发明名称 |
Spindle motor and method for manufacturing same |
摘要 |
A spindle motor comprises a rotor, which is rotatably supported by a stator, a rotor yoke, which is made up of a magnet fixed onto the rotor and a drive magnet, which is made of a bonded magnet which is adhesively fixed onto the rotor. A first metallic layer is formed onto a surface on the rotor yoke facing the drive magnet. A second metallic layer is formed on a surface of the drive magnet facing the rotor yoke.
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申请公布号 |
US6031310(A) |
申请公布日期 |
2000.02.29 |
申请号 |
US19980013856 |
申请日期 |
1998.01.27 |
申请人 |
SANKYO SEIKO MFG. CO., LTD. |
发明人 |
ISHIKAWA, MASAYUKI;NIWA, SHINICHI |
分类号 |
H02K1/27;H02K15/03;H02K21/22;(IPC1-7):H02K21/12 |
主分类号 |
H02K1/27 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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