| 发明名称 |
POWDER FOR PERMANENT MAGNET, METHOD FOR ITS PRODUCTION AND ANISOTROPIC PERMANENT MAGNET MADE USING SAID POWDER |
| 摘要 |
A base material is needle-like fine particles of Fe or an Fe alloy containing Co. A hard magnetic layer containing Fe, Sm and N is provided on the surface of the needle-like fine particles and a separation layer made of an oxide of a rare earth element is provided outside the hard magnetic layer.
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| 申请公布号 |
WO9820507(A1) |
申请公布日期 |
1998.05.14 |
| 申请号 |
WO1997JP04012 |
申请日期 |
1997.11.04 |
| 申请人 |
SANTOKU METAL INDUSTRY CO., LTD.;MURAKAMI, RYO |
发明人 |
MURAKAMI, RYO |
| 分类号 |
B22F1/00;B22F1/02;C22C38/00;H01F1/03;H01F1/053;H01F1/059;H01F1/06;H01F41/02;(IPC1-7):H01F1/06;H01F1/08 |
主分类号 |
B22F1/00 |
| 代理机构 |
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代理人 |
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