Disc drive device having negative pressure pad

Details Disc drive device having negative pressure pad Disc drive device having negative pressure pad

1994-01-03

1994-10-25

Westin, Edward P.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

360102, G11B 1560

Patent

active

053595904

ABSTRACT:
A disc drive device which comprises a negative-pressure pad for generating a negative pressure between the negative-pressure pad and a disc-shaped recording medium by the rotation of the disc-shaped recording medium and a displacement member for bringing the negative-pressure pad and a surface of the disc-shaped recording medium close to each other at least once after the disc-shaped recording medium has started to rotate.

REFERENCES:
patent: 4578727 (1986-03-01), Hills
patent: 4620250 (1986-10-01), Hills
patent: 4998175 (1991-03-01), Yoshimori et al.
patent: 5005098 (1991-04-01), Kanada
patent: 5034933 (1991-07-01), Fujisawa et al.

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