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:
Jan. 12, 2021
Filed:
Oct. 27, 2016
Applicant:
Sanken Electric Co., Ltd., Niiza, JP;
Inventors:
Shunsuke Fukunaga, Niiza, JP;
Taro Kondo, Niiza, JP;
Assignee:
SANKEN ELECTRIC CO., LTD., Niiza, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/78 (2006.01); H01L 27/088 (2006.01); H01L 29/06 (2006.01); H01L 29/40 (2006.01);
U.S. Cl.
CPC ...
H01L 29/7813 (2013.01); H01L 27/088 (2013.01); H01L 29/06 (2013.01); H01L 29/407 (2013.01); H01L 29/78 (2013.01);
Abstract
A semiconductor device includes: a semiconductor basein which a first trenchis formed in a mesh-like shape in a plan view and a second trenchis formed in a mesh opening surrounded by the first trench; a first semiconductor elementwhich is formed in the semiconductor baseand includes a first gate electrodeprovided within the first trench; and a second semiconductor elementwhich is formed in the semiconductor baseand includes a second gate electrodeprovided within the second trenchsurrounded by the first gate electrode