发明授权
- 专利标题： Voice coil motor and disk drive unit with the same
- 专利标题（中）： 音圈电机和磁盘驱动单元相同
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申请号： US11892299申请日： 2007-08-21
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公开(公告)号： US07990658B2公开(公告)日： 2011-08-02
- 发明人: YanChu Xu , JianFeng Xu , LingJun Kong , Lei Yu , Qiang Zhao
- 申请人： YanChu Xu , JianFeng Xu , LingJun Kong , Lei Yu , Qiang Zhao
- 申请人地址： CN Hong Kong
- 专利权人： SAE Magnetics (H.K.) Ltd.
- 当前专利权人： SAE Magnetics (H.K.) Ltd.
- 当前专利权人地址： CN Hong Kong
- 代理机构： Nixon & Vanderhye P.C.
- 优先权： CN200710127874.3 20070709
- 主分类号： G11B5/55
- IPC分类号： G11B5/55
摘要：
A voice coil motor for a disk drive includes a permanent magnet, a voice coil adapted to move in an arc proximate to the permanent magnet, a top plate positioned above the voice coil, and a bottom plate positioned below the voice coil. The permanent magnet has two halves that are magnetized in opposite direction. The two halves of the magnet are split into a right half magnet portion and a left half magnet portion. The right half magnet portion and the left half magnet portion are attached to the top plate and the bottom plate respectively at opposite sides of the voice coil motor. The invention also discloses a disk drive unit with such VCM.
公开/授权文献
- US20090015968A1 Voice coil motor and disk drive unit with the same 公开/授权日：2009-01-15
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