Magnetic recording disk having a lubicant reservoir on the inner

Details Magnetic recording disk having a lubicant reservoir on the inner Magnetic recording disk having a lubicant reservoir on the inner

1994-07-27

1998-07-07

Resan, Stevan A.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428192, 428213, 428408, 428422, 428457, 428694TP, 428694TC, 428694TF, 428900, 360135, G11B 0582

Patent

active

057765774

ABSTRACT:
In a magnetic recording apparatus, a magnetic recording medium has a disk body and a lubricant covering not only the opposite major surfaces but also the inner circumferential edge of the disk body. The medium prevents the lubricant from flying about despite the spinning thereof and, therefore, remains mechanically durable over a long period of time.

REFERENCES:
patent: 4581270 (1986-04-01), Kato et al.
patent: 4840843 (1989-06-01), Sano et al.
patent: 5000864 (1991-03-01), Strepparola et al.
patent: 5080971 (1992-01-01), Yokoyama et al.
patent: 5113302 (1992-05-01), Shimizu et al.
patent: 5157066 (1992-10-01), Shoj et al.
patent: 5331487 (1994-07-01), Gregory et al.
patent: 5520981 (1996-05-01), Yang et al.

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