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:
Dec. 16, 2008
Filed:
Mar. 11, 2005
Applicant:
Davide Chiola, Marina del Rey, CA (US);
Inventor:
Davide Chiola, Marina del Rey, CA (US);
Assignee:
International Rectifier Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/095 (2006.01);
U.S. Cl.
CPC ...
Abstract
A trench type Schottky device has a guard ring diffusion of constant depth between the outermost of an active trench and an outer surrounding termination trench. The junction curvature of the guard ring diffusion is suppressed or cut out by the trenches.