US Patent 11978576 Method for preparing sintered magnet and sintered magnet
Patent 11978576 was granted and assigned to LG Chem on May, 2024 by the United States Patent and Trademark Office.
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US Patent 11978576 Method for preparing sintered magnet and sintered magnet
Article
Patent abstract
A method for preparing a sintered magnet is provided according to one embodiment of the present disclosure. The method includes preparing a mixed powder by coating fluorides on a surface of magnetic powder, adding heavy rare earth hydrides to the mixed powder, and heating the mixed powder, wherein the magnetic powder includes rare earth element-iron-boron-based powder, and the fluorides include at least one of an organic fluoride or an inorganic fluoride.
Infobox
Is a
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hyounsoo Uh0
Ik Jin Choi0
In Gyu Kim0
Jung Goo Lee0
Soon Jae Kwon0
Date of Patent
May 7, 2024
0Patent Application Number
157340800
Date Filed
October 21, 2019
0Patent Citations
Patent Primary Examiner
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