Method of preparing magnetic powder, and magnetic powder

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United States of America Patent

PATENT NO 11491545
APP PUB NO 20200222987A1
SERIAL NO

16648495

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Abstract

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A method of preparing magnetic powder includes preparing iron powder by a reduction reaction of iron oxide; preparing magnetic powder by heat-treating a molded article prepared by pressure-molding a mixture containing the iron powder, neodymium oxide, boron and calcium at a pressure of 22 MPa or more; and coating an organic fluoride on a surface of the magnetic powder.

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Patent Owner(s)

Patent OwnerAddress
LG CHEM LTD128 YEOUI-DAERO YEONGDEUNGPO-GU SEOUL 07336

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Ikjin Daejeon, KR 8 6
Kim, Ingyu Daejeon, KR 10 28
Kwon, Soon Jae Daejeon, KR 24 253
Uh, Hyounsoo Daejeon, KR 11 14

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