Surface structure of a magnetic disk

Details Surface structure of a magnetic disk Surface structure of a magnetic disk

1991-02-27

1991-12-03

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

Disk

G11B 582

Patent

active

050704257

ABSTRACT:
A magnetic disk, which has a surface with two groups of streaks, the streaks in one group crossing with those in the other group, thus reducing the dynamic friction between a magnetic head and the magnetic disk and also variations in the dynamic friction.

REFERENCES:
patent: 4326229 (1982-04-01), Yanagisawa
patent: 4870524 (1989-09-01), Coe
patent: 4939614 (1990-07-01), Shirakura et al.
Research Disclosure, Nov. 1988, No. 295, Kenneth Mason Publications, Ltd., England.

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