Hermetic package with optical fiber feedthrough

Details Hermetic package with optical fiber feedthrough Hermetic package with optical fiber feedthrough

H - Electricity

05

K

H05K 5/06 (2006.01) G02B 6/42 (2006.01) G02B 6/44 (2006.01) G02B 6/36 (2006.01)

Patent

CA 2371412

A hermetically sealed package for an electro-optical device has a two-part casing with a fiber feedthrough. The feedthrough defines a gap and is assembled using fastening means, typically bolts or screws, that are placed such that the walls of the feedthrough are prestressed before a molten solder is injected into the feedthrough to seal the casing. The material of the bolts has a greater coefficient of thermal expansion (CTE) than the CTE of the casing, whereby the mismatching between the CTE of the casing and the solder is at least partly compensated.

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