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:
Apr. 30, 2019
Filed:
Mar. 09, 2018
Applicant:
Toyoda Gosei Co., Ltd., Kiyosu-shi, JP;
Inventors:
Kazuya Hasegawa, Kiyosu, JP;
Tohru Oka, Kiyosu, JP;
Assignee:
TOYODA GOSEI CO., LTD., Kiyosu-Shi, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/872 (2006.01); H01L 29/66 (2006.01); H01L 29/20 (2006.01); H01L 21/04 (2006.01); H01L 29/47 (2006.01);
U.S. Cl.
CPC ...
H01L 29/872 (2013.01); H01L 21/0495 (2013.01); H01L 29/2003 (2013.01); H01L 29/47 (2013.01); H01L 29/66143 (2013.01);
Abstract
A Schottky barrier diode comprises a semiconductor layer configured to include a surface and a plurality of recesses that are recessed relative to the surface; and a Schottky electrode arranged to form a Schottky contact with the surface. When the semiconductor layer is viewed from a surface side thereof, the surface is arranged continuously, and distances on the surface between adjacent recesses are substantially identical. This configuration suppresses a photoresist from being left in any unintended portion.