| 发明名称 |
PERMANENT MAGNET, METHOD OF MANUFACTURING PERMANENT MAGNET, AND DEVICE USING PERMANENT MAGNET |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To increase the magnetic field (magnetic flux) of a permanent magnet. Ž<P>SOLUTION: The permanent magnet 20 has an air gap grove 26 formed at at least on one of the N pole and S pole. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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| 申请公布号 |
JP2010080485(A) |
申请公布日期 |
2010.04.08 |
| 申请号 |
JP20080243925 |
申请日期 |
2008.09.24 |
| 申请人 |
SEIKO EPSON CORP |
发明人 |
TAKEUCHI KESATOSHI |
| 分类号 |
H01F7/02;H01F41/02;H02K1/22;H02K1/27 |
主分类号 |
H01F7/02 |
| 代理机构 |
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