Title:
PRODUCTION METHOD FOR PERMANENT MAGNET, AND PERMANENT MAGNET
Document Type and Number:
WIPO Patent Application WO/2023/120242
Kind Code:
A1
Abstract:
This production method for a permanent magnet comprises at least: a magnetized object formation step for forming a magnetized object (100) by applying a predetermined pressure to a magnet powder and a thermosetting resin; and a heating step for heating, to a temperature equal to or higher than the Curie point of the magnet powder, the magnetized object (100) that is placed on a base member (110) that is in a state of being in proximity to a permanent magnet (63) of a field magnet part (6), to magnetize the magnet powder and melt and cure the thermosetting resin for firmly attaching the magnetized object (100) to the base member (110).
Inventors:
OKAWARA YU (JP)
KOMURA HARUHIRO (JP)
KOMURA HARUHIRO (JP)
Application Number:
PCT/JP2022/045475
Publication Date:
June 29, 2023
Filing Date:
December 09, 2022
Export Citation:
Assignee:
MINEBEA MITSUMI INC (JP)
International Classes:
H01F41/02; H01F7/02; H01F13/00; H02K15/03
Domestic Patent References:
| WO2004027795A1 | 2004-04-01 |
Foreign References:
| JP2012049361A | 2012-03-08 | |||
| JP2006041138A | 2006-02-09 |
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
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