| 发明名称 |
Permanentmagnet, Verfahren zu seiner Herstellung, Rotor und Motor |
| 摘要 |
A permanent magnet comprises a hard magnetic material that contains at least a rare earth element and an anti-ferromagnetic material, wherein the hard magnetic material and the anti-ferromagnetic material are magnetically coupled. A volume ratio of the anti-ferromagnetic material is 20% or less, based on the permanent magnet. |
| 申请公布号 |
DE10310572(B4) |
申请公布日期 |
2008.04.10 |
| 申请号 |
DE2003110572 |
申请日期 |
2003.03.11 |
| 申请人 |
HITACHI LTD. |
发明人 |
KOMURO, MATAHIRO;KOMURO, KATSUHIRO |
| 分类号 |
B22F1/00;H01F1/09;B22F3/02;C22C33/02;C22C38/00;H01F1/053;H01F1/08;H01F41/02;H02K1/02;H02K1/22;H02K1/27;H02K15/03 |
主分类号 |
B22F1/00 |
| 代理机构 |
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代理人 |
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