The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 06, 1981
Filed:
Jul. 16, 1979
Applicant:
Inventors:
Makoto Azuma, Yokohama, JP;
Akio Nakagawa, Hiratsuka, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 38 ; 357 36 ; 357 39 ; 357 56 ; 357 90 ;
Abstract
A gate turn-off thyristor which comprises a semiconductor body having at least four contiguous layers, namely, a first layer of a first conductivity type, a second layer lying continguous to the first layer and having a second conductivity type, a third layer lying contiguous to the second layer and having said first conductivity type, and a fourth layer contiguous to the third layer and having said conductivity type;
Quick Actions:
Azuma, Makoto. (1981). Gate turn-off thyristor (U.S. Patent No. 4243999). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4243999
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile