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Disk drive having actuator motion damper via histeresis energy loss of low energy magnet placed within magnetic field of a voice coil motor
Disk drive having actuator motion damper via histeresis energy loss of low energy magnet placed within magnetic field of a voice coil motor
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机译:具有通过音圈电动机的磁场中的低能量磁体的磁滞能量损失而具有致动器运动阻尼器的磁盘驱动器
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摘要
A disk drive includes a disk having a recording surface and a head stack assembly that includes an actuator body; an actuator arm cantilevered from the actuator body and including a head for reading and writing on the recording surface; a coil cantilevered from the actuator body in an opposite direction from the actuator arm, the coil defining a first leg and a second leg and a damping magnet disposed between the first and second legs. The damping magnet is configured to exert a damping force on the head stack assembly that is greater when the head is at a predetermined non-operational position than when the head is over the recording surface.
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