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:
Apr. 21, 2020
Filed:
Jan. 24, 2017
Applicant:
Minebea Mitsumi Inc., Kitasaku-gun, Nagano, JP;
Inventors:
Shiho Ohya, Fukuroi, JP;
Yu Okawara, Shizuka, JP;
Susumu Teraoka, Fukuroi, JP;
Toshinori Suzuki, Shuchi-gun, JP;
Akihiro Yamane, Fukuroi, JP;
Assignee:
MINEBEA MITSUMI INC., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 1/053 (2006.01); H01F 1/057 (2006.01); B22F 1/00 (2006.01); C22C 1/05 (2006.01); C22C 38/00 (2006.01); H01F 1/08 (2006.01); B22F 3/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/053 (2013.01); B22F 1/0003 (2013.01); B22F 1/0059 (2013.01); B22F 1/0074 (2013.01); C22C 1/05 (2013.01); C22C 38/002 (2013.01); C22C 38/005 (2013.01); H01F 1/0578 (2013.01); H01F 1/08 (2013.01); B22F 2003/023 (2013.01); B22F 2301/355 (2013.01);
Abstract
A rare earth bonded magnet comprises a rare earth-iron-based magnetic powder and a thermosetting resin composition. The thermosetting resin composition is obtained by blending a dicyclopentadiene type epoxy resin as a base resin and dicyandiamide as a curing agent. The dicyclopentadiene type epoxy resin includes a predetermined structure wherein an average value of a repeating unit n is 1 to 3.