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:
Sep. 16, 2003
Filed:
Jul. 03, 2002
Applicant:
Inventor:
Zhijun Qu, Torrance, CA (US);
Assignee:
International Rectifier Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/978 ;
U.S. Cl.
CPC ...
H01L 2/978 ;
Abstract
A termination structure for a superjunction device on which the net charge between P pylons in an N termination region is intentionally unbalanced and is negative. The P pylons in the termination area are further non-uniformly located relative to those in the active area. A field ring which is an extension of the source electrode terminates at a radial mid point of the termination region.
Quick Actions:
Qu, Zhijun. (2003). Termination structure for superjunction device (U.S. Patent No. 6621122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6621122
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile