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.

Date of Patent:
Sep. 23, 2025

Filed:

Jan. 23, 2023
Applicant:

Fuji Electric Co., Ltd., Kawasaki, JP;

Inventors:

Masakazu Baba, Matsumoto, JP;

Shinsuke Harada, Tsukuba, JP;

Assignee:

FUJI ELECTRIC CO., LTD., Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10D 62/83 (2025.01); H10D 30/66 (2025.01); H10D 62/832 (2025.01); H10D 84/00 (2025.01);
U.S. Cl.
CPC ...
H10D 62/8325 (2025.01); H10D 30/668 (2025.01); H10D 84/146 (2025.01);
Abstract

A semiconductor device having a connecting region between an active region and an edge region. The semiconductor device including a semiconductor substrate, a first semiconductor layer provided on the semiconductor substrate, a second semiconductor layer provided on the first semiconductor layer, a plurality of first semiconductor regions selectively provided in the second semiconductor layer, a plurality of first and second trenches penetrating through the first semiconductor regions and the second semiconductor layer, a plurality of gate electrodes provided in the first trenches, via a plurality of gate insulating films, respectively, and a plurality of Schottky electrodes respectively provided in the second trenches. The semiconductor substrate, the first and second semiconductor layers, the first semiconductor regions, the first trenches, the gate electrodes and the gate insulating films are provided in the active region. The second trenches and the Schottky electrodes are provided in both the active region and the connecting region.


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