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.
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
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