Semiconductor device

Details Semiconductor device Semiconductor device

1981-08-20

1984-04-24

James, Andrew J.

357 51, 357 68, 357 86, H01L 2974, H01L 2702, H01L 2348

Patent

active

044451334

ABSTRACT:
Disclosed is a semiconductor device comprising: a semiconductor body having a first semiconductor layer of the N conductivity type, second and third semiconductor layers of the P conductivity type, and first and second regions of the N conductivity type formed in the second semiconductor layer; a cathode electrode having first and second portions formed on the first semiconductor region; a gate electrode provided in the second semiconductor layer in opposition to the cathode electrode with the second semiconductor region interposed therebetween; an anode electrode provided on the third semiconductor layer; an auxiliary electrode consisting of two first portions and one second portion connected at ends respectively to the first portions, said first portions being formed on said second region and having free ends spaced from each other, and said second portion formed on said second layer and extending along the periphery of the first portion of said cathode electrode; and the second portion of the cathode electrode lying between said free ends of the first portions of the auxiliary electrode.

REFERENCES:
patent: 2980832 (1961-04-01), Stein et al.
patent: 3486088 (1969-12-01), Gray et al.
patent: 3579060 (1971-05-01), Davis
patent: 3622845 (1971-11-01), McIntyre et al.
patent: 4086612 (1978-04-01), Voss
patent: 4315274 (1982-02-01), Fukui et al.

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