Magnetic disk, method of manufacturing magnetic disk and magneti

Details Magnetic disk, method of manufacturing magnetic disk and magneti Magnetic disk, method of manufacturing magnetic disk and magneti

1996-07-23

2000-01-11

Letscher, George J.

Dynamic magnetic information storage or retrieval

Record medium

Disk

428694TM, G11B 582, G11B 2300

Patent

active

060142960

ABSTRACT:
A magnetic disk including a substrate, a recording track section which is made of a magnetic member for recording and reproducing information magnetically and is provided on the substrate, and a guard band member which is provided between the recording track sections adjacent to each other so that they are substantially continued in a track direction and is harder than the magnetic member and is made of a non-magnetic material. Moreover, the magnetic member is not provided or magnetic members with a different thickness from the magnetic member forming the recording track section is provided on a lower area of the guard band member.

REFERENCES:
patent: 5180609 (1993-01-01), Nakamura et al.

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