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:
Aug. 24, 2010
Filed:
Aug. 04, 2006
Applicants:
Tomoki Inoue, Tokyo, JP;
Koichi Sugiyama, Saitama, JP;
Hideaki Ninomiya, Kanagawa, JP;
Tsuneo Ogura, Kanagawa, JP;
Inventors:
Tomoki Inoue, Tokyo, JP;
Koichi Sugiyama, Saitama, JP;
Hideaki Ninomiya, Kanagawa, JP;
Tsuneo Ogura, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/075 (2006.01); H01L 27/095 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device including a base layer of a first conductivity type having a first main surface and a second main surface opposite the first main surface, a first main electrode layer connected to the first main surface, control regions arranged inside grooves penetrating the first main electrode layer and reach inside the base layer, and a second main electrode layer of the first conductivity type and connected to the second main surface.