MC-23 POSITION ERROR REDUCTION IN MAGNETIC DISK DRIVES USING A HEAD GIMBAL ASSEMBLY WITH RADIAL HEAD MOTION CAPABILITY

概要

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In high-capacity disk drives with ever-growing track density, the allowable level of position error signal (PES) is becoming smaller and smaller. A substantial portion of the PES is caused by disk vibration. This can be reduced by using a head gimbal assembly that does not confine the movement of slider roll center to the vertical direction to disks, but allows movement to the radial direction of disks with respect to disk vibration.
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