Invention Grant
US08638510B2 Voice coil motor, coil block for voice coil motor, method of manufacturing the coil block, and voice coil motor having the coil block 有权
音圈马达,音圈马达用线圈块,线圈块的制造方法以及具有线圈块的音圈马达

Voice coil motor, coil block for voice coil motor, method of manufacturing the coil block, and voice coil motor having the coil block
Abstract:
A VCM (voice coil motor) is disclosed, the VCM including: a rotor including a lens-fixing hollow holed bobbin including a coil discharge unit formed from a peripheral upper end to a peripheral bottom end facing the peripheral upper end, and a coil block arranged at a periphery of the bobbin and including a cylindrically wound coil; a stator including a magnet facing the coil block and a yoke fixing the magnet; a case including a bottom case arrange with the bobbin and an upper case coupled to the bottom case and having an opening at a portion corresponding the bobbin; and an elastic member elastically supporting an upper end of the bobbin and a bottom end facing the upper end of the bobbin, wherein a distal end of the coil arranged at an upper end of the coil block employs the coil discharge unit to be discharged to a bottom end of the bobbin.
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