Hermetic glass-metal compression seal

Details Hermetic glass-metal compression seal Hermetic glass-metal compression seal

1977-04-22

1978-12-05

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of quartz or glass

65 59R, 106 52, 106 54, 174 5061, 403 30, 428432, 428457, 428538, B32B 1706

Patent

active

041286979

ABSTRACT:
Hermetically sealed lead-in structures of the compression seal type, useful for electronic devices and particularly for transistor and integrated circuit headers, are described. The seal structures comprise a glass-metal compression seal between steel casing and low-expansion cobalt-nickel-iron alloy leads, utilizing specific glassy sealing materials which impart thermal shock resistance of at least 425.degree. C. to the compression seal.

REFERENCES:
patent: 2062335 (1936-12-01), Scott
patent: 2338538 (1944-01-01), Pulfrich et al.
patent: 2770923 (1956-11-01), Dalton et al.
patent: 3035372 (1962-05-01), Mayers
patent: 3250631 (1966-05-01), Lusher
patent: 3252812 (1966-05-01), DE Lajarte
patent: 3540893 (1970-11-01), Petticrew
patent: 3638076 (1972-01-01), Koons
patent: 3698921 (1972-10-01), La Grouw
patent: 3726987 (1973-04-01), Pryor et al.

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