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:
Oct. 21, 1986
Filed:
Dec. 18, 1984
Applicant:
Inventors:
Youichi Araki, Yokohama, JP;
Yoshinari Uetake, Sagamihara, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 56 ; 357 79 ; 357 38 ; 357 68 ; 357 65 ; 29591 ;
Abstract
A mesa type power semiconductor device comprising a mesa groove disposed on the bottom thereof with separated gate electrodes leaving the central portion of the groove bottom free from a gate electrode. This construction is effective in preventing occurrence of an insulator breakdown between a cathode and a gate electrode.
Araki, Youichi. (1986). Power semiconductor device with mesa type structure (U.S. Patent No. 4618877). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4618877
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile