Magneto-optical recording medium having recording guide tracks

Details Magneto-optical recording medium having recording guide tracks Magneto-optical recording medium having recording guide tracks

1983-05-03

1986-10-14

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record medium

369275, G11B 726, G11B 582

Patent

active

046176012

ABSTRACT:
A magneto-optical recording medium having a magnetic film layer on one flat surface of the recording medium, which magnetic film layer is magnetizable in the direction normal to the surface of the medium; and guide tracks on the other side opposite to the magnetic film layer.

REFERENCES:
patent: 3174140 (1965-03-01), Hagopian et al.
patent: 3655441 (1972-04-01), Kefalas
patent: 4414650 (1983-11-01), Ohta et al.
patent: 4417290 (1983-11-01), Tanaka et al.
patent: 4467383 (1984-08-01), Ohta et al.
H. Wieder, "Multilayer Magneto-Optic Structure," IBM TDC, Nov. 1972, vol. 15, No. 6, p. 1762.

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