Recording disk drive capable of suppressing vibration of...

Details Recording disk drive capable of suppressing vibration of... Recording disk drive capable of suppressing vibration of...

2007-01-26

2008-11-18

Norris, Jeremy C (Department: 2841)

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

C361S749000, C174S260000

Reexamination Certificate

active

07453046

ABSTRACT:
A fixing member is spaced from a head actuator by a predetermined distance. A flexible printed circuit board extends at least from the head actuator to the fixing member. The flexible printed circuit board is superposed on the surface of the fixing member. A viscoelastic layer and a protecting layer are overlaid on the surface of the flexible printed circuit board. A clip clips all the fixing member, the flexible printed circuit board, the viscoelastic layer and the protecting layer together. When a head slider is positioned, the head actuator changes its attitude relative to a recording disk. The inertial force based on the rotation causes the first flexible printed circuit board to vibrate when the actuator block stops rotating. The viscoelastic layer serves to absorb this residual vibration of the first flexible printed circuit board. Vibration of the flexible printed circuit board can be suppressed.

REFERENCES:
patent: 5386087 (1995-01-01), Lee et al.
patent: 2002/0050397 (2002-05-01), Sakamoto et al.
patent: 2002/0179327 (2002-12-01), Araki
patent: 2002/0185304 (2002-12-01), Sakai et al.
patent: 2001-222881 (2001-08-01), None
patent: 2001-263316 (2001-09-01), None

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