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:
May. 13, 2008
Filed:
Jan. 29, 2004
Masayuki Hata, Kadoma, JP;
Tadao Toda, Kyoto, JP;
Shigeyuki Okamoto, Kobe, JP;
Daijiro Inoue, Kyoto, JP;
Yasuyuki Bessho, Hirakata, JP;
Yasuhiko Nomura, Moriguchi, JP;
Tsutomu Yamaguchi, Nara, JP;
Masayuki Hata, Kadoma, JP;
Tadao Toda, Kyoto, JP;
Shigeyuki Okamoto, Kobe, JP;
Daijiro Inoue, Kyoto, JP;
Yasuyuki Bessho, Hirakata, JP;
Yasuhiko Nomura, Moriguchi, JP;
Tsutomu Yamaguchi, Nara, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A semiconductor device capable of stabilizing operations thereof is provided. This semiconductor device comprises a substrate provided with a region having concentrated dislocations at least on part of the back surface thereof, a semiconductor element layer formed on the front surface of the substrate, an insulator film formed on the region of the back surface of the substrate having concentrated dislocations and a back electrode formed to be in contact with a region of the back surface of the substrate other than the region having concentrated dislocations.