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. 28, 2023
Filed:
Aug. 19, 2021
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Naofumi Hirata, Himeji Hyogo, JP;
Tomomi Kuraguchi, Himeji Hyogo, JP;
Shinichi Ueki, Ibo Hyogo, JP;
Yoichi Hori, Himeji Hyogo, JP;
Kei Tanihira, Himeji Hyogo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
A semiconductor device includes a semiconductor part including a first semiconductor layer of a first conductivity type; a first electrode provided on a back surface of the semiconductor part; and a second electrode provided on a front surface of the semiconductor part. The second electrode includes a barrier layer and a metal layer. The barrier layer contacts the first semiconductor layer and including vanadium or a vanadium compound as a major component. The metal layer is provided on the barrier layer.