发明名称 永久磁石の製造方法、および永久磁石の製造装置
摘要 In a production method for permanent magnet, a magnetic powder is loaded into a cavity formed in a groove shape whose longitudinal direction horizontally extends. A loading step of loading the magnetic powder includes a first loading step of loading, of the magnetic powder, a first magnetic powder containing no heavy rare earth element or containing a heavy rare earth element, and a second loading step of loading, of the magnetic powder, a second magnetic powder having a higher content rate of heavy rare earth element than that of the first magnetic powder, at a predetermined position in the cavity.
申请公布号 JP5963870(B2) 申请公布日期 2016.08.03
申请号 JP20140534399 申请日期 2013.09.05
申请人 三菱電機株式会社 发明人 古澤 公康;鵜飼 義一;秋田 裕之
分类号 H01F41/02;B22F3/00;B22F3/02;B22F7/06;C22C33/02;C22C38/00;H01F1/057;H01F1/08;H02K1/27;H02K15/03 主分类号 H01F41/02
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