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Title:
R-T-B-BASED SINTERED MAGNET
Document Type and Number:
WIPO Patent Application WO/2015/002280
Kind Code:
A1
Abstract:
An R-T-B-based sintered magnet having R2T14B crystal grains which is characterised by having R-Co-Cu-N concentration sections within grain boundaries formed by two or more adjacent R2T14B crystal grains, said R-Co-Cu-N concentration sections having a higher concentration of R, Co, Cu, and N than in the R2T14B crystal grains.

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Inventors:
MIWA MASASHI (JP)
NAKAJIMA HARUNA (JP)
MITAKE KOJI (JP)
ISHIZAKA CHIKARA (JP)
Application Number:
PCT/JP2014/067838
Publication Date:
January 08, 2015
Filing Date:
July 03, 2014
Export Citation:
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Assignee:
TDK CORP (JP)
International Classes:
H01F1/057; H01F1/08; H01F41/02
Domestic Patent References:
WO2004029995A12004-04-08
Foreign References:
JP2003031409A2003-01-31
JP2012028704A2012-02-09
JP2011210823A2011-10-20
JP2006165008A2006-06-22
JPH07272914A1995-10-20
JP2011258935A2011-12-22
Attorney, Agent or Firm:
MAEDA & SUZUKI (JP)
Maeda and a Suzuki international patent business corporation (JP)
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