Magneto-optical recorded medium with a transparent substrate lay

Details Magneto-optical recorded medium with a transparent substrate lay Magneto-optical recorded medium with a transparent substrate lay

1988-09-28

1991-07-09

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

3692754, 3692752, 3692751, G11B 1304, G11B 724

Patent

active

050311620

ABSTRACT:
An optically-recorded medium in which a reflecting optomagnetic layer is applied to a transparent substrate layer. The recorded medium stores data magnetically and by pits. The magnetically stored data and the pit stored data are superimposed on each other, so that every spot and region on the recorded medium stores both magnetically stored data and pit stored data. The recorded medium is not divided into separate regions for magnetically stored data and pit stored data, and the magnetically stored data and pit stored data may be read out simultaneously by a single light beam.

REFERENCES:
patent: 4467383 (1984-08-01), Ohta et al.
patent: 4730289 (1988-03-01), Saitoh et al.
patent: 4737947 (1988-04-01), Osato et al.
"Magnetooptische Versuche dauern an" publication, Funkschau 13/1986, pp. 37-41.

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