Magnetic recording disk

Details Magnetic recording disk Magnetic recording disk

1996-10-22

1998-05-05

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record medium

Disk

G11B 582

Patent

active

057484210

ABSTRACT:
A magnetic recording disk, for recording information, has a circular-shaped non-magnetic support formed with a plurality of tracks extending in a circumferential direction, each track of the plurality of tracks having a band-shaped contour having an upper flat surface and having a width in a radial direction, the plurality of tracks being juxtaposed in the radial direction so that adjacent tracks are separated by an inter-track gap. A magnetic layer is provided on the non-magnetic support. A protective layer is provided on the magnetic layer.

REFERENCES:
patent: 4735840 (1988-04-01), Hedgcoth
patent: 4829799 (1989-05-01), Coe et al.
patent: 4911967 (1990-03-01), Lazzari
patent: 4961123 (1990-10-01), Williams et al.
patent: 5388020 (1995-02-01), Nakamura et al.
Japanese Unexamined Patent Application No. 2-294931.
Japanese Unexamined Patent Application No. 3-173917.
Japanese Unexamined Patent Application No. 4-113511.

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