Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

1994-05-10

1995-07-04

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

360135, G11B 2110

Patent

active

054305942

ABSTRACT:
There is provided a magnetic recording medium which is highly reliable so that tracking servo can be properly effected wherein Z.ltoreq.0.49 is established when light reflectance on a data track is represented by X, light reflectance of a magnetic head-tracking recess is represented by Y, and Z=Y/X.

REFERENCES:
patent: 4935835 (1990-06-01), Godwin et al.
patent: 5138511 (1992-08-01), Hoshimi et al.
patent: 5199022 (1993-03-01), Suzuki et al.
patent: 5208706 (1993-05-01), Lemelson
patent: 5296995 (1994-03-01), Yonezawa et al.
patent: 5313357 (1994-05-01), Ohta et al.
patent: 5355270 (1994-10-01), Umebayashi et al.

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