Patent
1975-05-27
1976-08-17
James, Andrew J.
357 38, 357 75, 357 76, 357 81, 357 79, H01L 2302, H01L 2312, H01L 2974, H01L 2332
Patent
active
039757587
ABSTRACT:
A conventional amplifying gate thyristor is provided with gate assist turn-off capability by a package assembly. The package assembly comprises an encapsulation means adapted for packaging therein the amplifying gate thyristor, said encapsulation means including a locator means for aligning and supporting a gate contact adapted to make ohmic contact with a gate electrode of the amplifying gate thyristor and for aligning and supporting a diode relative to said gate electrode. A diode is disposed in a semiconductor body having cathode and anode regions forming a PN junction therebetween and adjoining opposed major surfaces of said semiconductor body, respectively. The diode is fastened to said locator means with said cathode region thereof making ohmic contact with said gate contact and said anode region thereof making ohmic contact with an anode electrode affixed on a major surface of said semiconductor body and adapted to make ohmic contact with a floating electrode of the amplifying gate thyristor.
REFERENCES:
patent: 3619731 (1971-11-01), Baker
patent: 3654529 (1972-04-01), Lord
patent: 3708732 (1973-01-01), Faust
patent: 3846823 (1974-11-01), Matthews
James Andrew J.
Menzemer C. L.
Westinghouse Electric Corporation
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