Laser Hermetic Sealing Kovar
In order to solve the problems of thermal expansion coefficient matching and grain boundary embrittlement control when sealing Kovar alloy with ceramic/glass, our equipment adopts a targeted heat input strategy to significantly reduce welding stress and avoid interface cracking. By optimizing the melting process, the formation of brittle phase is suppressed to form a strong and dense connection interface. This process is specially developed for vacuum sealing of optical communication modules and aerospace-grade metal-ceramic composite tube shells to ensure sealing integrity and long-term stability.
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