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:
Mar. 25, 2025
Filed:
Apr. 29, 2024
Fuji Electric Co., Ltd., Kawasaki, JP;
Masakazu Baba, Matsumoto, JP;
Shinsuke Harada, Tsukuba, JP;
FUJI ELECTRIC CO., LTD., Kawasaki, JP;
Abstract
A semiconductor device, including: a drift layer of a first conductivity type provided in a semiconductor base; a base layer of a second conductivity type provided in the semiconductor base at a front surface side thereof; a plurality of first trenches provided in the semiconductor base at a front surface side thereof, and having a plurality of first portions extending in a first direction to form a striped pattern; a second trench provided in the semiconductor base at a front surface side thereof, and having a plurality of second portions extending parallel to the first portions; a plurality of gate electrodes respectively provided in the first trenches; and a diode electrode provided in the second trench. The diode electrode includes: a plurality of inner electrodes provided in the second portions, and an outer electrode connecting the inner electrodes and surrounding ends of the first portions in a plan view.