Hermetic electrical feedthrough for aluminum housing and method

Details Hermetic electrical feedthrough for aluminum housing and method Hermetic electrical feedthrough for aluminum housing and method

1978-06-30

1980-07-15

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Through wall or plate

29592R, 174152GM, 219118, H01B 1726

Patent

active

042130042

ABSTRACT:
A leak-tight joint between a Kovar ceramic feed-through and an aluminum housing is obtained by electron beam welding a short length of the outside surface of the Kovar cylindrical shell of the feedthrough to a region of nickel deposited on a thin wall cylindrical tube of aluminum formed in the aluminum housing.

REFERENCES:
patent: 2200694 (1960-05-01), Gerecke et al.
patent: 3017452 (1962-01-01), Rongved
Welding Handbook, 6th Edition, Section Three-Part A, "Welding, _Cutting and Related Processes", published by American Welding _Society, New York, 1970, pp. 47.39-47.43.
Metals Handbook, 8th Edition, vol. 6, "Welding and Brazing", _published by American Society for Metals, Metals Park, Ohio, 1974, pp. 558-560.

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