Method and apparatus for cleaning disks

Details Method and apparatus for cleaning disks Method and apparatus for cleaning disks

1992-03-25

1994-09-27

Casaregola, Louis J.

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the record

360 69, 360128, G11B 1518

Patent

active

053511565

ABSTRACT:
The back edge of a disk drive slider is used to remove debris from disk media by slowly sweeping it from the inner diameter of the disk to the outer diameter of the disk while the disk is rotating backwards from normal. The sweeping operation is completed while the disks are still gaining rotational speed so that liftoff velocity is not achieved. Material accumulated on the back edge of the slider is either dumped at the outer diameter of the disk, or remains on the back edge of the slider as normal operation is commenced.

REFERENCES:
patent: 3366390 (1968-01-01), Applequist et al.
patent: 3609721 (1971-09-01), Meneley
patent: 4263634 (1981-01-01), Chenoweth et al.
patent: 4384311 (1983-05-01), McNeil
patent: 4490766 (1984-12-01), Hill et al.
patent: 4510541 (1985-04-01), Sasamoto
patent: 4594617 (1986-06-01), Tezuka

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