White Paper: Aerospace

Types of Hermetic Seals

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Hermetics is defined as creating a seal or closure that is complete and airtight. Various technologies exist to create a hermetic electrical seal between two points, with two of the more common technologies being glass-to-metal seals and epoxy-based hermetic feedthroughs. Download the Douglas Electrical Components whitepaper to compare the technologies. Content includes hermetic seal definitions, epoxy characteristics, material coefficient of thermal expansion, material bonding, an operating environment comparison, and more.

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