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.:
Date of Patent:
Aug. 26, 2025
Filed:
Mar. 30, 2021
Applicants:
Kwansei Gakuin Educational Foundation, Hyogo, JP;
Toyo Aluminium Kabushiki Kaisha, Osaka, JP;
Toyota Tsusho Corporation, Aichi, JP;
Inventors:
Tadaaki Kaneko, Sanda, JP;
Daichi Dojima, Sanda, JP;
Moeko Matsubara, Osaka, JP;
Yoshitaka Nishio, Osaka, JP;
Assignees:
KWANSEI GAKUIN EDUCATIONAL FOUNDATION, Hyogo, JP;
TOYO ALUMINIUM KABUSHIKI KAISHA, Osaka, JP;
TOYOTA TSUSHO CORPORATION, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 23/02 (2006.01); C01B 21/072 (2006.01); C30B 23/06 (2006.01); C30B 29/40 (2006.01); C30B 35/00 (2006.01);
U.S. Cl.
CPC ...
C01B 21/0728 (2013.01); C30B 23/066 (2013.01); C30B 29/403 (2013.01); C30B 35/007 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2006/11 (2013.01); C01P 2006/80 (2013.01);
Abstract
The purpose of the present is to provide a modified AlN source for suppressing downfall defects. This manufacturing method of a modified aluminum nitride source involves a heat treatment step for heat treating an aluminum nitride source and generating an aluminum nitride sintered body.