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:
Jul. 30, 2013
Filed:
Mar. 25, 2009
Applicants:
Yoshihiro Seimiya, Hino, JP;
Kanji Otsuka, Higashiyamato, JP;
Ai Mizuno, Hino, JP;
Inventors:
Assignee:
Tama-TLO Ltd, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D 27/00 (2006.01); C22B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing a massive mixture of aluminum nitride and aluminum includes a first heat treatment process of manufacturing the massive mixture of aluminum nitride and aluminum by heating aluminum powder () and aluminum pieces () inserted into a vessel () at a temperature of a melting point of aluminum or higher under a nitrogen atmosphere. An oxide film is formed over the surface of the aluminum powder (). The oxide film is, for example, a natural oxide film. The weight ratio of the aluminum powder () to the aluminum pieces () is, for example, 0.1 or less.