Patent
1977-06-22
1979-04-03
Clawson, Jr., Joseph E.
357 75, 357 76, H01L 2330
Patent
active
041480562
ABSTRACT:
A glass-encapsulated semiconductor device characterized in that a rectifier unit comprises a lamination of electrically series-connected and mechanically bonded semiconductor pellets and an electric-conductive spacer, and a pair of electrodes with external lead wires which are electrically connected and mechanically bonded with said lamination by means of soldering materials, the peripheral surface of the rectifier unit is covered with a protective glass layer over the entire length from one of the electrodes to the other, said conductive spacer having such a thickness that the thermal expansion coefficient of said spacer may be equal to the average thermal expansion coefficient of a virtual laminated column of said semiconductor pellets alone.
REFERENCES:
patent: 3913127 (1975-10-01), Suzuki et al.
patent: 3945111 (1976-03-01), Greeson et al.
Handbook of Chemistry and Physics, 44th Edition, .COPYRGT.1961, Chem. Rubber Publ. Co., Cleveland, Ohio, p. 2330.
Matsunaga Akira
Suzuki Kensuke
Clawson Jr. Joseph E.
Hitachi , Ltd.
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