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. 26, 1991
Filed:
Jun. 09, 1989
Applicant:
Inventors:
Jong O Kim, Seoul, KR;
Jin H Kim, Chung-Buk, KR;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 53 ; 357 55 ; 357 15 ;
Abstract
A semiconductor device having a grooved field plate(s), a grooved field limiting ring(s) or a combination of a grooved field plate(s) and grooved field limiting ring(s) is disclosed. The grooved modification of the conventional semiconductor results in an increased break-down voltage over the conventional semiconductor device. A method for manufacturing the grooved semiconductor device is disclosed.