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Patent Searching and Data


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.

Inventors:
Tae Hoon Kim
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:
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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