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PREPARATION OF RARE EARTH PERMANENT MAGNET 发明申请

2022-12-28 2670 496K 0

专利信息

申请日期 2025-06-26 申请号 KR1020150020909
公开(公告)号 KR1020150098196A 公开(公告)日 2015-08-27
公开国别 KR 申请人省市代码 全国
申请人 SHIN ETSU CHEMICAL CO LTD
简介 Part of a sintered magnet body is dipped in an electroplating path of powder dispersed in a solvent with R1-Fe-B composition (R1 is a rare-earth element). The powder includes oxide, fluoride, oxyfluoride, hydride, or rare-earth alloy. An electroplating process is performed to attach the powder onto the surface of the magnet body. A thermal process is performed on the magnet body and the powder attached on it at a lower temperature than a sintering temperature under vacuum or inert gas. Thereby, a rare-earth permanent magnet is manufactured.COPYRIGHT KIPO 2015


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