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:
Feb. 16, 1988
Filed:
Mar. 29, 1985
Applicant:
Inventors:
Hiroshi Jwahashi, Yokohama, JP;
Masamichi Asano, Tokyo, JP;
Hiroshi Harada, Kawasaki, JP;
Shinichi Tanaka, Tokyo, JP;
Hideki Sumihara, Yokohama, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H03K / ;
U.S. Cl.
CPC ...
361 91 ; 357 43 ; 357 233 ; 357 238 ; 357 2313 ; 357 2314 ; 307304 ; 361 56 ; 361 86 ;
Abstract
A semiconductor integrated circuit includes a MOS transistor, and a transistor circuit in which one end of a current path is connected to a drain of this MOS transistor and which has an avalanche breakdown voltage lower than a breakdown voltage of the MOS transistor.