Title:
焼結磁石の製造方法
Document Type and Number:
Japanese Patent JP7164250
Kind Code:
B2
Abstract:
A method for manufacturing a sintered magnet according to one embodiment of the present disclosure includes the steps of: producing an R-T-B-based magnetic powder through a reduction-diffusion method; and sintering the R-T-B-based magnetic powder, wherein the R is a rare earth element, and the T is a transition metal, and wherein the step of producing the magnetic powder includes a step of adding a refractory metal sulfide powder to the R-T-B-based raw material.
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Inventors:
Tae Hoon Kim
Sun Jae Kwon
Ikjin Choi
Inkyu Kim
Eun Jong Shin
Sun Ho Mun
Jacu Chun
Sun Jae Kwon
Ikjin Choi
Inkyu Kim
Eun Jong Shin
Sun Ho Mun
Jacu Chun
Application Number:
JP2021531591A
Publication Date:
November 01, 2022
Filing Date:
October 07, 2020
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
H01F41/02; B22F1/00; B22F1/14; B22F3/00; B22F9/04; B22F9/20; C22C28/00; C22C38/00; H01F1/057
Domestic Patent References:
JP2019009313A | ||||
JP7283016A | ||||
JP8316014A | ||||
JP3198304A | ||||
JP2000223306A |
Foreign References:
WO2019107929A1 | ||||
KR1020180004476A | ||||
US20150251248 |
Attorney, Agent or Firm:
Shinya Mihiro
Takashi Watanabe
Takashi Watanabe
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