The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2024
Filed:
Oct. 07, 2020
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Tae Hoon Kim, Daejeon, KR;
Soon Jae Kwon, Daejeon, KR;
Ikjin Choi, Daejeon, KR;
Ingyu Kim, Daejeon, KR;
Eunjeong Shin, Daejeon, KR;
Seung Ho Moon, Daejeon, KR;
Jakyu Chun, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 1/057 (2006.01); B22F 3/10 (2006.01); B22F 3/24 (2006.01); C22C 1/05 (2023.01); H01F 41/02 (2006.01);
U.S. Cl.
CPC ...
H01F 1/0577 (2013.01); B22F 3/1003 (2013.01); B22F 3/24 (2013.01); C22C 1/058 (2013.01); H01F 1/0576 (2013.01); H01F 41/0266 (2013.01); H01F 41/0293 (2013.01); B22F 2301/355 (2013.01); B22F 2998/10 (2013.01); C22C 2202/02 (2013.01);
Abstract
A method for manufacturing a sintered magnet according to one embodiment of the present disclosure is provided. The method includes producing an R-T-B-based magnetic powder through a reduction-diffusion method, and sintering the R-T-B-based magnetic powder, wherein R is a rare earth element, and T is a transition metal, and wherein the producing the magnetic powder includes adding a refractory metal sulfide powder to a R-T-B-based raw material.