Thyristor

Details Thyristor Thyristor

1976-05-04

1978-02-07

Miller, Jr., Stanley D.

357 20, 357 86, H01L 2974

Patent

active

040729800

ABSTRACT:
A thyristor comprising a semiconductor element is described which has at least four zones of alternate conductivity type with a shunt between an outer zone which serves as an emitter and an adjacent inner zone which serves as a base. A strip shape control electrode is arranged along one edge of the adjacent zone, and an emitter electrode is arranged in contact with substantially all of the outer surface of the emitter. The emitter electrode is provided with a large number of openings arranged in a regular pattern, through which openings portions of the adjacent zone extend into contact with the emitter electrode. The emitter openings are located at the intersection points between first lines running parallel to one another on the one hand, and at second lines which are repeated in a regular sequence parallel to one another and inclined toward the emitter electrode at an angle .theta. which is less than 90.degree. and greater than 45.degree..

REFERENCES:
patent: 3476992 (1969-11-01), Chu
patent: 3599061 (1971-08-01), Kokosa
patent: 3725753 (1973-04-01), Garrett

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