Method of producing sintered magnet

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United States of America Patent

PATENT NO 12205738
APP PUB NO 20220310292A1
SERIAL NO

17635801

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of producing a sintered magnet is disclosed herein. In some embodiments, a method of producing a sintered magnet comprises, sintering a R—Fe—B based magnetic powder to produce a sintered magnet; wherein the R is Nd, Pr, Dy, Ce or Tb, and infiltrating a eutectic alloy into the sintered magnet, wherein the eutectic alloy contains Pr, Al, Cu and Ga, and wherein infiltration the eutectic alloy includes applying the eutectic alloy to the sintered magnet and heat-treating the sintered magnet to which the eutectic alloy is applied.

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Patent Owner(s)

  • LG CHEM, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choe, Jinhyeok Daejeon, KR 6 4
Choi, Ikjin Daejeon, KR 8 6
Kim, Ingyu Daejeon, KR 10 28
Kim, Tae Hoon Daejeon, KR 359 1533
Kwon, Soon Jae Daejeon, KR 24 253
Shin, Eunjeong Daejeon, KR 9 8
Sung, Nakheon Daejeon, KR 2 0
Uh, Hyounsoo Daejeon, KR 11 14

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