[{"data":1,"prerenderedAt":1177},["ShallowReactive",2],{"products-navigation":3,"products-en-all":11,"page-\u002Fblog\u002Fsilver-electrode-6mhz":1141,"related-\u002Fblog\u002Fsilver-electrode-6mhz":1142},[4],{"title":5,"path":6,"children":7},"Products","\u002Fproducts",[8],{"title":5,"path":9,"children":10},"\u002Fproducts\u002Fproducts",[],[12,91,155,194,241,299,359,418,470,526,582,635,688,741,758,774,791,807,822,837,852,868,884,899,914,930,945,960,976,991,1006,1021,1036,1050,1066,1081,1096,1110,1124],{"id":13,"title":14,"body":15,"description":22,"extension":23,"meta":24,"navigation":85,"path":86,"seo":87,"stem":89,"__hash__":90},"products\u002Fen\u002Fproducts\u002FCustom Crystals\u002FCR5GE.md","CR5GE",{"type":16,"value":17,"toc":18},"minimark",[],{"title":19,"searchDepth":20,"depth":20,"links":21},"",2,[],"The CR5GE is a 5MHz custom fully-covered gold electrode crystal sensor designed for demanding process environments and extended storage requirements. Its core feature lies in the **Gold\u002FChromium (Au\u002FCr)** composite electrode structure, which leverages gold's excellent chemical inertness to completely eliminate oxidation and sulfidation reactions on the electrode surface, achieving true 'unlimited storage.' For the precise 12.42mm dimension, the CR5GE utilizes a high-quality quartz substrate paired with a unique 2-anchor electrode design (2-Anchor), precisely locking the center frequency at 5.001MHz. It is an outstanding choice for precision optical thin films, chemical vapor deposition (CVD), and customized research tasks with stringent oscillation stability requirements.","md",{"pid":25,"Part_No":14,"Type":26,"Nominal_Frequency":27,"Nominal_Frequency_Tolerance":28,"Center_Frequency":29,"Frequency_Tolerance":30,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":36,"Electrode_Appearance":37,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":40,"supcategory":41,"SubCategory":42,"molecule_img":43,"longtexttitle1":44,"longtextdescription1":45,"longtexttitle2":46,"longtextdescription2":47,"longtexttitle3":48,"longtextdescription3":49,"tabletitle":50,"faqs":51,"applications":70},"013","JJK Custom Fully-Covered Gold Electrode Quartz Crystal Sensor","5.000MHz","5MHz","5.001MHz","±6KHz@25°C","12.42mm ± 0.03mm","12mm","≤15Ω","AT-CUT","25°C ~ 75°C","Gold (Au) \u002F Chromium (Cr)","2-Anchor Electrode (2 anchors)","-20°C ~ +85°C","Relative Humidity 30~50%","Unlimited Storage","crystals","jjk","\u002Fimg\u002Fac6af14.webp","CR5GE 5MHz Fully-Covered Gold Custom Sensor: The Ultimate Solution for Chemical Stability","In certain specialized vacuum coating environments, the chemical stability of electrode materials directly determines monitoring success rates. The CR5GE employs high-purity gold electrodes, naturally resisting corrosive components in the atmosphere and residual process gases. Unlike silver electrodes, gold electrodes do not discolor or fail due to prolonged storage or environmental humidity fluctuations. The 5.001MHz slight positive offset center frequency design is a precisely calculated pre-compensation scheme designed to ensure that frequency response rapidly converges to the most stable linear resonance region upon initial heating and minimal film loading. For high-end users seeking 'on-demand use with consistent performance,' the CR5GE provides unparalleled assurance.","Gold-Chromium Composite Electrode Process: The Perfect Combination of Excellent Adhesion and Ultra-Low Impedance","The electrode preparation of the CR5GE is not a simple single-layer deposition. Instead, a nano-scale chromium (Cr) seed layer is first deposited through precision sputtering to enhance molecular-level adhesion between the gold and the quartz substrate, preventing electrode delamination during high-power electron beam evaporation. The outer fully-covered gold film provides ultra-low resonant resistance of ≤15Ω. The 2-anchor (2-Anchor) structure has been force-optimized for the 12.42mm substrate, not only ensuring robust signal transmission but also greatly improving the signal-to-noise ratio of the 5MHz low-frequency crystal in complex processes by reducing parasitic vibrations at the electrode edges.","Deeply Embedded in 12mm Precision Probe Systems, Adapting to High-End Equipment with Custom Precision","The CR5GE strictly adheres to the 12.42mm (±0.03mm) tolerance standard, perfectly fitting Japanese high-end equipment such as Shincron and Optorun, as well as domestic precision 12mm sensors. As a custom product, its AT-CUT process features dynamic frequency compensation optimization for the 25°C to 75°C temperature range, effectively counteracting thermal stress frequency drift caused by temperature rise. The 5MHz substrate, with its physical thickness advantage, demonstrates exceptional crack resistance. The unique surface energy of gold electrodes exhibits outstanding compatibility and data linearity when monitoring special materials such as organic evaporants, sulfides, or fluorides, making it the preferred choice for precision experiments and high-volume production tasks.","CR5GE Technical Specifications",[52,55,58,61,64,67],{"question":53,"answer":54},"Why is the center frequency of the CR5GE set at 5.001MHz rather than 5.000MHz?","This is a precise custom design. 5.001MHz is slightly higher than the nominal value, taking into account the initial load feedback of the gold\u002Fchromium electrode in high-vacuum environments. This minor positive offset ensures that when the crystal enters the working state (initial deposition), the frequency rapidly converges to the most stable linear region, providing a more accurate initial rate reference for subsequent film monitoring.",{"question":56,"answer":57},"What is the core advantage of gold (Au) electrodes compared to silver electrodes?","The core advantage is chemical inertness. Gold electrodes do not oxidize and do not react with sulfur in the environment. This not only means the CR5GE has unlimited storage life, but also means it maintains more stable contact resistance than silver electrodes when handling certain chemically active deposition materials or during stages with poorer vacuum conditions, preventing oscillation start-up failure.",{"question":59,"answer":60},"What role does the chromium (Cr) underlayer play in the electrode structure?","The direct adhesion between gold and quartz is relatively weak, making it prone to film delamination during high-power evaporation or thermal stress. Chromium (Cr), as an intermediate transition layer, forms strong chemical bonds with quartz while perfectly bonding with the gold layer, acting as a 'glue' that greatly enhances the durability of the crystal sensor in demanding environments.",{"question":62,"answer":63},"Does 'unlimited storage' mean no protection is required?","Although gold electrodes do not oxidize, we still recommend storage in a 30-50% humidity environment. This is primarily to protect the quartz substrate surface from contamination by organic volatiles in the environment. Unlimited storage means you don't need to worry about scrap due to electrode degradation, greatly reducing inventory risk.",{"question":65,"answer":66},"How does the 2-anchor (2-Anchor) electrode design assist with installation?","The 2-anchor electrode (also called dual-anchor) provides two symmetrical contact areas. This design not only disperses the mechanical stress of the probe spring contacts on the 12mm crystal, reducing frequency jumping caused by excessive pressure, but also provides redundant paths for signal transmission, ensuring electrical signals remain robust under complex vibration environments.",{"question":68,"answer":69},"What specific application areas is the CR5GE suitable for?","It is particularly suitable for: 1. Long-term uninterrupted research projects (no frequent crystal changes and low storage requirements); 2. High-value optical film monitoring (such as multi-layer narrow-band filters); 3. Organic material evaporation (OLED) or chemically reactive processes, as well as automated production lines with extremely high resistance stability requirements.",[71,76,80],{"title":72,"description":73,"image":74,"link":75},"Customized Quartz Monitoring Technology: The Unique Value of the CR5GE Gold Electrode Crystal","Exploring how the gold\u002Fchromium composite electrode solves electrode failure issues of traditional crystals under special chemical environments and ultra-long storage cycles.","https:\u002F\u002Fwww.jjk.cn\u002Fuploads\u002Fimage\u002F20250527\u002F1748327188576611.jpg","\u002Fblog\u002Fgold-electrode-advantage",{"title":77,"description":78,"image":74,"link":79},"Precision Maintenance of 12.42mm Probe Systems and Crystal Selection","Installation techniques for custom 2-anchor electrode crystals and how to utilize the ultra-low impedance of gold electrodes to optimize crystal controller settings.","\u002FQuartz-Monitor-Crystals-docs",{"title":81,"description":82,"image":83,"link":84},"The Technology Behind Unlimited Storage: Analysis of Gold-Chromium (Au\u002FCr) Thin Film Adhesion","Educational insight into the application of seed layers in quartz crystal processing and how the CR5GE maintains electrode integrity under high-temperature processes.","https:\u002F\u002Fwww.jjk.cn\u002Fuploads\u002Fimage\u002F20250529\u002F1748480088330595.jpg","\u002FQuartz-Monitor-Crystals-fault-diagnosis",true,"\u002Fen\u002Fproducts\u002Fcustom-crystals\u002Fcr5ge",{"keywords":88,"description":22},"CR5GE, gold electrode crystal, 5MHz monitor crystal, 12mm crystal, 12.42mm crystal sensor, fully-covered gold electrode, custom crystal sensor, 5.001MHz, unlimited storage, Au\u002FCr electrode, gold-chromium composite electrode, Optorun Shincron compatible crystal","en\u002Fproducts\u002FCustom Crystals\u002FCR5GE","xje97jIZJcWyae01C5x3VydRh-8uz7jHdMDTxSvLBMo",{"id":92,"title":93,"body":94,"description":98,"extension":23,"meta":99,"navigation":85,"path":150,"seo":151,"stem":153,"__hash__":154},"products\u002Fen\u002Fproducts\u002FGold Electrode Crystals\u002FAC5AD12.md","AC5AD12",{"type":16,"value":95,"toc":96},[],{"title":19,"searchDepth":20,"depth":20,"links":97},[],"This 5MHz, 12mm gold-electrode quartz crystal offers excellent long-term frequency stability, combining a lower base frequency with a standard footprint. Gold electrodes provide low contact resistance, high chemical stability, and ease of deposition, making them ideal for monitoring low-stress materials such as gold, silver, and copper. However, due to the relatively high rigidity of the gold electrode, film stress may be transferred to the quartz substrate. For this 5MHz configuration, users should remain mindful of this stress transmission during long-term or thick-film deposition to prevent potential frequency jumps and ensure monitoring reliability.",{"pid":100,"Part_No":93,"Type":101,"Nominal_Frequency":27,"Nominal_Frequency_Tolerance":28,"Center_Frequency":102,"Frequency_Tolerance":103,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":104,"Electrode_Appearance":105,"Storage_Temperature":38,"Storage_Humidity":106,"Storage_Life":107,"supcategory":41,"SubCategory":42,"molecule_img":108,"longtexttitle1":109,"longtextdescription1":110,"longtexttitle2":111,"longtextdescription2":112,"longtexttitle3":113,"longtextdescription3":114,"tabletitle":115,"faqs":116,"applications":138},"003","JJK 5MHz Gold Electrode Crystals","4.995MHz","±8KHz@25°C","Gold(Au) \u002F Chrome(Cr)","2 anchors","RH 30~50%","Unlimited storage life","\u002Fimg\u002Fac6ad14.webp","12mm-5MHz-Gold-Plated Precision Monitoring Crystal: Engineered for High-Durability Vacuum Coating Processes","The AC5AD12 is a 5MHz quartz crystal specifically designed for demanding vacuum coating applications requiring high mechanical robustness. Featuring a compact 12mm wafer diameter and a high-performance gold-plated electrode, this product utilizes the inherent chemical stability and ultra-low contact resistance of gold to ensure reliable monitoring for materials such as gold, silver, and copper. With its thicker quartz substrate compared to 6MHz models, the AC5AD12 offers superior durability and long-term stability, serving as a critical component for achieving consistent thickness monitoring in high-throughput production environments.","Process Advantages of Gold-Plated Electrodes","Superior Electrical Conductivity: The gold-plated electrode minimizes signal attenuation, ensuring precise data acquisition at the 5MHz resonant frequency—ideal for heavy-duty deposition processes that require stable, high-sensitivity feedback. Excellent Chemical Stability: As a noble metal coating, the gold electrode effectively resists oxidation and environmental corrosion, maintaining a stable resonance resistance (≤15Ω) even after multiple evaporation cycles, thereby preventing invalid frequency jumps. Optimized Stress Management: Through our proprietary electrode anchor design (2 anchors), the AC5AD12 optimizes stress transfer efficiency onto the quartz substrate, significantly mitigating film stress jitter during long-term monitoring and substantially enhancing the reliability of complex OLED and semiconductor coating processes.","Why Choose the 5MHz 12mm Series?","The 5MHz frequency configuration provides a thicker quartz base, achieving an ideal balance between mechanical strength and extended crystal lifespan, making it the preferred choice for high-reliability applications. Its 12mm diameter design ensures broad compatibility with mainstream single\u002Fdual sensor head monitors available on the market (such as standard Optorun models). Whether for heavy-duty semiconductor interconnect metallization, long-duration optical coating, or precision research growth monitoring, the AC5AD12 provides consistent, high-endurance monitoring performance from start to finish.","Product Specifications",[117,120,123,126,129,132,135],{"question":118,"answer":119},"Does this 12mm crystal work with Japanese thin-film deposition systems like Optorun??","Yes, the AC5AD12 is specifically engineered to be compatible with standard 12mm sensor heads widely used in Japanese vacuum coating systems, including those manufactured by Optorun, Shincron, and ULVAC",{"question":121,"answer":122},"What are the advantages of gold electrodes over silver electrodes?","Gold electrodes offer superior chemical stability and lower contact resistance. They are particularly resistant to oxidation in complex vacuum environments, ensuring more reliable performance and a longer operational lifespan than silver electrodes in high-precision monitoring tasks.",{"question":124,"answer":125},"What is the difference between 5MHz and 6MHz crystals in application?","The 5MHz crystal features a thicker quartz substrate, which provides higher mechanical strength and better durability during long-duration, high-thickness deposition processes. While 6MHz offers higher sensitivity for thinner films, 5MHz is favored in industrial applications where crystal longevity and robustness against stress are prioritized.",{"question":127,"answer":128},"Why is a gold electrode preferred when monitoring gold, silver, or copper?","Gold electrodes provide exceptional chemical inertness, which is crucial for preventing oxidation during long-term monitoring cycles. Furthermore, their extremely low resistance ensures a high signal-to-noise ratio at the 5MHz resonant frequency, effectively minimizing frequency drift and measurement errors caused by electrode degradation.",{"question":130,"answer":131},"How can I prevent crystal 'activity dips' or frequency jumps during installation?","Always wear anti-static gloves during handling to prevent contamination. Ensure the crystal is centered correctly within the 12mm sensor head housing. If frequency jumps occur, check for proper electrical contact and verify that the sensor head spring clips are not applying uneven pressure. If the deposited film reaches the maximum recommended thickness, the crystal should be replaced to maintain monitoring accuracy.",{"question":133,"answer":134},"How is the storage life of this crystal defined?","The AC5AD12 crystal features a highly stable design with an unlimited theoretical shelf life. However, for optimal performance, we recommend storage in a clean, dry environment with 30-50% RH. Keep the crystals in their original anti-static packaging until use to protect the electrode surface from airborne organic contaminants.",{"question":136,"answer":137},"Can this crystal withstand high-temperature evaporation processes?","The AC5AD12 is designed for stable operation within 25°C to 75°C. In high-heat evaporation environments, we highly recommend the use of a water-cooled sensor head to manage radiant heat. Maintaining the crystal within its optimal temperature range is essential to prevent frequency distortion caused by thermal expansion of the quartz substrate.",[139,144,147],{"title":140,"description":141,"image":142,"link":143},"Vacuum Coating Monitoring","Suitable for PVD physical vapor deposition processes, providing real-time and precise monitoring of growth rate and thickness of metal thin films such as gold, silver, and copper.","https:\u002F\u002Fwww.inficon.com\u002Fuploads\u002Fmedia\u002F712x474\u002F03\u002F1273-Vacuum_Coating-Navi_2.webp?v=2-0","\u002Fpvd",{"title":145,"description":146,"image":74,"link":79},"How to Use Quartz Monitor Crystals","The gold-plated electrode possesses excellent biocompatibility and can be used for performance analysis and sensor monitoring of micro- and nanoscale bio-thin films at the laboratory level.",{"title":148,"description":149,"image":83,"link":84},"Fault Diagnosis","Decoding the physical causes behind signal loss in quartz crystals.","\u002Fen\u002Fproducts\u002Fgold-electrode-crystals\u002Fac5ad12",{"keywords":152,"description":98},"AC5AD12, 5MHz quartz crystal, 12mm monitor crystal, gold electrode crystal, Optorun compatible crystal, vacuum deposition monitoring, PVD sensor crystal, 12mm wafer diameter, 5MHz Au\u002FCr electrode, thin film thickness monitor, high durability crystal, Shincron compatible, ULVAC compatible, 2-anchor electrode, quartz crystal microbalance","en\u002Fproducts\u002FGold Electrode Crystals\u002FAC5AD12","7iEeJBUb7549DhNYUCDJBQQ-kl9ewQA3X8vCjuaH4Kc",{"id":156,"title":157,"body":158,"description":162,"extension":23,"meta":163,"navigation":85,"path":189,"seo":190,"stem":192,"__hash__":193},"products\u002Fen\u002Fproducts\u002FGold Electrode Crystals\u002FAC5AF12.md","AC5AF12",{"type":16,"value":159,"toc":160},[],{"title":19,"searchDepth":20,"depth":20,"links":161},[],"This product features a dual-sided electrode structure, achieving exceptional symmetry in charge distribution. For this 5MHz crystal, the design acts as a 'stabilizer' that leverages the mechanical resilience of its thicker quartz substrate. By ensuring uniform stress distribution even under high-stress film deposition, it effectively eliminates measurement jumps during monitoring and significantly enhances the robustness and reliability of the entire thin-film deposition system.",{"pid":164,"Part_No":157,"Type":165,"Nominal_Frequency":27,"Nominal_Frequency_Tolerance":28,"Center_Frequency":102,"Frequency_Tolerance":103,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":104,"Electrode_Appearance":166,"Storage_Temperature":38,"Storage_Humidity":106,"Storage_Life":107,"supcategory":41,"SubCategory":42,"molecule_img":43,"longtexttitle1":109,"longtextdescription1":110,"longtexttitle2":111,"longtextdescription2":112,"longtexttitle3":167,"longtextdescription3":168,"longtexttitle4":113,"longtextdescription4":169,"tabletitle":115,"faqs":170,"applications":185},"004","JJK 5MHz Full-Plating Gold Electrode Crystal","Full coated","Advanced Dual-Sided Electrode Architecture","This product features a dual-sided electrode structure, achieving exceptional symmetry in charge distribution. For the 5MHz AC5AD12, this design acts as a 'stabilizer' that leverages the mechanical resilience of the thicker quartz substrate. By ensuring uniform stress distribution even under high-stress film deposition, it effectively eliminates measurement jumps during monitoring and significantly enhances the robustness and reliability of the entire thin-film deposition system.","The 5MHz frequency configuration provides a thicker quartz base, achieving an ideal balance between mechanical strength and extended crystal lifespan, making it the preferred choice for high-reliability applications. Its 12mm diameter design ensures broad compatibility with mainstream single\u002Fdual sensor head monitors available on the market (such as standard INFICON models). Whether for heavy-duty semiconductor interconnect metallization, long-duration optical coating, or precision research growth monitoring, the AC5AD12 provides consistent, high-endurance monitoring performance from start to finish.",[171,174,175,176,177,180,181,183],{"question":172,"answer":173},"Is this crystal compatible with INFICON monitoring instruments?","Yes, the AC5AF12 is designed for full compatibility with standard 12mm sensor heads, including those from INFICON and other major industry-standard monitoring systems.",{"question":121,"answer":122},{"question":124,"answer":125},{"question":127,"answer":128},{"question":178,"answer":179},"How does the dual-sided electrode design improve monitoring stability?","The dual-sided electrode structure achieves exceptional charge distribution symmetry. This design acts as a 'stabilizer' that leverages the mechanical resilience of the 5MHz quartz substrate to ensure uniform stress distribution, effectively eliminating measurement jumps during high-stress film deposition.",{"question":130,"answer":131},{"question":133,"answer":182},"The AC5AF12 crystal features a highly stable design with an unlimited theoretical shelf life. However, for optimal performance, we recommend storage in a clean, dry environment with 30-50% RH. Keep the crystals in their original anti-static packaging until use to protect the electrode surface from airborne organic contaminants.",{"question":136,"answer":184},"The AC5AF12 is designed for stable operation within 25°C to 75°C. In high-heat evaporation environments, we highly recommend the use of a water-cooled sensor head to manage radiant heat. Maintaining the crystal within its optimal temperature range is essential to prevent frequency distortion caused by thermal expansion of the quartz substrate.",[186,187,188],{"title":140,"description":141,"image":142,"link":143},{"title":145,"description":146,"image":74,"link":79},{"title":148,"description":149,"image":83,"link":84},"\u002Fen\u002Fproducts\u002Fgold-electrode-crystals\u002Fac5af12",{"keywords":191,"description":162},"AC5AF12, 5MHz full-plating gold electrode crystal, 12mm full-coated quartz crystal, INFICON compatible monitor crystal, vacuum deposition monitoring, PVD sensor wafer, dual-sided electrode crystal, high-stress thin film monitoring, thick-film deposition, eliminate measurement jumps, 5MHz 12mm quartz crystal, semiconductor metallization, OLED evaporation crystal, QCM sensor crystal, high-durability coating sensor","en\u002Fproducts\u002FGold Electrode Crystals\u002FAC5AF12","LwTNbK2eXUyNso_w-m7RaCgpgApSfQKn5eNxvQx-veY",{"id":195,"title":196,"body":197,"description":201,"extension":23,"meta":202,"navigation":85,"path":236,"seo":237,"stem":239,"__hash__":240},"products\u002Fen\u002Fproducts\u002FGold Electrode Crystals\u002FAC6AD14.md","AC6AD14",{"type":16,"value":198,"toc":199},[],{"title":19,"searchDepth":20,"depth":20,"links":200},[],"Gold electrodes offer low contact resistance, high chemical stability, and ease of deposition, making them suitable for thickness monitoring of low-stress materials such as gold, silver, and copper. However, due to their relatively high rigidity, gold electrodes tend to transfer film stress to the quartz substrate, which may cause frequency jumps and compromise monitoring stability.",{"pid":203,"Part_No":196,"Type":204,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":207,"Frequency_Tolerance":208,"Wafer_Diameter":209,"Wafer_Diameter_Tolerance":210,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":104,"Electrode_Appearance":105,"Storage_Temperature":38,"Storage_Humidity":106,"Storage_Life":107,"supcategory":41,"SubCategory":42,"molecule_img":108,"longtexttitle1":211,"longtextdescription1":212,"longtexttitle2":111,"longtextdescription2":213,"longtexttitle3":214,"longtextdescription3":215,"tabletitle":115,"faqs":216,"applications":232},"001","JJK 6MHz Gold Electrode Crystals","6.000MHz","6MHz","5.987MHz","±7KHz@25°C","13.97mm ± 0.02mm","14mm","14mm-6MHz-Gold-Plated Precision Monitoring Crystal: Engineered for High-Standard Vacuum Coating Processes","The AC6AD14 is a 6MHz quartz crystal specifically designed for high-precision vacuum coating processes. Featuring an industry-standard 14mm wafer diameter and a high-performance gold-plated electrode, this product leverages the exceptional chemical stability and ultra-low contact resistance of the gold layer, making it the preferred solution for monitoring the deposition of gold, silver, copper, and other precious metals. Compared to standard crystals, the AC6AD14 delivers outstanding frequency performance during extended high-frequency operations, serving as your critical assurance for achieving high-accuracy thickness monitoring.","Superior Electrical Conductivity: The gold-plated electrode minimizes signal attenuation, ensuring high data acquisition sensitivity at the 6MHz resonant frequency—particularly essential for precision processes highly sensitive to deposition rate fluctuations. Excellent Chemical Stability: As a noble metal coating, the gold electrode effectively resists oxidation and environmental corrosion, maintaining a stable resonance resistance (≤15Ω) even after multiple evaporation cycles, thereby preventing invalid frequency jumps. Optimized Stress Management: Through our proprietary electrode anchor design (2 anchors), the AC6AD14 optimizes stress transfer efficiency onto the quartz substrate, significantly mitigating film stress jitter during long-term monitoring and substantially enhancing the reliability of OLED and semiconductor coating processes.","Why Choose the 6MHz 14mm Series?","The 6MHz frequency configuration achieves a perfect balance between sensitivity and crystal lifespan. Its 14mm diameter design is widely compatible with mainstream single\u002Fdual sensor head monitors available on the market (such as standard INFICON models). Whether for semiconductor metal interconnect layer processes, precision optical coating, or micro\u002Fnanoscale research growth monitoring, the AC6AD14 provides consistent monitoring performance from start to finish.",[217,219,221,224,226,228,230],{"question":172,"answer":218},"Yes, the AC6AD14 is designed for full compatibility with standard 14mm sensor heads, including those from INFICON and other major brands.",{"question":121,"answer":220},"Gold electrodes offer superior chemical stability and lower contact resistance, making them ideal for long-term, high-frequency monitoring applications.",{"question":222,"answer":223},"What is the difference between 6MHz, 5MHz, and 10MHz crystals in application?","6MHz is the industry-standard frequency that provides an optimal balance between sensitivity and service life. Compared to 5MHz, it offers higher thickness resolution; compared to 10MHz, it provides greater stability during thick film deposition and is less prone to crystal activity dips, making it well-suited for most metal thin-film monitoring.",{"question":127,"answer":225},"Gold electrodes provide exceptional chemical inertness, effectively preventing oxidation during long-term monitoring. Furthermore, their extremely low resistance ensures a high signal-to-noise ratio at the 6MHz resonant frequency, minimizing frequency drift caused by electrode degradation.",{"question":130,"answer":227},"Always wear anti-static gloves during installation to prevent oil contamination on the electrode surface. Ensure the two anchors are correctly aligned within the sensor head slots. If frequent frequency jumping occurs, it is usually due to poor contact or excessive film stress; please check the installation tension or replace the crystal if the deposited film is too thick.",{"question":133,"answer":229},"The AC6AD14 crystal features a highly stable design with an unlimited theoretical shelf life. However, for optimal performance, we recommend storage in a dry environment with 30-50% RH. Since the electrode surface is sensitive to organic contaminants, always keep it in its original vacuum or anti-static packaging and avoid exposure to volatile organic compounds before use.",{"question":136,"answer":231},"The operating temperature range for this model is 25°C to 75°C. In vacuum coating, the primary challenge is radiant heat. If your evaporation source generates intense heat, we recommend utilizing a water-cooled sensor head to ensure the crystal remains within its optimal operating range, thereby preventing frequency distortion due to thermal expansion.",[233,234,235],{"title":140,"description":141,"image":142,"link":143},{"title":145,"description":146,"image":74,"link":79},{"title":148,"description":149,"image":83,"link":84},"\u002Fen\u002Fproducts\u002Fgold-electrode-crystals\u002Fac6ad14",{"keywords":238,"description":201},"AC6AD14, 6MHz gold plated crystal, 14mm quartz crystal, INFICON compatible, PVD monitor crystal, vacuum deposition, quartz crystal microbalance, thin film sensor, gold electrode crystal","en\u002Fproducts\u002FGold Electrode Crystals\u002FAC6AD14","FcrAavh1pTMB8irW9IX6aFDoJhbUsn6VApRIM_shgk4",{"id":242,"title":243,"body":244,"description":248,"extension":23,"meta":249,"navigation":85,"path":292,"seo":293,"stem":297,"__hash__":298},"products\u002Fen\u002Fproducts\u002FGold Electrode Crystals\u002FAC6AF14.md","AC6AF14",{"type":16,"value":245,"toc":246},[],{"title":19,"searchDepth":20,"depth":20,"links":247},[],"This product features a dual-side electrode structure that achieves excellent charge distribution symmetry. It acts like a 'stabilizer' for the crystal—even under high-stress film deposition, it evenly distributes stress, completely eliminating sudden reading jumps during monitoring and enhancing system robustness.",{"pid":250,"Part_No":243,"Type":251,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":252,"Frequency_Tolerance":103,"Wafer_Diameter":253,"Wafer_Diameter_Tolerance":210,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":254,"Electrode_Appearance":255,"Storage_Temperature":38,"Storage_Humidity":106,"Storage_Life":107,"supcategory":41,"SubCategory":42,"molecule_img":43,"longtexttitle1":256,"longtextdescription1":257,"longtexttitle2":258,"longtextdescription2":259,"longtexttitle3":260,"longtextdescription3":261,"tabletitle":115,"faqs":262,"applications":284},"002","JJK 6MHz Full-Plating Gold Electrode Crystal","5.990MHz","13.97mm ± 0.03mm","Gold \u002F Chrome","Dual-Side (Full-Plating Electrode)","Full-Plating Electrode: The Efficiency Solution for High-Throughput Scenarios","Full-plating electrode crystals adopt a dual-side full-coverage design that requires no specific orientation during installation, bringing tremendous convenience to continuous, high-volume production environments. While this design may slightly shorten the overall crystal lifespan and may produce minor oscillation mode coupling in later operation stages, its unique non-directional installation characteristic greatly improves crystal replacement efficiency in industrial production, making it a pragmatic choice for scenarios pursuing rapid deployment and high-throughput output.","Process Advantages of Dual-Side Electrodes","Exceptional Electrical Symmetry: The dual-side electrode architecture balances stress loads on both sides of the substrate, greatly reducing signal drift during monitoring and ensuring highly linear output at the 6MHz frequency. Enhanced Stress Relief Capability: Thanks to the dual-side coverage structure, this product effectively suppresses stress transfer from film growth to the quartz substrate, thereby avoiding common frequency jump phenomena during long-duration operations and substantially improving system robustness. Extremely Robust Monitoring: Even in demanding continuous evaporation environments, the dual-side design maintains exceptionally high activity, reducing 'Activity Dips' during monitoring and providing reliable assurance for production efficiency under complex processes.","Why Choose the Dual-Side 6MHz 14mm Series?","The dual-side electrode architecture maintains the standard 14mm size while solving the industry chronic problem of 'inaccurate readings' in high-stress film monitoring through structural upgrades. Its symmetrical electrical characteristics enable this crystal to demonstrate monitoring consistency far exceeding traditional single-side electrodes when dealing with ceramic materials, refractory metals, and high-density compound coatings. Whether in complex semiconductor coating processes or cutting-edge scientific thin-film research, choosing the dual-side series means choosing a stable monitoring solution capable of confidently handling complex process variables.",[263,266,269,272,275,278,281],{"question":264,"answer":265},"Are there any special installation requirements for full-plating electrode crystals?","One major advantage of full-plating electrode crystals is 'non-directional installation'—meaning no front\u002Fback distinction is needed during installation, greatly simplifying the replacement procedure. However, please note that due to the dual-side full-coverage structure, in extremely high-stress deposition environments, ensure the sensor head clip contact points are flat. If frequency instability occurs due to excessive film stress, appropriately reduce the deposition rate to leverage the full-plating structure's stress transfer mitigation effect.",{"question":267,"answer":268},"Is there a lifespan difference between full-plating and dual-anchor electrodes?","Since full-plating electrodes have metal coverage on both sides of the substrate, in certain high-stress film processes, they may indeed experience frequency drift or mode coupling slightly sooner than single-side electrodes. Therefore, they are primarily designed for applications pursuing high output efficiency and rapid crystal replacement. If you have extremely high requirements for single-crystal lifespan, we recommend evaluating process stress and comparing with our dual-anchor precision series.",{"question":270,"answer":271},"Does using full-plating electrodes require adjusting my monitoring instrument parameters?","Typically no instrument setting changes are required. However, since the full-plating structure alters the crystal's initial resonance parameters, we recommend performing a zeroing calibration after replacing with a full-plating crystal to ensure precise locking of the instrument to the new crystal's initial resonance frequency.",{"question":273,"answer":274},"How do I determine if my current process is better suited for full-plating electrodes?","If your current process characteristics include: high crystal replacement frequency, pursuit of extremely high production operation efficiency, or monitoring of high internal-stress compound films, full-plating electrodes are your first choice. If you are conducting laboratory-grade ultra-precision thickness research with extreme pursuit of single-crystal lifespan, we recommend prioritizing our dual-anchor precision series.",{"question":276,"answer":277},"How can I avoid crystal 'oscillation stop' or data jumps during installation?","First, always wear anti-static gloves during installation to avoid finger grease contamination on the electrode surface. Second, ensure the 2 anchors are correctly aligned with the sensor head slots. If frequent frequency jumps occur, this is usually due to poor installation contact or excessive substrate stress. Check installation tightness or replace the crystal promptly when the film layer becomes too thick.",{"question":279,"answer":280},"How is the storage lifespan of this crystal defined?","The AC6AF14 crystal itself has stable material properties and is officially labeled with unlimited storage life. However, to ensure optimal performance, we recommend storing it in a dry environment of RH 30~50%. Since the electrode surface is sensitive to organic contaminants, please keep it in the original factory vacuum or anti-static packaging and avoid contact with volatile organic compounds in the air before use.",{"question":282,"answer":283},"Why are full-plating electrodes more robust when handling high-stress films?","Full-plating electrodes form pressure balance on both sides of the quartz substrate through dual-side metal layers, more effectively dispersing internal stress generated during film deposition. This design significantly alleviates the squeezing effect of film stress on the crystal's central resonance region, thereby reducing reading fluctuations during high-stress film accumulation.",[285,287,290],{"title":140,"description":286,"image":142,"link":143},"Suitable for PVD physical vapor deposition processes, providing real-time precise monitoring of metal film growth rates and thickness for gold, silver, copper, and other metals.",{"title":288,"description":289,"image":74,"link":79},"How to Properly Use Crystal Sensors","Gold-plated electrodes possess excellent biocompatibility and can be used for laboratory-grade micro\u002Fnano biofilm performance analysis and sensing monitoring.",{"title":148,"description":291,"image":83,"link":84},"Decoding the physical causes behind crystal sensor signal failure.","\u002Fen\u002Fproducts\u002Fgold-electrode-crystals\u002Fac6af14",{"title":294,"description":295,"keywords":296},"AC6AF14 - 6MHz 14mm Full-Plating Gold Electrode Crystal","The AC6AF14 full-plating gold electrode crystal features a dual-side full-coverage electrode design with non-directional installation, optimized for high-throughput vacuum coating scenarios. Standard 6MHz 14mm size, compatible with INFICON and other mainstream monitors, suitable for semiconductor, optical coating, and high-stress film monitoring.","AC6AF14, 6MHz, 14mm, Full-Plating Gold Electrode, Crystal Sensor, Vacuum Coating, High-Stress Film, Gold Electrode, Full-Plating Electrode, Non-Directional Installation, Coating Monitor Crystal","en\u002Fproducts\u002FGold Electrode Crystals\u002FAC6AF14","wevjtsCfZWSDr7UrP6_JFyFbTPYGeeVczo9NX6hehWA",{"id":300,"title":301,"body":302,"description":306,"extension":23,"meta":307,"navigation":85,"path":354,"seo":355,"stem":357,"__hash__":358},"products\u002Fen\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA5AD12.md","SA5AD12",{"type":16,"value":303,"toc":304},[],{"title":19,"searchDepth":20,"depth":20,"links":305},[],"SA5AD12 is a high-performance 5MHz quartz monitor crystal designed specifically for **long-cycle and high-load deposition tasks**. Its core advantage lies in the unique **Silver\u002FAluminum (Ag\u002FAl) alloy electrode** structure, which inherits the exceptional oscillation sensitivity of silver while utilizing aluminum's chemical inertness to effectively suppress oxidation and sulfuration in both atmospheric and vacuum residual gases. For the precise 12.42mm specification, we employ a high Q-value AT-cut process combined with a **2-Anchor** electrode design, ensuring superior frequency stability and a broader mass-load tolerance at the lower 5MHz base frequency. It is an ideal high-cost-performance benchmark for balancing measurement precision and service life in thick-film optical coating and metallization processes.",{"pid":308,"Part_No":301,"Type":309,"Nominal_Frequency":27,"Nominal_Frequency_Tolerance":28,"Center_Frequency":310,"Frequency_Tolerance":208,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":311,"Electrode_Appearance":105,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":312,"supcategory":41,"SubCategory":42,"molecule_img":313,"longtexttitle1":314,"longtextdescription1":315,"longtexttitle2":316,"longtextdescription2":317,"longtexttitle3":318,"longtextdescription3":319,"tabletitle":320,"faqs":321,"applications":343},"008","JJK 5MHz-12MM-Dual Anchor Silver\u002FAluminum Alloy Monitor Crystal","4.977MHz","Silver\u002FAluminum (Ag\u002FAl)","6 Months","\u002Fimg\u002Fsa6ad14.webp","SA5AD12 5MHz Dual-Anchor Alloy Crystal: A Reliable Solution for Thick-Film High-Precision Monitoring","In precision coating processes, 5MHz crystals offer significantly higher mass-load capacity than 6MHz variants. The SA5AD12 leverages this physical property with a 12.42mm precision diameter, tailored for PVD processes requiring long-term continuous monitoring. The 5.000MHz nominal frequency combined with the 4.977MHz scientifically designed center frequency reserves ample linear workspace for subsequent film deposition. The dual-anchor electrode structure further optimizes the mechanical contact force distribution between the 12mm crystal and sensor probe clips, effectively resolving signal noise issues often caused by small contact areas.","Dual-Anchor Electrode Technology: Perfect Balance Between Conductivity and Oxidation Resistance","The electrode layer of SA5AD12 is not a simple metal stack but a Silver\u002FAluminum alloy formed through precision sputtering. Silver's high conductivity ensures an ultra-low resonance resistance (≤15Ω) for rapid and stable oscillation even under low power; meanwhile, aluminum atoms form a dense passivation layer on the electrode surface, significantly enhancing corrosion resistance during storage and use. The '2-Anchor' design provides redundant signal paths, ensuring stable ohmic contact even if probe holders undergo thermal deformation over time, thereby reducing the risk of frequency hopping.","Optimized for 12mm Precision Systems: Improving Yield with Superior Thermo-Mechanical Stability","Strictly adhering to the 12.42mm (±0.03mm) industrial tolerance, SA5AD12 perfectly matches Shincron, Optorun, and other Japanese or domestic high-precision 12mm sensor probes. Its AT-CUT angle is strictly tuned for thermal drift compensation, effectively offsetting frequency drift within the typical 25°C to 75°C coating temperature range. The low stress sensitivity of the 5MHz frequency, combined with the optimized surface energy of the alloy, significantly improves adhesion between the film and the crystal. This comprehensive performance boost directly reduces unexpected 'Crystal Fail' rates, saving customers high material and time costs.","SA5AD12 Technical Specifications",[322,325,328,331,334,337,340],{"question":323,"answer":324},"Why does SA5AD12 use Silver\u002FAluminum (Ag\u002FAl) instead of pure silver electrodes?","Pure silver electrodes have excellent conductivity but tarnish easily in humid or sulfur-containing air and can migrate under vacuum. The Ag\u002FAl alloy in SA5AD12 maintains low impedance while utilizing aluminum's oxidation resistance to form self-protection, extending shelf life and preventing signal interruptions caused by electrode oxidation during high-temperature coating.",{"question":326,"answer":327},"What are the specific advantages of 5MHz over 6MHz in a 12mm probe system?","5MHz crystals have a thicker quartz substrate, providing higher physical strength and a smaller frequency shift per unit of film thickness due to the lower base frequency. This means that for thick film deposition (such as fluorides or sulfides), SA5AD12 supports longer monitoring times before reaching the failure point, making it the preferred choice for 'long-life' processes.",{"question":329,"answer":330},"What is the design purpose of the 4.977MHz center frequency?","This is a pre-compensation design for thick electrode processes. The Ag\u002FAl alloy electrodes have mass that shifts the quartz substrate's frequency downward. Setting the center frequency at 4.977MHz ensures the crystal starts in its most stable linear resonance zone (Q-value) upon installation. Users simply set the controller to 5.000MHz, and the system captures the frequency for a smoother initial rate curve.",{"question":332,"answer":333},"Does the '2-Anchor' electrode have specific installation direction requirements?","The dual-anchor design provides two symmetrical contact areas, increasing installation flexibility. Compared to single-sided or fully covered electrodes, dual anchors better guide stress release and reduce physical deformation under the pressure of the probe's tightening nut. Ensure the probe leaf spring presses on either anchor area to achieve ultra-low contact resistance.",{"question":335,"answer":336},"How does SA5AD12 perform with high-stress films (e.g., certain oxides)?","5MHz AT-cut crystals are inherently less sensitive to stress. Additionally, the Ag\u002FAl alloy layer possesses a certain degree of plasticity, acting as a buffer to absorb mechanical stress from the film. This prevents peeling or cracking of the film on the crystal surface, thereby suppressing 'Mode Hopping' common in late-stage deposition.",{"question":338,"answer":339},"How to ensure SA5AD12 maintains performance during the 6-month storage period?","While the alloy electrode is oxidation-resistant, we use vacuum aluminum foil packaging. It is recommended to store crystals in a dry cabinet (humidity \u003C40%). Since 5MHz crystals are sensitive to environmental mass-loading, avoid touching the electrode surface directly with hands after opening to prevent oily residues from increasing the R1 resistance.",{"question":341,"answer":342},"Does this model support all 12mm Japanese-style coating machines?","Yes. The 12.42mm diameter of SA5AD12 is specifically designed to fit 12mm sensors from equipment such as Shincron and Optorun. It can directly replace original 5MHz 12mm crystals in these machines, often providing superior electrode durability.",[344,348,351],{"title":345,"description":346,"image":74,"link":347},"Tool for Thick Film Deposition: The Unique Role of 5MHz Crystals in Optical Coating","In-depth analysis of why 5MHz specifications offer longer life and lower failure rates than 6MHz in long-cycle, heavy-load processes.","\u002Fblog\u002F5mhz-advantage",{"title":349,"description":350,"image":74,"link":79},"Installation and Maintenance Guide for 12mm Dual-Anchor Electrodes","Correct handling for 12.42mm narrow-margin crystals and how to extend life by optimizing contact pressure.",{"title":352,"description":353,"image":83,"link":84},"Troubleshooting: How to Solve High R1 Resistance in Monitor Crystals?","Analyzing the low-resistance advantages of Ag\u002FAl electrodes and providing signal stability solutions for 12mm systems.","\u002Fen\u002Fproducts\u002Fsilver-aluminum-alloy-crystals\u002Fsa5ad12",{"keywords":356,"description":306},"SA5AD12, 5MHz crystal, 12mm monitor crystal, 12.42mm quartz, dual anchor electrode, silver aluminum alloy, Ag\u002FAl crystal, Shincron compatible, Optorun crystal, thick film monitoring, PVD accessories, 4.977MHz","en\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA5AD12","Cl_Gj8ZyI_-0VssE5mtc7-B0PqMyfb2YRexpzJxub8c",{"id":360,"title":361,"body":362,"description":366,"extension":23,"meta":367,"navigation":85,"path":413,"seo":414,"stem":416,"__hash__":417},"products\u002Fen\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA6AD12.md","SA6AD12",{"type":16,"value":363,"toc":364},[],{"title":19,"searchDepth":20,"depth":20,"links":365},[],"The SA6AD12 is a high-performance 6MHz AT-CUT quartz crystal sensor with a diameter of 12.42mm, specifically designed for precision thin-film deposition monitoring systems. This model features an advanced **dual-anchor silver-aluminum alloy electrode (2-Anchor Ag\u002FAl)** process, perfectly combining silver's excellent conductivity with aluminum's chemical stability. Compared to traditional single-sided or full-cover electrodes, the SA6AD12's dual-anchor structure provides more secure electrical contact points, and its highly oxidation-resistant alloy layer effectively withstands ion bombardment in high-vacuum environments. Its ultra-low resonant resistance of ≤15Ω ensures that the sensor maintains extremely high oscillation sensitivity even under heavy loads, making it an ideal choice for precision optical coating and semiconductor process monitoring where cost-effectiveness and stability are paramount.",{"pid":368,"Part_No":361,"Type":369,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":370,"Frequency_Tolerance":103,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":371,"Electrode_Appearance":372,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":313,"longtexttitle1":374,"longtextdescription1":375,"longtexttitle2":376,"longtextdescription2":377,"longtexttitle3":378,"longtextdescription3":379,"tabletitle":115,"faqs":380,"applications":402},"007","JJK 6MHz-12MM-Dual-Anchor Silver-Aluminum Alloy Crystal Sensor","5.988MHz","Silver\u002FAluminum","Dual-Anchor Electrode 2 anchors","6 months","SA6AD12 Dual-Anchor Silver-Aluminum Alloy Crystal Sensor: A Reliable 12mm High-Precision Coating Monitoring Solution","The SA6AD12 is an industrial-grade 6MHz monitoring crystal sensor, manufactured with a 12.42mm standard AT-CUT quartz substrate, specifically developed for PVD deposition processes compatible with 12mm sensor probes. The core advantage of this model lies in its 'dual-anchor' (2-Anchor) silver-aluminum alloy electrode design, which optimizes electrode-to-contact-spring matching while ensuring efficient signal transmission. With a center frequency of 5.988MHz and stringent tolerance control of ±8KHz, it delivers longer service life and more accurate rate feedback than conventional crystal sensors in complex multi-layer film deposition processes.","Dual-Anchor Electrode Technology: Balancing Electrical Contact Stability and Corrosion Resistance","The SA6AD12 employs an innovative silver-aluminum alloy electrode solution, specifically optimized to address the contact reliability issues that traditional electrodes often encounter in compact 12mm probes. The silver content ensures extremely low resonant resistance (≤15Ω), allowing the crystal to oscillate easily even under high-load conditions; the addition of aluminum forms a dense protective film on the electrode surface, significantly enhancing oxidation and aging resistance in high-vacuum environments. The 'dual-anchor' design not only ensures electrical connection redundancy but also reduces mechanical stress on the crystal's central area through optimized electrode distribution, thereby minimizing frequency shifts during the coating process.","Strict Physical Tolerances and Broad Equipment Compatibility","With its precise diameter control of 12.42mm (±0.03mm) and AT-CUT fabrication process, the SA6AD12 demonstrates excellent frequency-temperature stability over its typical operating range of 25°C to 75°C. Its 6MHz fundamental frequency configuration strikes an ideal balance between measurement sensitivity and film-loading capacity. With a storage life of up to 6 months and strict humidity control standards, it is an ideal choice for various high-value thin-film monitoring applications. Whether paired with imported or domestic 12mm crystal-control systems, the SA6AD12 consistently improves production yield through its combined advantages of low impedance, corrosion resistance, and signal stability.",[381,384,387,390,393,396,399],{"question":382,"answer":383},"What are the specific advantages of the SA6AD12's 'dual-anchor (2-Anchor)' electrode design?","The dual-anchor electrode design enhances mechanical engagement stability between the electrode and the probe spring by providing two specific contact anchor points at the edge of the quartz disc. This is particularly important for the smaller 12mm crystal sensor, as it effectively prevents signal flickering caused by probe aging or weakened spring tension, while also providing dual signal paths to reduce contact resistance.",{"question":385,"answer":386},"Why is the diameter of this model specified as 12.42mm rather than the standard 12.00mm?","12.42mm is the standard precision tolerance dimension (corresponding to 0.489 inches) for industrial-grade 12mm sensors. This specification is specifically designed to fit certain older models from Shincron, Optorun, and specific high-precision laboratory sensor probes, ensuring minimal radial clearance after installation to prevent displacement during vibration.",{"question":388,"answer":389},"How compatible is the 5.988MHz center frequency with 6MHz systems?","The SA6AD12 is fully compatible with all 6MHz crystal controllers. The 5.988MHz initial frequency is pre-compensated to account for the initial mass-loading effect after installation. This allows the crystal sensor to operate in the most linear response range when coating actually begins, thereby providing longer monitoring life and lower initial noise compared to standard 6.000MHz nominal crystal sensors.",{"question":391,"answer":392},"How does the silver-aluminum (Ag\u002FAl) electrode perform in terms of stress resistance?","The silver-aluminum alloy electrode combines silver's flexibility with aluminum's hardness. When depositing high-stress films (such as fluorides or certain metal oxides), this alloy layer offers more buffering capacity than pure gold electrodes, effectively absorbing tensile or compressive stresses from the film and preventing delamination (peeling) between the electrode layer and the quartz substrate, thus suppressing 'frequency jumping' phenomena.",{"question":394,"answer":395},"What direct production benefits does a resonant resistance of ≤15Ω provide?","Lower resonant resistance (R1) indicates a higher Q-factor (quality factor) for the crystal sensor, meaning a higher useful-signal-to-noise ratio in signal processing. As film thickness increases during later coating stages, resistance gradually rises; keeping the initial resistance within 15Ω significantly delays the onset of 'Crystal Fail' alarms, supporting thicker single-layer depositions.",{"question":397,"answer":398},"Can the SA6AD12 replace traditional single-sided or full-cover silver electrodes?","Absolutely. If your equipment uses 12mm crystal sensors and you encounter premature failure, signal jumps, or rapidly rising resistance during coating processes, the SA6AD12's dual-anchor design and alloy technology provide superior physical stability and chemical corrosion resistance, making it an ideal solution for upgrading process stability.",{"question":400,"answer":401},"What are the storage environment requirements for this product?","Although the silver-aluminum alloy electrode offers improved oxidation resistance, it is still recommended to store the product in an environment with temperatures between -20°C and +85°C and relative humidity between 30% and 50%. After opening the original vacuum-sealed packaging, it is advisable to store the sensors in a desiccator or nitrogen cabinet to ensure optimal performance throughout the 6-month shelf life.",[403,407,410],{"title":404,"description":405,"image":74,"link":406},"The Invisible Killer of Coating Yield: Crystal Sensor Working Principles and Selection Guide","This article provides a detailed introduction to crystal sensor working principles, failure mechanisms, and selection recommendations to help coating professionals choose the right crystal sensor, stabilize yield, and reduce overall costs.","\u002Fblog\u002Fqmc",{"title":408,"description":409,"image":74,"link":79},"How to Use Quartz Crystal Monitor Sensors","A detailed explanation of installation precautions for 12mm dual-anchor electrode crystal sensors and the differences from 14mm specifications.",{"title":411,"description":412,"image":83,"link":84},"Troubleshooting","An analysis of the physical causes behind quartz crystal sensor signal loss, providing troubleshooting solutions for common alarms in 12mm systems.","\u002Fen\u002Fproducts\u002Fsilver-aluminum-alloy-crystals\u002Fsa6ad12",{"keywords":415,"description":366},"SA6AD12, 6MHz crystal sensor, 12mm quartz crystal sensor, 12.42mm crystal sensor, dual-anchor electrode crystal monitor, silver-aluminum alloy electrode, 2 anchors crystal, Optorun compatible crystal sensor, Shincron compatible crystal sensor, vacuum coating monitoring, PVD sensor, thin-film thickness monitor","en\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA6AD12","ylwkjD4xiwhikb02RjtCClrNe0sXlnVFdgGDkTl0NuY",{"id":419,"title":420,"body":421,"description":425,"extension":23,"meta":426,"navigation":85,"path":465,"seo":466,"stem":468,"__hash__":469},"products\u002Fen\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA6AD14.md","SA6AD14",{"type":16,"value":422,"toc":423},[],{"title":19,"searchDepth":20,"depth":20,"links":424},[],"This 6MHz, 14mm silver-aluminum alloy electrode quartz crystal is specifically designed for high-precision thin film deposition monitoring. By combining a 6MHz base frequency with a 14mm large effective area, it provides a wider measurement range while ensuring stability. The silver-aluminum alloy electrode not only maintains the high conductivity of silver but also effectively enhances wear resistance and oxidation resistance through aluminum doping. Compared to pure gold electrodes, the silver-aluminum alloy possesses better mechanical ductility, allowing it to effectively buffer the mechanical stress generated by deposited thin films and reduce stress transmission to the quartz substrate. This characteristic makes it perform exceptionally well in applications involving high-stress materials or long-term continuous deposition, significantly reducing frequency-hopping risks and ensuring high reliability in monitoring.",{"pid":427,"Part_No":420,"Type":428,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":370,"Frequency_Tolerance":103,"Wafer_Diameter":253,"Wafer_Diameter_Tolerance":210,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":371,"Electrode_Appearance":429,"Storage_Temperature":38,"Storage_Humidity":430,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":313,"longtexttitle1":431,"longtextdescription1":432,"longtexttitle2":433,"longtextdescription2":434,"longtexttitle3":214,"longtextdescription3":435,"tabletitle":115,"faqs":436,"applications":458},"005","JJK 6MHz-14MM-Silver-Aluminum Alloy Crystal","Dual-anchor electrode (2 anchors)","Relative humidity 30~50%","14mm-6MHz Silver-Aluminum Alloy Precision Monitoring Crystal: Optimized for High-Stress and Complex Deposition Processes","The SA6AD14 is a 6MHz quartz crystal designed for high-stress thin film deposition and complex multi-layer thin film growth. Featuring a large 14mm electrode design, it provides a wider effective measurement area. Its core advantage lies in the innovative silver-aluminum alloy electrode coating: it retains the excellent conductivity of silver while significantly improving oxidation resistance and mechanical ductility through aluminum alloying. Compared to traditional pure gold electrodes, this model absorbs internal film stress more effectively, extending the service life of the crystal in demanding production environments.","Process Advantages of Silver-Aluminum Alloy Electrodes","Superior Stress Buffering: The silver-aluminum alloy electrode possesses excellent flexibility, effectively buffering mechanical stress generated during film deposition and reducing stress transmission to the quartz substrate, thereby mitigating frequency-hopping risks at the source. Outstanding Oxidation Stability: Aluminum doping effectively enhances the corrosion resistance of the electrode surface. It maintains a low and stable resonance resistance (≤15Ω) even after long-term vacuum exposure or multiple high-temperature thermal cycles, ensuring precise data acquisition. High-Compatibility Conductive Layer: While maintaining a high-performance conductive channel, the electrode exhibits excellent adhesion to various complex deposition materials, making it particularly suitable for stress-sensitive optical coating and composite film growth monitoring.","The 6MHz frequency configuration achieves an ideal balance between sensitivity and substrate thickness, making it the preferred choice for precise optical film and multi-layer film monitoring. The 14mm diameter design effectively expands the sensor's detection window, improving deposition uniformity while providing wider tolerance for sensor probe alignment and installation. Whether used for high-precision anti-reflective optical coatings, dielectric film monitoring, or semiconductor thin film processes requiring resilience against harsh stress variations, the SA6AD14 provides durable and reliable monitoring performance for vacuum coating production lines.",[437,440,443,446,449,452,455],{"question":438,"answer":439},"Why does silver-aluminum alloy perform better than pure gold electrodes in monitoring high-stress materials (e.g., SiO2, Si3N4)?","Although pure gold electrodes have good chemical stability, their high hardness tends to couple mechanical stress from the deposited film directly to the quartz substrate, leading to frequent frequency hopping. The SA6AD14’s silver-aluminum alloy electrode features unique micro-lattice flexibility, acting as a 'stress-absorbing buffer layer' that effectively attenuates film tension, thereby ensuring signal continuity in high-stress environments.",{"question":441,"answer":442},"What are the advantages of the 6MHz \u002F 14mm combination compared to the traditional 6MHz \u002F 12mm specification?","The large 14mm effective area significantly reduces frequency instability caused by edge effects and provides a wider measurement window. This large-size design optimizes energy distribution; combined with the 6MHz base frequency, it not only offers higher sensitivity for initial thickness detection but also withstands greater loading during long-term thick film deposition without losing resonance.",{"question":444,"answer":445},"Does the silver-aluminum alloy electrode oxidize and turn black over long-term use like pure silver electrodes?","No. The SA6AD14 uses a specialized alloy proportioning process, where the addition of aluminum forms an extremely thin and stable passivation layer on the silver surface. This gives the product both the high conductivity of silver and anti-oxidation capabilities far superior to pure silver, ensuring resistance stability throughout vacuum exposure cycles.",{"question":447,"answer":448},"What causes the initial resonance frequency to be low when using this crystal?","Low frequency is usually related to installation pressure or ambient temperature. For 14mm crystals, excessive pressure from the probe spring can cause uneven stress on the quartz edge, leading to initial frequency offsets. We recommend ensuring light contact with the probe pins and performing a short 'pre-deposition' before critical experiments to allow the crystal to reach thermal equilibrium.",{"question":450,"answer":451},"Is this product suitable for industrial production lines with frequent vacuum cycling?","Yes, it is highly suitable. The SA6AD14 is designed for high-frequency process transitions. The mechanical strength of the silver-aluminum alloy allows it to withstand pressure swings from 10⁻⁷ Torr to atmospheric pressure, while its excellent adhesion ensures that the electrode layer does not peel or delaminate due to thermal shock.",{"question":453,"answer":454},"Why is the SA6AD14 considered a 'guarantee for coating process consistency'?","Consistency in monitoring depends on the stability of the resonance resistance (R-value). The SA6AD14 strictly controls the operating resistance to below 15Ω with minimal fluctuations over its entire lifespan. This ensures that the controller can always lock onto high-SNR oscillation signals, avoiding 'false thickness deviations' caused by impedance spikes, ensuring every batch has consistent film thickness.",{"question":456,"answer":457},"How do I determine if my deposition material is a 'high-stress material' and needs this model?","If you frequently encounter the following phenomena: premature crystal failure, sawtooth-like jumps in data curves, or the monitoring probe losing signal after the film reaches a certain thickness, these are often signs that high-stress films are damaging the quartz substrate. Switching to the SA6AD14 with its stress-buffering properties can often resolve these issues immediately.",[459,461,463],{"title":140,"description":460,"image":142,"link":143},"Suitable for PVD (Physical Vapor Deposition) processes, providing real-time, precise monitoring of growth rates and thickness for gold, silver, copper, and other metallic thin films.",{"title":145,"description":462,"image":74,"link":79},"Silver-aluminum alloy electrodes offer excellent mechanical ductility, optimizing thin film performance monitoring in both laboratory and precision industrial environments.",{"title":148,"description":464,"image":83,"link":84},"Decoding the physical causes behind quartz crystal signal loss.","\u002Fen\u002Fproducts\u002Fsilver-aluminum-alloy-crystals\u002Fsa6ad14",{"keywords":467,"description":425},"SA6AD14, 6MHz Crystal, 14mm Quartz Crystal, Silver-Aluminum Alloy Electrode Crystal, Compatible Coating Crystal, Vacuum Coating Monitoring, PVD Sensor Wafer, Thin Film Thickness Gauge, High Durability Crystal, Shincron Compatible, ULVAC Compatible, Dual-anchor Electrode, Quartz Crystal Microbalance","en\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA6AD14","0ifp7tiWh6gALHs-KlfsXd1zk7BLueW5NyqtrGZ46U8",{"id":471,"title":472,"body":473,"description":477,"extension":23,"meta":478,"navigation":85,"path":521,"seo":522,"stem":524,"__hash__":525},"products\u002Fen\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA6AF14.md","SA6AF14",{"type":16,"value":474,"toc":475},[],{"title":19,"searchDepth":20,"depth":20,"links":476},[],"The SA6AF14 is a high-performance 6MHz AT-CUT quartz crystal, 14mm in diameter, designed for demanding thin-film deposition monitoring applications. This model features an advanced **full-covered Silver\u002FAluminum (Ag\u002FAl) alloy electrode** process, combining the excellent conductivity of silver with the chemical stability of aluminum. Compared to traditional electrodes, the SA6AF14's silver-aluminum alloy layer exhibits superior oxidation resistance and wear resistance, effectively handling complex ionic environments in high vacuum. Its ≤15Ω ultra-low resonance resistance ensures high oscillation sensitivity even under complex loads. The full-covered electrode design achieves excellent surface stress distribution, and combined with the frequency-temperature characteristics of the AT cut, it greatly reduces the risk of 'frequency hopping' caused by thermal stress during high-power or prolonged PVD processes, making it a reliable choice for precision optical coating and semiconductor process monitoring.",{"pid":479,"Part_No":472,"Type":480,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":370,"Frequency_Tolerance":103,"Wafer_Diameter":253,"Wafer_Diameter_Tolerance":210,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":371,"Electrode_Appearance":481,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":482,"longtexttitle1":483,"longtextdescription1":484,"longtexttitle2":485,"longtextdescription2":486,"longtexttitle3":487,"longtextdescription3":488,"tabletitle":115,"faqs":489,"applications":511},"006","JJK 6MHz-14MM-Full-Covered Silver-Aluminum Alloy Crystal","Full-Covered Electrode","\u002Fimg\u002Fsa6af14.webp","SA6AF14 Full-Covered Silver-Aluminum Alloy Crystal: The Preferred Choice for High-Precision 6MHz Vacuum Coating Monitoring","The SA6AF14 is an industrial-grade 6MHz monitor crystal, utilizing a 14mm standard AT-CUT quartz substrate, specifically developed for PVD deposition processes demanding high stability. The core feature of this model lies in its 'Full-Covered' silver-aluminum alloy electrode design. This structure not only provides a maximal electrical contact area but also ensures uniform heat distribution across the entire crystal surface. The 5.988MHz center frequency, combined with strict ±8KHz tolerance control, enables more accurate and repeatable rate monitoring feedback than standard crystals, particularly in precision optical coating and semiconductor thin-film production.","Full-Covered Silver-Aluminum Alloy Process: Balancing Conductivity and Aging Resistance","The SA6AF14 utilizes an innovative silver\u002Faluminum alloy electrode solution, perfectly addressing the oxidation vulnerability of pure silver electrodes and the excessive stress of pure gold electrodes. The silver component ensures extremely low resonance resistance (≤15Ω), guaranteeing stable signals and easy oscillation even under high-load conditions for the sensor. The addition of aluminum forms a dense protective layer on the surface, significantly enhancing the electrode's oxidation resistance in high-vacuum environments. Furthermore, the 'Full-Covered Electrode' design effectively reduces stress concentration at the wafer's edges, better buffering the mechanical stress generated by deposited films, fundamentally curbing frequency hopping and signal loss commonly encountered during high-power evaporation processes.","Excellent Physical Characteristics & Multi-Scenario Applicability","Benefiting from its precise diameter of 13.97mm (±0.03mm) and AT-CUT process, the SA6AF14 exhibits excellent frequency-temperature stability, performing remarkably well within the 25°C to 75°C operating range. The 6MHz fundamental frequency configuration achieves an optimal balance between measurement sensitivity and film load capacity. Coupled with a 6-month shelf life and strict humidity control standards, it becomes an ideal choice for various high-value thin-film monitoring tasks. Whether dealing with complex multi-layer optical stacks or long-duration metallization sputtering processes, the SA6AF14 leverages its combined advantages of low impedance, corrosion resistance, and stress resilience to safeguard your production yield.",[490,493,496,499,502,505,508],{"question":491,"answer":492},"Why does the SA6AF14 use a Full-Covered electrode design, and how does it affect coating monitoring?","The full-covered electrode design eliminates the stress gradient at the edges typical of patterned electrodes, distributing the pressure from the deposited film more uniformly across the quartz surface. This significantly reduces the risk of 'frequency hopping' during high-power processes. Additionally, the full-surface metal coverage improves heat transfer efficiency, allowing the crystal to reach thermal equilibrium faster when exposed to thermal radiation from the evaporation source, drastically reducing initial frequency drift.",{"question":494,"answer":495},"The center frequency for this model is specified as 5.988MHz, not the standard 6.000MHz. Will this affect usage?","No, this is a testament to its high precision. In a real vacuum environment, once the crystal is installed and deposition begins, its frequency drops rapidly due to the added load. Precisely controlling the initial center frequency to 5.988MHz (±8KHz) ensures that after accounting for mounting load, the crystal still operates within the controller's optimal linear detection range, providing a longer effective monitoring life than standard crystals.",{"question":497,"answer":498},"What performance advantages does the Silver-Aluminum alloy (Ag\u002FAl) electrode offer over traditional pure gold or pure silver electrodes?","The silver-aluminum alloy represents an optimized solution for industrial environments: it retains silver's high conductivity for low resonance resistance (≤15Ω), while the alloying with aluminum creates a passivated protective layer, making its oxidation resistance far superior to pure silver. Moreover, it is more ductile than pure gold electrodes, effectively buffering the pull from high-stress films on the quartz substrate, preventing electrode layer delamination or peeling.",{"question":500,"answer":501},"What is the significance of controlling Resonance Resistance to ≤15Ω for thick-film monitoring?","Resonance resistance is a key indicator of the crystal's quality factor (Q value). Low resistance means minimal energy loss during oscillation. In practical applications, even as the deposited film thickens and the load increases, the SA6AF14 maintains a strong, stable oscillation signal, avoiding 'thickness data jumps' or sensor errors caused by sudden impedance changes, ensuring consistency in complex processes.",{"question":503,"answer":504},"How compatible is the 13.97mm (±0.03mm) diameter specification regarding installation?","The SA6AF14 adheres to extremely strict diameter tolerances, ensuring full compatibility with all major 14mm sensor heads (e.g., Inficon, Maxtek, Balzers, etc.). Due to its full-covered electrode design, specific angular alignment during installation is unnecessary, greatly simplifying the changeout process and reducing mechanical damping fluctuations caused by eccentric mounting.",{"question":506,"answer":507},"What impact would operating outside the 25°C ~ 75°C temperature range have on monitoring accuracy?","The SA6AF14 utilizes an AT-CUT process, known for its superior frequency-temperature stability. Within this temperature range, frequency drift is minimized. Exceeding this range increases thermal stress on the quartz, potentially leading to decreased linearity. Therefore, using a water-cooled sensor head is recommended to maintain optimal measurement accuracy.",{"question":509,"answer":510},"How can I determine if my current process should switch from standard electrodes to the SA6AF14 Full-Covered Silver-Aluminum Alloy model?","If your production line frequently encounters premature crystal failure, signal loss, or rapidly climbing R (resistance) values when depositing high-stress materials (like SiO2, Si3N4), the stress-buffering characteristics and low impedance advantages of the SA6AF14 will provide significant improvement. Furthermore, for operations demanding high repeatability across multiple runs, such as precision optical and semiconductor coating, this model is also a more stable choice.",[512,516,518],{"title":513,"description":514,"image":515,"link":406},"Invisible Killer of Coating Yield: Crystal Working Principle & Selection Guide","This article details the working principle, failure mechanisms, and selection advice for monitor crystals, helping coating professionals choose the right crystal to stabilize yield and reduce overall costs.","\u002Fimg\u002F11.jpgs",{"title":145,"description":517,"image":74,"link":79},"Gold-coated electrodes offer excellent biocompatibility, suitable for laboratory-scale micro\u002Fnano bio-film performance analysis and sensor monitoring.",{"title":519,"description":520,"image":83,"link":84},"Troubleshooting Guide","Understanding the physical causes behind quartz crystal signal loss.","\u002Fen\u002Fproducts\u002Fsilver-aluminum-alloy-crystals\u002Fsa6af14",{"keywords":523,"description":477},"SA6AF14, 6MHz Crystal, 14mm Quartz Crystal, Silver-Aluminum Alloy Crystal, Optorun compatible crystal, Vacuum Coating Monitor, PVD Sensor Crystal, Film Thickness Monitor, High Durability Crystal, Shincron compatible, Ulvac compatible, 2-point electrode, Quartz Crystal Microbalance","en\u002Fproducts\u002FSilver Aluminum Alloy Crystals\u002FSA6AF14","SdDyVQWEVDFTDPZuIS0D-PsfEMybTWAUpdUBBTt7_EM",{"id":527,"title":528,"body":529,"description":533,"extension":23,"meta":534,"navigation":85,"path":577,"seo":578,"stem":580,"__hash__":581},"products\u002Fen\u002Fproducts\u002FSilver Electrode Crystals\u002FSC5AD12.md","SC5AD12",{"type":16,"value":530,"toc":531},[],{"title":19,"searchDepth":20,"depth":20,"links":532},[],"The SC5AD12 is a 5MHz pure silver electrode monitoring crystal sensor specifically designed for heavy-load, long-cycle deposition tasks. Its core advantage lies in combining the extremely high mass-load tolerance of the 5MHz quartz substrate with the ultra-sensitive electrical characteristics of **high-purity silver (Pure Silver)** electrodes. For the precise 12.42mm size, this model utilizes a high-Q AT-cut process combined with a dual-anchor (2-Anchor) electrode design, maintaining an extremely low resonant resistance of ≤15Ω even at the lower fundamental frequency of 5.000MHz. It is a high-performance benchmark for thick-film optical deposition, fluoride coatings, and processes requiring exceptionally long monitoring lifespans, significantly extending the service life of each individual crystal while ensuring high precision.",{"pid":535,"Part_No":528,"Type":536,"Nominal_Frequency":27,"Nominal_Frequency_Tolerance":28,"Center_Frequency":537,"Frequency_Tolerance":208,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":538,"Electrode_Appearance":372,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":539,"longtexttitle1":540,"longtextdescription1":541,"longtexttitle2":542,"longtextdescription2":543,"longtexttitle3":544,"longtextdescription3":545,"tabletitle":546,"faqs":547,"applications":566},"011","JJK 5MHz-12MM-Dual-Anchor Silver Electrode Crystal Sensor","4.96MHz","Silver","\u002Fimg\u002Fsc6ad14.webp","SC5AD12 5MHz Pure Silver Dual-Anchor Sensor: Tailor-Made for Thick-Film Deposition and Heavy-Load Processes","In the precision coating industry, 5MHz crystal sensors, with their thicker quartz substrates compared to 6MHz variants, offer superior mechanical stress resistance and higher mass-loading capacity. The SC5AD12 leverages this physical advantage, combined with its precise 12.42mm diameter, specifically for PVD processes requiring extended continuous monitoring. Its 4.96MHz center frequency design reserves an exceptionally wide linear operating range for subsequent heavy film deposition. The dual-anchor electrode structure further optimizes the stress distribution of the 12mm crystal within the probe, effectively addressing common signal noise and frequency jump issues encountered during later stages of thick-film deposition.","Pure Silver Electrode and Low-Impedance Technology: Maintaining Ultimate Sensitivity in Long-Term Monitoring","The SC5AD12 abandons conventional alloy electrodes in favor of a high-vacuum evaporated pure silver process, fully leveraging silver's superior conductivity. This provides the crystal with an ultra-low resonant resistance of ≤15Ω from the initial stage, ensuring stable oscillation and signal purity. For 5MHz crystals, which demand extremely high surface quality, the pure silver electrode delivers a stronger energy trapping effect, concentrating vibration at the electrode center. The dual-anchor (2-Anchor) design, through two symmetrical fixing points, provides redundant signal transmission paths, maintaining reliable electrical connection even when probe spring contacts fatigue due to prolonged high-temperature coating operations.","Precisely Compatible with 12mm Systems, Enhancing Thick-Film Process Yield through Superior Linearity","The SC5AD12 strictly adheres to the 12.42mm (±0.03mm) industrial tolerance, precisely fitting Japanese and domestic high-precision 12mm probes from Shincron, Optorun, and others. Its AT-CUT angle is rigorously optimized for thermal drift compensation, delivering excellent frequency-temperature stability within the 25°C to 75°C range. The combination of pure silver electrodes and 5MHz crystals significantly enhances adhesion energy between the deposited film and the quartz surface. When depositing high-stress materials such as fluorides and sulfides, it effectively suppresses film peeling, reducing unplanned downtime and saving costly material and time resources.","SC5AD12 Technical Specifications",[548,551,554,557,560,563],{"question":549,"answer":550},"Why does the SC5AD12 use a pure silver electrode instead of an alloy electrode?","Pure silver electrodes offer unparalleled electrical conductivity, maintaining the resonant resistance of the 5MHz crystal at an extremely low level (≤15Ω). During heavy-load, thick-film deposition, lower resistance translates to stronger drive capability and a higher signal-to-noise ratio. This allows the crystal to maintain stable oscillation even under extremely heavy loads, resulting in a significantly longer service life compared to alloy electrodes.",{"question":552,"answer":553},"What specific advantages does the 5MHz specification offer over 6MHz in 12mm probe systems?","The 5MHz crystal sensor features a thicker substrate with greater physical strength. Under the same film thickness deposition, the 5MHz crystal exhibits a smaller percentage frequency shift, meaning it has a greater 'mass tolerance.' For optical thick films or processes requiring continuous operation for several hours, the SC5AD12 is the preferred choice for preventing premature crystal failure and enhancing production continuity.",{"question":555,"answer":556},"What is the significance of the 4.96MHz center frequency design?","This is a pre-compensation design for the thick silver electrode and heavy-load processes. The silver electrode itself has a certain mass that shifts the 5.000MHz nominal frequency downward. Setting the center frequency at 4.96MHz ensures that the crystal operates in the most stable Q-factor resonant region immediately after installation, while reserving additional linear frequency space for subsequent film growth.",{"question":558,"answer":559},"Does the 'dual-anchor (2-Anchor)' electrode have specific installation orientation requirements?","The dual-anchor electrode provides two symmetrical contact areas, increasing installation flexibility. Compared to full-cover electrodes, the dual-anchor points better guide stress release and reduce physical deformation of the crystal under clamping pressure. During installation, simply ensure the probe spring contact presses against either anchor area to achieve extremely low contact resistance and stable signal feedback.",{"question":561,"answer":562},"How does the SC5AD12 perform when processing high-stress materials such as fluorides?","Due to its thickness advantage, the 5MHz substrate possesses natural resistance to stress. Combined with the excellent ductility and surface adhesion of the pure silver electrode, the SC5AD12 effectively buffers mechanical stress generated by the film layer, preventing the common 'mode hopping' phenomenon during the middle and later stages of deposition. It is an ideal choice for high-stress thin-film monitoring.",{"question":564,"answer":565},"How can the performance of the pure silver electrode be ensured during the 6-month storage period?","Pure silver readily reacts with sulfur and moisture in the environment, which is why we use anti-sulfur vacuum packaging. Storage in a dry cabinet (humidity 30-50%) is recommended. Since 5MHz crystals are extremely sensitive to surface contamination, clean tweezers must be used after opening, and finger contact with the electrode surface is strictly prohibited to prevent skin oils from increasing R1 resistance or causing oscillation start-up difficulties.",[567,571,574],{"title":568,"description":569,"image":74,"link":570},"Heavy-Load Monitoring: Application of 5MHz Pure Silver Crystal Sensors in Optical Thick Films","In-depth analysis of how the 5MHz crystal, with its thicker substrate and lower impedance, achieves extended service life in long-cycle deposition tasks.","\u002Fblog\u002F5mhz-heavy-load",{"title":572,"description":573,"image":74,"link":79},"12.42mm Dual-Anchor Electrode Installation and Impedance Control Guide","Guidance on optimizing contact pressure to maintain the extremely low resonant resistance of ≤15Ω, tailored to the characteristics of pure silver electrodes in 12mm systems.",{"title":575,"description":576,"image":83,"link":84},"Troubleshooting: How to Resolve 5MHz Crystal Sensor Failures in Late-Stage Thick-Film Processes","Analysis of how the 4.96MHz center frequency helps avoid non-linear regions and resolves late-stage signal loss issues, based on SC5AD12 parameters.","\u002Fen\u002Fproducts\u002Fsilver-electrode-crystals\u002Fsc5ad12",{"keywords":579,"description":533},"SC5AD12, 5MHz crystal sensor, 12mm monitor crystal, 12.42mm quartz crystal, pure silver electrode crystal, dual-anchor electrode, 5MHz 12mm, Optorun crystal, Shincron crystal, thick-film deposition monitoring, vacuum coating components, 4.96MHz","en\u002Fproducts\u002FSilver Electrode Crystals\u002FSC5AD12","OjbKZs0CWAbCLnLenmG-VR1Eh39jFzsMKGUPMau8rxI",{"id":583,"title":584,"body":585,"description":589,"extension":23,"meta":590,"navigation":85,"path":630,"seo":631,"stem":633,"__hash__":634},"products\u002Fen\u002Fproducts\u002FSilver Electrode Crystals\u002FSC5AD14.md","SC5AD14",{"type":16,"value":586,"toc":587},[],{"title":19,"searchDepth":20,"depth":20,"links":588},[],"The SC5AD14 is a 5MHz pure silver electrode crystal sensor designed specifically for heavy-duty industrial applications and thick-film deposition monitoring. Its standard 13.97mm diameter perfectly fits Inficon, Leybold, and other major 14mm probe systems worldwide. This product combines the exceptional physical strength of the 5MHz quartz substrate with the superior conductivity of **high-purity silver (Pure Silver)** electrodes, achieving an ultra-low starting resistance of ≤15Ω. Tailored for thick-film processes, the SC5AD14 provides broader frequency tuning range and enhanced stress tolerance, making it a critical consumable for ensuring process continuity and measurement linearity in large optical coatings, high-stress metallization, and long-cycle vacuum deposition tasks.",{"pid":591,"Part_No":584,"Type":592,"Nominal_Frequency":27,"Nominal_Frequency_Tolerance":28,"Center_Frequency":537,"Frequency_Tolerance":208,"Wafer_Diameter":253,"Wafer_Diameter_Tolerance":210,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":538,"Electrode_Appearance":372,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":539,"longtexttitle1":593,"longtextdescription1":594,"longtexttitle2":595,"longtextdescription2":596,"longtexttitle3":597,"longtextdescription3":598,"tabletitle":599,"faqs":600,"applications":619},"012","JJK 5MHz-14MM-Dual-Anchor Silver Electrode Crystal Sensor","SC5AD14 14mm Industrial Heavy-Duty Sensor: A Highly Reliable Choice for Thick-Film Monitoring","In large-scale industrial coating equipment, the 14mm specification is the most widely adopted standard. The SC5AD14, designed with a 5.000MHz fundamental frequency, features a thicker quartz substrate compared to 6MHz crystals, enabling it to withstand greater film stress and higher mass loads. The precision 13.97mm substrate, combined with AT-CUT thermal compensation processing, ensures exceptionally stable frequency output even under the high temperatures generated during high-power evaporation. The scientifically preselected 4.96MHz center frequency reserves ample 'lower-limit headroom' for thick-film deposition, significantly extending the effective monitoring time of each crystal before reaching its failure point.","Pure Silver Electrode with Dual-Anchor Structure: Injecting Ultimate Sensitivity into Low-Frequency Large-Format Crystals","The SC5AD14 features electrodes formed by high-purity silver vacuum sputtering. Leveraging silver's excellent electrical properties, it excites an exceptionally high Q-factor even at the lower vibration frequency of 5MHz. The ≤15Ω resonant resistance ensures rapid oscillation start-up and robust signal integrity. The unique symmetrical 'dual-anchor (2-Anchor)' electrode design provides more balanced mechanical support across the larger 14mm diameter, effectively mitigating interference from sensor spring contacts on the crystal's central vibration zone. This structure not only enhances contact reliability but also creates dual-signal path redundancy, significantly reducing the risk of frequency jumping and noise caused by contact resistance fluctuations in high-volume production.","Deep Compatibility with Global Mainstream Systems, Enhancing Yield in High-Stress Thin-Film Deposition","The SC5AD14 strictly adheres to the international tolerance of 13.97mm (±0.03mm), compatible with various monitoring systems including Inficon, Balzers, and major domestic 14mm sensors. Its AT-CUT angle is specially optimized to effectively compensate for thermal frequency drift within the 25°C to 75°C temperature range. For processes prone to mechanical stress, such as depositing fluorides, sulfides, or thick metal layers, the 5MHz substrate demonstrates superior crack resistance. Combined with the excellent film adhesion of pure silver electrodes, the SC5AD14 maintains precise rate feedback under extreme load conditions, making it an ideal solution for processes targeting 'long life and high precision.'","SC5AD14 Technical Specifications",[601,604,607,610,613,616],{"question":602,"answer":603},"Which mainstream probes is the 13.97mm specification of the SC5AD14 primarily compatible with?","13.97mm (standard 14mm) is an international standard. The SC5AD14 is perfectly compatible with most 14mm sensors from brands such as Inficon, Leybold, Balzers, and Ulvac, serving as a standard consumable for industrial-grade evaporation equipment.",{"question":605,"answer":606},"Why is the center frequency of the SC5AD14 set at 4.96MHz, which is relatively low?","This is a 'frequency shift reserve' specifically designed for thick-film and heavy-load processes. The pure silver electrode itself is relatively heavy, causing the initial frequency to drop; setting the center frequency near 4.96MHz allows the crystal to operate in an optimal resonant state after installation, while reserving extended linear lifespan headroom for subsequent heavy film deposition, preventing the crystal from reaching its failure limit prematurely.",{"question":608,"answer":609},"What advantages does using a pure silver electrode on a 5MHz crystal offer compared to alloy electrodes?","5MHz crystals have higher vibration energy. The ultra-low impedance (≤15Ω) of pure silver electrodes reduces internal loss (damping), resulting in a higher signal-to-noise ratio. In the mid-to-late coating stages, as film thickness increases and crystal impedance rises, the pure silver electrode, with its extremely low starting resistance, can sustain oscillation longer than alloy electrodes before reaching the oscillation threshold, thus extending service life.",{"question":611,"answer":612},"What physical protection does the dual-anchor (2-Anchor) design provide for the 14mm crystal?","The 14mm crystal has a larger force-bearing area. The dual-anchor design distributes the mechanical pressure from the probe spring contacts, preventing stress concentration at the quartz center that could lead to fracture. Simultaneously, it provides two symmetrical conductive paths, ensuring stable electrical signal transmission even when the probe experiences slight deformation or contamination from long-term use.",{"question":614,"answer":615},"Is the pure silver electrode prone to tarnishing? How should the SC5AD14 be stored?","Due to silver's chemical properties, it does tarnish when exposed to sulfur-containing air. Therefore, we use anti-sulfur vacuum packaging and recommend storage in a dry environment with relative humidity of 30-50%. As long as used within the 6-month storage period, slight surface discoloration typically does not affect its excellent oscillation sensitivity and measurement accuracy.",{"question":617,"answer":618},"Why is the 5MHz 14mm crystal better than 6MHz for thick-film deposition?","The 5MHz crystal corresponds to a thicker quartz substrate with greater mechanical stress tolerance. Additionally, the 5MHz frequency offers moderate sensitivity to mass changes, which means that during thick-film deposition (such as optical infrared layers or heavy metal layers), it does not fail as quickly as 6MHz crystals due to rapid frequency decline, offering superior stability.",[620,624,627],{"title":621,"description":622,"image":74,"link":623},"Industrial-Grade Long-Life Solution: Performance of 14mm 5MHz Crystal Sensors in Heavy-Duty Processes","Analysis of how the SC5AD14 leverages its large diameter and low fundamental frequency advantages to replace traditional crystals and reduce costs in thick-film optical deposition.","\u002Fblog\u002F14mm-5mhz-heavy-duty",{"title":625,"description":626,"image":74,"link":79},"Pure Silver Electrodes: The Key to Resolving Crystal Oscillation Start-up Difficulties and Signal Noise","Exploring how the high conductivity of pure silver material reduces R1 resistance in 14mm crystals and its signal-to-noise ratio advantages in low-rate evaporation.",{"title":628,"description":629,"image":83,"link":84},"Mainstream System Compatibility: SC5AD14 Installation Optimization for Inficon and Leybold Probes","Providing installation recommendations for 13.97mm crystals in large automatic crystal-changing sensors to ensure signal stability in later coating stages.","\u002Fen\u002Fproducts\u002Fsilver-electrode-crystals\u002Fsc5ad14",{"keywords":632,"description":589},"SC5AD14, 5MHz crystal sensor, 14mm monitor crystal, 13.97mm quartz crystal, pure silver electrode crystal, dual-anchor electrode, 5MHz 14mm, Inficon compatible crystal, 4.96MHz, thick-film deposition monitoring, industrial-grade monitoring crystal, vacuum coating consumables","en\u002Fproducts\u002FSilver Electrode Crystals\u002FSC5AD14","1StfdBhlS9W1NVjSVDZWb4MrKKRRjgP6XRltFyCDLoA",{"id":636,"title":637,"body":638,"description":642,"extension":23,"meta":643,"navigation":85,"path":683,"seo":684,"stem":686,"__hash__":687},"products\u002Fen\u002Fproducts\u002FSilver Electrode Crystals\u002FSC6AD12.md","SC6AD12",{"type":16,"value":639,"toc":640},[],{"title":19,"searchDepth":20,"depth":20,"links":641},[],"The SC6AD12 is a 6MHz quartz monitor crystal specifically designed for high-precision, real-time monitoring applications. Its core feature is the **high-purity silver (Pure Silver)** electrode structure, which leverages silver's excellent electrical conductivity to achieve an extremely low resonant resistance (≤15Ω), ensuring instantaneous oscillation start-up and ultra-high signal capture sensitivity. Engineered with a high-quality quartz substrate and AT-CUT processing for the precise 12.42mm specification, combined with a mature dual-anchor (2-Anchor) electrode pattern, it delivers outstanding measurement linearity and frequency stability at the industry-standard 6MHz frequency. It is the ideal choice for precision optical thin films, semiconductor evaporation, and various 12mm probe head systems where ultimate measurement accuracy and high oscillation start-up reliability are paramount.",{"pid":644,"Part_No":637,"Type":645,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":370,"Frequency_Tolerance":103,"Wafer_Diameter":31,"Wafer_Diameter_Tolerance":32,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":538,"Electrode_Appearance":372,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":539,"longtexttitle1":646,"longtextdescription1":647,"longtexttitle2":648,"longtextdescription2":649,"longtexttitle3":650,"longtextdescription3":651,"tabletitle":652,"faqs":653,"applications":672},"009","JJK 6MHz-12MM-Dual-Anchor Silver Electrode Crystal Sensor","SC6AD12 6MHz Pure Silver Dual-Anchor Sensor: Benchmark for High-Precision Measurement and Superior Oscillation Performance","In optical coating and fine metallization processes, the 6MHz crystal sensor offers higher frequency resolution, enabling more sensitive detection of minute mass changes. The SC6AD12 fully leverages the advantage of its precise 12.42mm diameter, combined with a 6.000MHz nominal fundamental frequency, specifically designed for refined deposition rate control. The scientifically preset center frequency of 5.988MHz compensates for the loading effect of the thick silver electrode layer, ensuring the crystal operates at its optimal frequency band immediately upon installation. The dual-anchor (2-Anchor) electrode design not only optimizes the physical strength of the 12mm crystal but also significantly enhances the electrical connection stability at the probe contact points, fundamentally reducing signal jumps caused by poor contact.","Pure Silver Electrode Technology: Unleashing Ultra-Low Impedance Advantages for Enhanced Weak Signal Response","The SC6AD12 features pure silver electrodes fabricated using a high-vacuum sputtering process. Silver, being the metal with the highest electrical conductivity in nature, endows the crystal with an extremely low initial resonant resistance (R1 ≤15Ω), allowing the crystal to maintain a high Q-factor even in its thinner initial stages. This makes oscillation start-up exceptionally easy and enhances interference immunity. The dual-anchor electrode, through two symmetrical 'anchor' points, provides stable support while creating redundant current paths. This ensures stable ohmic contact even under high temperatures (up to 75°C) or complex evaporation environments, effectively resolving signal noise fluctuations commonly found in single-anchor or anchorless designs.","Precisely Compatible with 12mm Monitoring Systems, Ensuring Continuous Production Yield through Thermo-Mechanical Stability","The SC6AD12 strictly adheres to the 12.42mm (±0.03mm) dimensional standard, making it a perfect replacement for OEM consumables in mainstream coating machines such as Optorun and Shincron. The AT-CUT process, meticulously optimized for frequency-temperature compensation, ensures minimal frequency drift within the typical coating temperature range of 25°C to 75°C. The pure silver electrode's unique surface energy enhances the adhesion of deposited materials. Coupled with the high resolution provided by the 6MHz frequency, it demonstrates superior linearity compared to conventional alloy sensors in monitoring the thickness of precision filters and multi-layer anti-reflective coatings, effectively improving product consistency.","SC6AD12 Technical Specifications",[654,657,660,663,666,669],{"question":655,"answer":656},"What are the advantages of the pure silver electrode used in the SC6AD12 compared to silver-aluminum alloys?","The pure silver electrode offers higher electrical conductivity and a lower chemical barrier. In 6MHz high-frequency monitoring, this translates to lower resonant resistance (≤15Ω) and higher oscillation start-up sensitivity. For processes with extremely demanding initial deposition signal requirements (such as ultra-thin films), the pure silver electrode provides more timely frequency feedback, reducing the risk of oscillation start-up failure.",{"question":658,"answer":659},"Why is the center frequency set at 5.988MHz rather than exactly 6.000MHz?","This is a pre-compensation design for the mass loading of the pure silver electrode. The thickness of the silver layer slightly shifts the resonant frequency of the quartz crystal downward. The 5.988MHz center frequency ensures that when the crystal is installed in the probe and begins operation in a vacuum environment, its actual operating frequency is closest to the 6MHz linear optimum point, thereby reserving maximum linear range for subsequent deposition.",{"question":661,"answer":662},"How does the 12.42mm diameter tolerance affect compatibility with my probe?","12.42mm (±0.03mm) is the standard specification for high-precision Japanese and domestic sensors. Precise tolerance control ensures the crystal sensor fits securely in the holder without being loose (to prevent signal drift) or overly tight (to prevent frequency jumping). The SC6AD12 is mechanically optimized specifically for the retention force of such probes.",{"question":664,"answer":665},"What storage precautions should be taken for the pure silver electrode?","Because pure silver readily reacts with sulfides in the air, the SC6AD12 comes in special anti-tarnish packaging. It is recommended to store it in a dry environment with relative humidity between 30-50%, and the storage period should not exceed 6 months. Once opened, it should be used as soon as possible, and bare hands should be avoided touching the electrode surface to prevent contamination by sweat that could affect performance.",{"question":667,"answer":668},"Does the 'Dual-Anchor (2-Anchor)' electrode help improve lifespan?","Yes. The dual-anchor not only increases the redundancy of signal contact but also distributes the localized pressure exerted by the probe spring clip on the crystal. During repeated cycles or long-term deposition, this structure effectively alleviates stress concentration within the quartz substrate, reducing the likelihood of crystal fracture or premature signal loss due to increased contact resistance.",{"question":670,"answer":671},"What deposition processes is this 6MHz crystal suitable for?","The SC6AD12 is widely used in precision optical coatings (such as multi-layer narrow-band filters), semiconductor metallization processes, and OLED evaporation. Its 6MHz high-resolution characteristic gives it a distinct advantage over 5MHz crystals when monitoring thinner films or layers requiring extremely precise thickness control.",[673,677,680],{"title":674,"description":675,"image":74,"link":676},"High-Sensitivity Monitoring: Technical Value of Pure Silver Electrode in 6MHz Crystal Sensors","An in-depth analysis of how pure silver material reduces R1 resistance and maintains stable crystal oscillation in weak signal environments.","\u002Fblog\u002Fsilver-electrode-6mhz",{"title":678,"description":679,"image":74,"link":79},"12.42mm Probe System Optimization: Physical Advantages of Dual-Anchor Electrodes","Analysis of how the dual-anchor structure improves the contact mechanics distribution of Japanese coating machine probes, reducing frequency noise during deposition.",{"title":681,"description":682,"image":83,"link":84},"Preventing Signal Jumps: Common Causes and Countermeasures for Crystal Sensor Failure in Precision Coating","Discussion on how choosing the correct cut angle and electrode material, based on SC6AD12 parameters, can prevent frequency jumping issues in production.","\u002Fen\u002Fproducts\u002Fsilver-electrode-crystals\u002Fsc6ad12",{"keywords":685,"description":642},"SC6AD12, 6MHz crystal sensor, pure silver electrode crystal, 12mm monitor crystal, 12.42mm crystal, dual-anchor electrode, silver electrode quartz crystal, 6MHz 12mm, Optorun crystal sensor, Shincron crystal, high-precision coating monitor, vacuum evaporation component, 5.988MHz","en\u002Fproducts\u002FSilver Electrode Crystals\u002FSC6AD12","d867XqFA1d9hsC7PO_B6Gxy0Jb09Y5xpScUDqhBJbbM",{"id":689,"title":690,"body":691,"description":695,"extension":23,"meta":696,"navigation":85,"path":736,"seo":737,"stem":739,"__hash__":740},"products\u002Fen\u002Fproducts\u002FSilver Electrode Crystals\u002FSC6AD14.md","SC6AD14",{"type":16,"value":692,"toc":693},[],{"title":19,"searchDepth":20,"depth":20,"links":694},[],"The SC6AD14 is a high-performance 6MHz pure silver electrode crystal sensor designed for general-purpose industrial probe systems. Its standard 13.97mm diameter precisely fits mainstream 14mm sensor assemblies worldwide. The core of the product features **high-purity silver (Pure Silver)** as the electrode material. Leveraging silver's outstanding physical conductivity, the resonant resistance is reduced to below 15Ω, achieving an extremely high quality factor (Q-value) and exceptionally easy oscillation start-up. Combined with the classic AT-CUT process and innovative dual-anchor (2-Anchor) structure, the SC6AD14 delivers excellent mass sensitivity and thermal stability at 6MHz fundamental frequency, making it a highly reliable monitoring solution for optical thin-film interference filters, semiconductor metallization, and precision electron-beam evaporation processes.",{"pid":697,"Part_No":690,"Type":698,"Nominal_Frequency":205,"Nominal_Frequency_Tolerance":206,"Center_Frequency":370,"Frequency_Tolerance":103,"Wafer_Diameter":253,"Wafer_Diameter_Tolerance":210,"Resonance_Resistance":33,"Crystal_Cutting":34,"Operating_Temperature":35,"Electrode_Material":538,"Electrode_Appearance":372,"Storage_Temperature":38,"Storage_Humidity":39,"Storage_Life":373,"supcategory":41,"SubCategory":42,"molecule_img":539,"longtexttitle1":699,"longtextdescription1":700,"longtexttitle2":701,"longtextdescription2":702,"longtexttitle3":703,"longtextdescription3":704,"tabletitle":705,"faqs":706,"applications":725},"010","JJK 6MHz-14MM-Dual-Anchor Silver Electrode Crystal Sensor","SC6AD14 14mm Industrial Standard Sensor: Combining the Stability of Large-Size Substrates with 6MHz High Resolution","As the most widely used specification in the coating industry, the mechanical strength and contact stability of 14mm crystal sensors are critical. The SC6AD14, built on a precise 13.97mm substrate, achieves extremely low noise performance under 6MHz high-frequency monitoring through optimized AT-CUT angles. The 6.000MHz nominal frequency, paired with the 5.988MHz center frequency design, scientifically compensates for the mass loading effect of the pure silver electrode layer, ensuring the crystal operates at its most active resonant state immediately after installation. Compared to smaller crystals, the SC6AD14's larger effective oscillation area provides a wider linear feedback range for thick-film deposition, effectively extending the process life of each individual crystal.","High-Purity Silver Electrode with Dual-Anchor Technology: Unlocking the Measurement Potential of Ultra-Low Impedance","The electrode layer of the SC6AD14 utilizes pure silver rather than low-cost alloys. This choice is not only to achieve an extremely low initial resonant resistance (≤15Ω) but also to capture more precise frequency shifts during trace material deposition. The pure silver electrode significantly improves the signal-to-noise ratio, particularly excelling in low-rate evaporation processes (e.g., 0.1Å\u002Fs). The unique symmetrical 'dual-anchor (2-Anchor)' electrode design, by adding physical contact redundancy, resolves the common issue of uneven contact pressure in 14mm crystals within large automatic crystal-changing sensors. This ensures uniform current distribution and completely eliminates frequency 'dropout' caused by localized poor contact.","Broad System Compatibility: Tailored for Global Mainstream Evaporation Equipment","The SC6AD14 strictly adheres to the international tolerance standard of 13.97mm (±0.03mm), ensuring perfect compatibility with Inficon, Leybold, Balzers, and mainstream domestic 14mm probes. Its operating temperature range covers 25°C to 75°C, with precise thermal compensation optimizing performance against intense thermal radiation within the vacuum chamber. The favorable surface energy of the pure silver electrode enhances adhesion with various film materials such as gold, aluminum, and fluorides, reducing stress-induced film delamination. Whether in research-grade precision experiments or large-scale industrial production lines, the SC6AD14 guarantees accurate film thickness with its stable linear output.","SC6AD14 Technical Specifications",[707,710,713,716,719,722],{"question":708,"answer":709},"Which equipment is the 13.97mm diameter of the SC6AD14 primarily compatible with?","13.97mm (commonly referred to as 14mm) is an international standard. It is primarily compatible with most sensors from brands such as Inficon, Leybold, Balzers, Ulvac, as well as numerous domestic vacuum coating equipment using 14mm standard probes.",{"question":711,"answer":712},"How does the pure silver electrode perform in terms of oscillation start-up at 6MHz?","Due to silver's extremely high conductivity, the SC6AD14 exhibits a very low resonant resistance R1 (≤15Ω). At 6MHz, this translates to exceptionally high oscillation start-up sensitivity. Even when probe spring contacts age or contact pressure decreases, the pure silver electrode typically maintains stable oscillation more easily than conventional electrode crystals.",{"question":714,"answer":715},"Does the 5.988MHz center frequency design affect my settings?","There is no negative impact. The 5.988MHz is the actual measured physical frequency accounting for the mass of the pure silver electrode. In the crystal controller, you can still set it to the standard 6.000MHz. This pre-compensation design ensures the crystal is at its most stable resonant center point at the start of deposition, thereby achieving better linearity.",{"question":717,"answer":718},"What is the significance of the dual-anchor (2-Anchor) design on the larger 14mm crystal?","Due to its larger diameter, the 14mm crystal is more susceptible to microscopic physical deformation when compressed by the sensor spring contacts. The dual-anchor design provides two symmetrical stress support points and electrical pathways, not only reducing frequency noise caused by single-point stress but also providing redundancy for signal transmission, greatly enhancing reliability in high-volume production environments.",{"question":720,"answer":721},"How can I prevent oxidation or sulfidation of the pure silver electrode from affecting performance?","Pure silver electrodes are sensitive to environmental conditions. We recommend storing the SC6AD14 in a dry cabinet with relative humidity of 30-50%, keeping it in its original sealed packaging. The 6-month storage period is the recommended optimal usage window. Powder-free gloves should be worn during handling to prevent skin acids from contacting the silver layer.",{"question":723,"answer":724},"Is the SC6AD14 suitable for high-stress oxide coatings?","Yes. The 6MHz AT-cut quartz crystal offers good mechanical strength. The pure silver electrode has a certain degree of ductility, allowing it to act as a buffer layer absorbing some of the mechanical stress generated by the film. Combined with the structural support of the dual-anchor points, it exhibits better anti-frequency-jumping performance than conventional single-anchor crystals when processing high-stress films.",[726,730,733],{"title":727,"description":728,"image":74,"link":729},"Universal 14mm Crystal Sensor: Compatibility Analysis with Inficon and Mainstream Systems","A detailed explanation of why the 13.97mm specification has become an industrial standard and how the SC6AD14 enhances the sensitivity of older equipment through its pure silver electrode.","\u002Fblog\u002F14mm-universal-standard",{"title":731,"description":732,"image":74,"link":79},"High-Precision Performance of Pure Silver Electrodes in Ultra-Thin Film Deposition","Analysis of how the pure silver electrode, with its low R1 resistance, captures thickness changes at the 0.1 Ångström level, improving process yield in 6MHz systems.",{"title":734,"description":735,"image":83,"link":84},"Dual-Anchor Technology: A Signal Noise Reduction 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