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:
Jul. 21, 2009
Filed:
Sep. 09, 2004
Satoshi Yanagisawa, Kawasaki, JP;
Satoshi Aida, Kawasaki, JP;
Shigeo Kouzuki, Kawasaki, JP;
Hironori Yoshioka, Yokohama, JP;
Ichiro Omura, Yokohama, JP;
Wataru Saito, Kawasaki, JP;
Satoshi Yanagisawa, Kawasaki, JP;
Satoshi Aida, Kawasaki, JP;
Shigeo Kouzuki, Kawasaki, JP;
Hironori Yoshioka, Yokohama, JP;
Ichiro Omura, Yokohama, JP;
Wataru Saito, Kawasaki, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor device is disclosed, which comprises a terminal section formed to surround a device active region. The terminal section includes a trench formed in the semiconductor layer, and a filler filled in the trench. A field plate is extended to above the trench from an electrode of the semiconductor element formed in the device active region.