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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 9053834 B1

PDFFull Text
Date of Patent:
Jun. 09, 2015

Filed:

Jul. 29, 2011

Silicon carbide single crystal and manufacturing method of the same

Applicants:

Fusao Hirose, Obu, JP;

Jun Kojima, Iwakura, JP;

Kazutoshi Kojima, Tsukuba, JP;

Tomohisa Kato, Tsukuba, JP;

Ayumu Adachi, Toyota, JP;

Koichi Nishikawa, Nagoya, JP;

Inventors:

Fusao Hirose, Obu, JP;

Jun Kojima, Iwakura, JP;

Kazutoshi Kojima, Tsukuba, JP;

Tomohisa Kato, Tsukuba, JP;

Ayumu Adachi, Toyota, JP;

Koichi Nishikawa, Nagoya, JP;

Assignees:

DENSO CORPORATION, Kariya, JP;

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;

Attorney:

Posz Law Group, PLC

Primary Examiner:

Mark Kopec

Int. Cl.
CPC ...
H01B 1/04 (2006.01); C30B 31/00 (2006.01); C30B 29/36 (2006.01); C30B 23/02 (2006.01); C30B 23/00 (2006.01);
U.S. Cl.
CPC ...
H01B 1/04 (2013.01); C30B 31/00 (2013.01); C30B 23/02 (2013.01); C30B 29/36 (2013.01); C30B 23/00 (2013.01);
Abstract

A silicon carbide single crystal includes nitrogen as a dopant and aluminum as a dopant. A nitrogen concentration is 2×10cmor higher and a ratio of an aluminum concentration to the nitrogen concentration is within a range of 5% to 40%.

Find Patent Forward Citations

Hirose, Fusao. (2015). Silicon carbide single crystal and manufacturing method of the same (U.S. Patent No. 9053834). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9053834

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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