Dynamic pressure bearing device, spindle motor, disk drive...

Details Dynamic pressure bearing device, spindle motor, disk drive... Dynamic pressure bearing device, spindle motor, disk drive...

2006-11-14

2006-11-14

Footland, Lenard A. (Department: 3682)

Bearings

Rotary bearing

Fluid bearing

C384S121000

Reexamination Certificate

active

07134791

ABSTRACT:
A dynamic pressure bearing device and a spindle motor used for a magnetic disk drive device capable of increasing an impact resistance, reducing A-PRO (oscillating motion of shaft), reducing a variation in rigidity of bearings against a variation in temperature, suppressing a current loss, and reducing a size and a thickness.

REFERENCES:
patent: 6010246 (2000-01-01), Gomyo et al.
patent: 2002/0074880 (2002-06-01), Young
patent: 2001-254732 (2000-02-01), None
patent: 2001-289242 (2000-04-01), None
patent: 2002-005173 (2000-06-01), None
patent: 2002-018543 (2000-06-01), None
patent: 2002-147443 (2000-11-01), None
patent: 2002-084727 (2002-02-01), None
patent: WO/75522 (2000-06-01), None

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