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

Filed on

1996-07-23

Date issued

2000-01-11

Examiner

Letscher, George J.

Patent Class

Dynamic magnetic information storage or retrieval

SubClass

Record medium

SubSubClass

Disk

Other Related Categories

428694TM, G11B 582, G11B 2300

Type

Patent

Status

active

Patent number

060142960

Description

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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