Method of making a self-protected thyristor

Details Method of making a self-protected thyristor Method of making a self-protected thyristor

1983-05-09

1985-05-14

Hearn, Brian E.

Metal working

Method of mechanical manufacture

Assembling or joining

29580, 29582, 29583, 148 15, 148187, 357 20, 357 38, H01L 21223, H01L 21265, H01L 21302, H01L 2974

Patent

active

045163154

ABSTRACT:
The present invention is directed to a thyristor self-protected against overvoltage by the avalanche mechanism, the protection resulting from a well cut in the top surface of the thyristor and extending through one base region of the thyristor and forming two regions of opposite conductivity type at the bottom of said well, and to the process for making the thyristor.

REFERENCES:
patent: 4047219 (1977-09-01), Temple
Przybysz, J. X. et al., "Thyristors with Overvoltage Self-Protection" in 1981 International Electron Device Meeting Technical Digest, pp. 410-413.

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