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:
Oct. 21, 2025
Filed:
Jan. 25, 2021
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Shoichi Yamada, Anan, JP;
Takeshi Kihara, Tokushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 1/05 (2022.01); B22F 3/105 (2006.01); B22F 3/14 (2006.01); C09K 5/14 (2006.01);
U.S. Cl.
CPC ...
C09K 5/14 (2013.01); B22F 1/05 (2022.01); B22F 3/105 (2013.01); B22F 3/14 (2013.01); B22F 2003/1051 (2013.01); B22F 2301/10 (2013.01); B22F 2302/406 (2013.01); B22F 2304/10 (2013.01);
Abstract
A method of producing a composite material, the method including: preparing a mixed powder of diamond particles and copper powder particles; and generating a composite material containing diamond and copper from the mixed powder by pulsed electric current sintering with a pressure of 5 MPa or greater and 100 MPa or less applied to the mixed powder, and the mixed powder maintained at a temperature equal to or higher than 500° C. and lower than 800° C.