Disk device

Details Disk device Disk device

2005-12-27

2005-12-27

Cao, Allen (Department: 2652)

Dynamic optical information storage or retrieval

Particular cabinet structure for optical media

Arrangement of internal or external components

C720S601000

Reexamination Certificate

active

06981271

ABSTRACT:
A disk device for improving a S/N ratio is provided with a spindle motor control substrate10arranged below a tray3via a buffer material and a medium substrate12arranged at a position different from the spindle motor control substrate10below the tray3. The spindle motor control substrate10, the medium substrate12and the main control substrate7of the device body are connected each other with a flexible print circuit (FPC)9. The medium substrate12and a pickup head1care connected with other FPC. The head detection signal is provided to the main control substrate7through the medium substrate12. A driver IC for motor drive system is carried on the spindle motor control substrate10. The motor drive signal is apart from the head detection signal and is provided to a spindle motor1aor a head transferring motor.

REFERENCES:
patent: 6151284 (2000-11-01), Watanabe et al.
patent: 2003/0193787 (2003-10-01), Manabe et al.
patent: 2004/0093609 (2004-05-01), Choi
patent: 2004/0111732 (2004-06-01), Park et al.
patent: 2004/0111733 (2004-06-01), Bae
patent: 2004/0205785 (2004-10-01), Takahashi et al.
patent: 2004/0250268 (2004-12-01), Togawa
patent: 2004/0261088 (2004-12-01), Hsu et al.
patent: 2001-229659 (2001-08-01), None

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