MC-38 Development of a Low-profile, Small-diameter HDD Motor for Mobile Applications

概要

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A low-profile, small-diameter HDD motor for mobile application with fluid dynamic bearing had been developed. The thickness between the bottom of the motor and the top of the disk is 1.9mm. Although the radial bearing length is rather short, disk axial vibration can be reduced with optimization of thrust bearing structure. Magnetic noise from motor to head can be reduced with thin shield plate.
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