Magnetic disk unit

Details Magnetic disk unit Magnetic disk unit

1995-02-07

1997-05-06

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 1732

Patent

active

056276990

ABSTRACT:
To provide a lubricant supply being capable of supplying adequate lubricant over a long period in a magnetic disk unit comprising a lubricant supply to reduce friction between a magnetic disk and magnetic head. A unit of the invention can supply lubricant uniformly to a magnetic disk, and easily controls supply volume. This comprises a material impregnated with lubricant having sufficient lubricant to supply over a long period, a thin film to supply predetermined lubricant to a disk surface, the film permeable by lubricant from the material impregnated with lubricant, and a clamp assembly to fix the material impregnated with lubricant and the thin film to the disk. The thin film is fixed on the disk and compressed by a compression part formed at the edge of the clamp assembly. The degree of compression controls lubricant supply to the disk.

REFERENCES:
patent: 4789913 (1988-12-01), Gregory et al.
patent: 5138506 (1992-08-01), Beck et al.
patent: 5193046 (1993-03-01), Lemke et al.
patent: 5202803 (1993-04-01), Albrecht et al.
patent: 5317463 (1994-05-01), Lemke et al.
patent: 5381284 (1995-01-01), Gregory et al.
patent: 5396383 (1995-03-01), Gregory et al.
patent: 5488521 (1996-01-01), Lemke et al.
patent: 5543983 (1996-08-01), Gregory et al.

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