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:
Nov. 18, 2025

Filed:

Feb. 23, 2022
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Yosuke Kajiwara, Yokohama, JP;

Masahiko Kuraguchi, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10D 30/47 (2025.01); H10D 30/01 (2025.01); H10D 62/824 (2025.01); H10D 62/85 (2025.01);
U.S. Cl.
CPC ...
H10D 30/475 (2025.01); H10D 30/015 (2025.01); H10D 30/476 (2025.01); H10D 62/824 (2025.01); H10D 62/8503 (2025.01);
Abstract

According to one embodiment, a semiconductor device includes first to third electrodes, first and second semiconductor regions, a nitride region, and a first insulating member. The third electrode includes a first electrode portion. The first electrode portion is between the first electrode and the second electrode. The first semiconductor region includes first to sixth partial regions. The fourth partial region is between the first and third partial regions. The fifth partial region is between the third and second partial regions. The sixth partial region is between the fifth and second partial regions. The second semiconductor region includes first and second semiconductor portions. The second semiconductor portion is in contact with the fifth partial region. The nitride region includes a first nitride portion being in contact with the sixth partial region. The first insulating member includes a first insulating region between the third partial region and the first electrode portion.


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