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:
Mar. 18, 1997
Filed:
Jan. 06, 1995
Applicant:
Inventors:
Naoto Fujishima, Kawasaki, JP;
Gen Tada, Kawasaki, JP;
Assignee:
Fuji Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257341 ; 257401 ; 257601 ; 257603 ;
Abstract
A semiconductor device with a metal-insulator-semiconductor transistor and a limiter or sacrifice diode has predetermined breakdown voltage and constant withstand voltage. The device includes a special well region underlying a drain portion or contacting an edge of a drain portion.
Fujishima, Naoto. (1997). Semiconductor device with limiter diode (U.S. Patent No. 5612564). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5612564
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile