发明申请
- 专利标题： Rare earth element magnet
- 专利标题（中）： 稀土元素磁铁
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申请号： US12149624申请日： 2008-05-06
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公开(公告)号： US20080317620A1公开(公告)日： 2008-12-25
- 发明人: Hiroyuki Suzuki , Takao Imagawa , Yuichi Satsu , Matahiro Komuro , Takashi Yasuhara , Yutaka Matsunobu
- 申请人： Hiroyuki Suzuki , Takao Imagawa , Yuichi Satsu , Matahiro Komuro , Takashi Yasuhara , Yutaka Matsunobu
- 专利权人： Hitachi, Ltd.
- 当前专利权人： Hitachi, Ltd.
- 优先权： JP2007-122945 20070508
- 主分类号： B22F1/02
- IPC分类号： B22F1/02 ; C22C28/00
摘要：
A rare earth element magnet comprising molded magnetic powder containing at least one rare earth element, wherein a Fe rich phase covering a part or entire of the surface of particles of the magnetic powder and having a Fe atomic percentage larger than that of the magnetic powder, and an inorganic binder bonding the particles covered with the Fe rich phase.
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