Thyristor with branched base

Details Thyristor with branched base Thyristor with branched base

1975-11-28

1977-07-12

Lynch, Michael J.

357 20, 357 34, 357 36, H01L 2974

Patent

active

040358259

ABSTRACT:
The present invention pertains to a thyristor device comprising a semiconductor body having at least one emitter zone positioned at a major surface of the body. A base zone shares a portion of the major surface with the emitter zone and extends under the entirety of the emitter zone. The base zone and emitter zone form a PN junction at their interface. The portion of the base zone under the emitter zone has a plurality of low resistivity branches which have their common origin in the portion of the base zone located directly under the major surface.

REFERENCES:
patent: 3619738 (1971-11-01), Otsuka
patent: 3641403 (1972-02-01), Nakata
patent: 3688164 (1972-08-01), Tsukuda et al.
patent: 3858236 (1974-12-01), Schafer et al.
patent: 3906545 (1975-09-01), Schlangnotto et al.
patent: 3914781 (1975-10-01), Matsushita et al.

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