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. 25, 2016
Filed:
Dec. 04, 2015
Applicant:
Fuji Electric Co., Ltd., Kanagawa, JP;
Inventor:
Yoshihiro Ikura, Nagano, JP;
Assignee:
FUJI ELECTRIC CO., LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/739 (2006.01); H01L 29/06 (2006.01); H01L 29/10 (2006.01); H01L 29/08 (2006.01); H01L 27/082 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7397 (2013.01); H01L 27/0823 (2013.01); H01L 29/0696 (2013.01); H01L 29/0804 (2013.01); H01L 29/0821 (2013.01); H01L 29/1095 (2013.01);
Abstract
A shield electrode is formed above a floating p region in a semiconductor layer and connected to a gate electrode in a trench. The shield electrode is composed of a material having an electrical resistivity lower than that of the gate electrode.