Spindle motor, and recording and reproducing apparatus...

Details Spindle motor, and recording and reproducing apparatus... Spindle motor, and recording and reproducing apparatus...

2011-04-26

2011-04-26

Blouin, Mark (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

07933093

ABSTRACT:
The spindle motor comprises a shaft, a rotor, and a medium-carrying surface. The rotor is disposed on the outer peripheral side of the shaft, and rotates about the shaft. The medium-carrying surface is disposed on the rotor, and carries a circular-disk-form recording medium. The recording medium is pressed and fastened to the medium-carrying surface by a clamping member. The clamping member is a member that presses the recording medium against a medium-carrying surface. The average value of the widths of the profile peaks in the mean line for the primary profile of the medium-carrying surface in the radial direction is smaller than the average value of the widths of the profile valleys.

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patent: 2007/0159717 (2007-07-01), Miyajima et al.
patent: 5-59640 (1993-08-01), None
patent: 2006-155864 (2006-06-01), None

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