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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.:

US 11396716 B1

PDFFull Text
Date of Patent:
Jul. 26, 2022

Filed:

Jul. 10, 2019

Group-iii nitride substrate containing carbon at a surface region thereof

Applicants:

Osaka University, Osaka, JP;

Panasonic Corporation, Osaka, JP;

Inventors:

Yusuke Mori, Osaka, JP;

Masashi Yoshimura, Osaka, JP;

Masayuki Imanishi, Osaka, JP;

Akira Kitamoto, Osaka, JP;

Junichi Takino, Osaka, JP;

Tomoaki Sumi, Osaka, JP;

Yoshio Okayama, Osaka, JP;

Assignees:

OSAKA UNIVERSITY, Osaka, JP;

PANASONIC HOLDINGS CORPORATION, Osaka, JP;

Attorney:

McDermott Will & Emery LLP

Primary Examiner:

Kenneth A Bratland, Jr

Int. Cl.
CPC ...
C30B 29/40 (2006.01); C30B 25/14 (2006.01); C30B 25/10 (2006.01); C30B 25/08 (2006.01);
U.S. Cl.
CPC ...
C30B 29/406 (2013.01); C30B 25/08 (2013.01); C30B 25/10 (2013.01); C30B 25/14 (2013.01);
Abstract

A group-III nitride substrate includes: a base material part of a group-III nitride including a front surface, a back surface, and an inner layer between the front surface and the back surface, wherein the carbon concentration of the front surface of the base material part is higher than the carbon concentration of the inner layer.

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Mori, Yusuke. (2022). Group-iii nitride substrate containing carbon at a surface region thereof (U.S. Patent No. 11396716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11396716

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