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:
Nov. 03, 2015
Filed:
Sep. 25, 2014
Sanken Electric Co., Ltd., Niiza-shi, Saitama, JP;
Sanken Electric Co., LTD., Niiza-shi, Saitama, JP;
Abstract
A semiconductor device includes a semiconductor substrate, a surface of which is provided with: a source region having a first conductivity type is formed in a body region having a second conductivity type opposite to the first conductivity type; a main electrode connected to the source region and the body region; and a gate electrode, to which a voltage for controlling a current flowing through the main electrode is applied, and the semiconductor device includes: a recess formed in the surface of the semiconductor substrate, wherein the source region is exposed on an inner surface of the recess and the main electrode is connected to the source region at the inner surface of the recess.