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:
Aug. 04, 2020

Filed:

Jun. 19, 2017
Applicant:

Stanley Electric Co., Ltd., Meguro-ku, Tokyo, JP;

Inventors:

Yoshinao Kumagai, Tokyo, JP;

Hisashi Murakami, Tokyo, JP;

Toru Kinoshita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/32 (2010.01); C30B 29/40 (2006.01);
U.S. Cl.
CPC ...
C30B 29/406 (2013.01); H01L 33/0075 (2013.01); H01L 33/325 (2013.01); H01L 2933/0016 (2013.01);
Abstract

A group III nitride laminate having monocrystalline n-type AlGaN (0.7≤X≤1.0) and an electrode is provided. The group III nitride laminate is characterized in that an n-type contact layer made of (AlGa)O(0.0≤Y<0.3) is provided between the monocrystalline n-type AlGaN (0.7≤X≤1.0) and the electrode. Furthermore, a vertical semiconductor device including the above-described group III nitride laminate is provided.


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