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:
Nov. 19, 2024
Filed:
Sep. 27, 2019
Applicant:
Nichia Corporation, Anan, JP;
Inventor:
Shuichi Tada, Anan, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/055 (2006.01); C22C 38/00 (2006.01); H01F 1/059 (2006.01); H01F 41/02 (2006.01); H02K 1/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/0551 (2013.01); C22C 38/005 (2013.01); H01F 1/059 (2013.01); H01F 41/0253 (2013.01); C22C 2200/02 (2013.01); C22C 2202/02 (2013.01); H02K 1/02 (2013.01); Y10T 428/32 (2015.01);
Abstract
The present invention provides a bonded magnet having good heat resistance. The present invention relates to a bonded magnet containing a SmFeN magnetic powder, nylon 12, and a hexafluoroisopropanol-unextractable component. The present invention also relates to a method of preparing a bonded magnet, including: bringing a raw material bonded magnet containing a SmFeN magnetic powder and nylon 12 into contact with an amorphizing agent; and heat-treating the raw material bonded magnet in contact with the amorphizing agent.