Microelectronic circuit case

Details Microelectronic circuit case Microelectronic circuit case

1975-06-05

1977-03-29

Truhe, Joseph V.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

219105, 220DIG29, H05K 506

Patent

active

040150712

ABSTRACT:
A microelectronic circuit case for continuous seam welding to a lid and having a chamfer on the inner corner of the case upper edge for improving welding and sealing reliability, and a method of making the case.

REFERENCES:
patent: 1857505 (1932-05-01), Heineman
patent: 2285609 (1942-06-01), Pederson
patent: 2880383 (1959-03-01), Taylor
patent: 2968713 (1961-01-01), Harper
patent: 3190952 (1965-06-01), Bitko
patent: 3195026 (1965-07-01), Wegner et al.

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