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    • 2. 发明申请
    • Torsion compensation coil for voice coil motor of disk drive device, and method of making the same
    • 磁盘驱动装置的音圈马达的扭转补偿线圈及其制造方法
    • US20080291563A1
    • 2008-11-27
    • US11802329
    • 2007-05-22
    • Francisco ObregonMark S. SeymourJohn E. Scura
    • Francisco ObregonMark S. SeymourJohn E. Scura
    • G11B21/02
    • G11B5/5521
    • Certain example embodiments relate to torsion compensation coils that cooperate with primary coils in voice coil motors of disk drive devices, and methods of making the same. In certain example embodiments, a voice coil motor is provided which may include a single external magnet. A primary coil may be located above the external magnet, with the primary coil being capable of receiving a first current. At least one torsion compensation coil may be connected to the primary coil. The at least one torsion compensation coil may be capable of receiving a second current. The at least one torsion compensation coil may be configured to reduce torsion and/or bending forces introduced by the first current passing through primary coil and/or magnetic field leakage from the external magnet.
    • 某些示例性实施例涉及与盘驱动装置的音圈马达中的初级线圈配合的扭转补偿线圈及其制造方法。 在某些示例性实施例中,提供了可以包括单个外部磁体的音圈电动机。 初级线圈可以位于外部磁体上方,初级线圈能够接收第一电流。 至少一个扭转补偿线圈可以连接到初级线圈。 所述至少一个扭转补偿线圈可以能够接收第二电流。 所述至少一个扭转补偿线圈可以被配置为减少由穿过初级线圈的第一电流和/或来自外部磁体的磁场泄漏引入的扭转和/或弯曲力。
    • 3. 发明授权
    • Torsion compensation coil for voice coil motor of disk drive device, and method of making the same
    • 磁盘驱动装置的音圈马达的扭转补偿线圈及其制造方法
    • US07920360B2
    • 2011-04-05
    • US11802329
    • 2007-05-22
    • Francisco ObregonMark S. SeymourJohn E. Scura
    • Francisco ObregonMark S. SeymourJohn E. Scura
    • G11B21/02
    • G11B5/5521
    • Certain example embodiments relate to torsion compensation coils that cooperate with primary coils in voice coil motors of disk drive devices, and methods of making the same. In certain example embodiments, a voice coil motor is provided which may include a single external magnet. A primary coil may be located above the external magnet, with the primary coil being capable of receiving a first current. At least one torsion compensation coil may be connected to the primary coil. The at least one torsion compensation coil may be capable of receiving a second current. The at least one torsion compensation coil may be configured to reduce torsion and/or bending forces introduced by the first current passing through primary coil and/or magnetic field leakage from the external magnet.
    • 某些示例性实施例涉及与盘驱动装置的音圈马达中的初级线圈配合的扭转补偿线圈及其制造方法。 在某些示例性实施例中,提供了可以包括单个外部磁体的音圈电动机。 初级线圈可以位于外部磁体上方,初级线圈能够接收第一电流。 至少一个扭转补偿线圈可以连接到初级线圈。 所述至少一个扭转补偿线圈可以能够接收第二电流。 所述至少一个扭转补偿线圈可以被配置为减少由穿过初级线圈的第一电流和/或来自外部磁体的磁场泄漏引入的扭转和/或弯曲力。