Dissimilar material bonding [Glass, metal, ceramic, silicon AuSn solder bonding]
Realizing the joining of dissimilar materials such as glass-metal, ceramics-metal, ceramics-silicon, and ceramics-glass!
Our company utilizes AuSn solder, developed through the sealing technology adopted in Citizen Watch's crystal devices, to enable the high-precision and robust joining of dissimilar materials. While sealing joints with resin-based adhesives faced challenges in chemical resistance and long-term reliability, our AuSn solder sealing technology not only offers excellent chemical resistance but also demonstrates stable sealing performance even in high vacuum environments, making it suitable for harsh operating conditions. The AuSn solder method, which involves heat treatment, allows for uniform melting and seamless sealing, achieving stable sealing joints. We flexibly apply precision machining techniques cultivated in the manufacturing of small components to achieve small and high-precision sealing joints of dissimilar materials. 【Features】 ■ Strong chemical and water resistance (e.g., sodium hypochlorite) ■ Compatible with low to high vacuum ranges ■ Capable of joining dissimilar materials (glass, metal, ceramics, silicon) *For details, please view the PDF data by downloading the catalog.
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For details, please view the PDF data by downloading the catalog.
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Applications/Examples of results
Glass-metal, ceramics-metal, ceramics-silicon, ceramics-glass, we do not limit applications. Please feel free to contact us.
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The area where Citizen Fine Devices demonstrates its strength is in the realm of functional components that require small size, precision, high accuracy, and high detail. We believe that our mission is to continue providing high-value-added microdevice products by leveraging the unique technologies we have developed over many years. Utilizing metal processing technology rooted in watch manufacturing, we have consistently supplied small, high-precision components to our customers for many years through a fully integrated production line that encompasses process design, machining, assembly, and functional testing, along with the unique development of our own processing machines. Additionally, mass-producing components with high precision and efficiency using brittle materials is also one of our core technologies. By integrating material technology with ultra-precision machining, thin-film technology, and bonding technology, we produce not only high-precision components such as ceramics and quartz but also high-quality functional device products like liquid crystal devices and sensing devices. Continuing to provide high-value-added products to the market is a significant dream for our employees. We will contribute to the creation of new value through manufacturing driven by the challenge spirit of each individual, working towards the realization of that dream.