Title:
RARE EARTH SINTERED MAGNET, METHOD FOR PRODUCING RARE EARTH SINTERED BODY, METHOD FOR PRODUCING RARE EARTH SINTERED MAGNET, AND LINEAR MOTOR USING RARE EARTH SINTERED MAGNET
Document Type and Number:
WIPO Patent Application WO/2018/186478
Kind Code:
A1
Abstract:
Provided is a rare earth sintered magnet in which a plurality of magnetic material particles has been sintered, wherein the maximum value of the surface magnetic flux density falls in the range of 350 mT to 600 mT, the thickness falls in the range of 1.5 mm to 6 mm, a cross-section parallel to the thickness direction is non-circular, and an easily magnetized axis of the magnetic material particles with respect to the cross-section has a polar anisotropically oriented area.
Inventors:
FUJIKAWA KENICHI (JP)
YAMAMOTO TAKASHI (JP)
SAITO SHOICHIRO (JP)
OZAKI TAKASHI (JP)
KUME KATSUYA (JP)
HIRANO YUKI (JP)
YAMAMOTO TAKASHI (JP)
SAITO SHOICHIRO (JP)
OZAKI TAKASHI (JP)
KUME KATSUYA (JP)
HIRANO YUKI (JP)
Application Number:
PCT/JP2018/014632
Publication Date:
October 11, 2018
Filing Date:
April 05, 2018
Export Citation:
Assignee:
NITTO DENKO CORP (JP)
International Classes:
H01F7/02; H01F1/057; H01F41/02; H02K15/03; H02K41/02
Domestic Patent References:
| WO2015121917A1 | 2015-08-20 |
Foreign References:
| JP2005317845A | 2005-11-10 | |||
| JPS6427208A | 1989-01-30 | |||
| JP2004297843A | 2004-10-21 | |||
| JP2010104136A | 2010-05-06 | |||
| JP2010166703A | 2010-07-29 | |||
| JP2004297843A | 2004-10-21 | |||
| JP2017076612A | 2017-04-20 |
Other References:
See also references of EP 3608926A4
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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