Hermetic Sealing and Pass Throughs
The Indium Corporation offers materials for hermetic and cryogenic sealing, as well as for pass-throughs. These mission critical applications require unwavering assurances and reliability.
Indium wire is ideal for most sealing applications. The two main advantages of indium wire are:
- It remains malleable at cryogenic temperatures
- It is soft and pliable so it fills imperfections in mating metal surfaces, creating a hermetic seal
Traditional sealing materials crack and fail at cryogenic temperatures. They are simply unreliable.
Contact our engineers to discuss your critical sealing application.
Hermetic Sealing and Pass Throughs Technical Documents
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Safety Data Sheets
Hermetic Sealing Blog Posts
Creating an airtight or hermetic seal is a critical-- and an especially challenging-- requirement for high-reliability packages. The 72Ag28Cu profile provided can give you a good reference point for evaluating your current manufacturing profiles. We understand that there are a number of variables that impact your production. Reevaluating your dwell and liquidus time in your profile can help improve the quality of your products.
72Ag28Cu, pure Ag, and OFHC Cu brazes are user friendly and provide excellent finished goods reliability.
Summary: Gold solder alloys are valuable due to their unique range of reflow temperatures and their resistance to corrosion, making them ideal for high reliability optical and laser hermetic package housing assemblies.
From One Engineer to Another®
All of Indium Corporation’s products and solutions are designed to be commercially available
unless specifically stated otherwise.