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. 12, 2014
Filed:
Apr. 01, 2011
Applicants:
Yasuo Ata, Tokyo, JP;
Takahiro Okuno, Tokyo, JP;
Tetsujiro Tsunoda, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Electric Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A semiconductor device includes a semiconductor substrate, a surface electrode formed on the semiconductor substrate, an ineffective region formed to surround the surface electrode, and an ID-indicating portion made of a different material than the surface electrode and formed on the surface electrode to indicate an ID. The area of the ineffective region is smaller than the area of the surface electrode.