Magneto-optical recording medium and recording apparatus therefo

Details Magneto-optical recording medium and recording apparatus therefo Magneto-optical recording medium and recording apparatus therefo

1996-08-27

1997-12-02

Dinh, Tan

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

3692754, G11B 1100

Patent

active

056943792

ABSTRACT:
A magneto-optical recording medium capable of exhibiting a high track density and preventing occurrence of a crosstalk, is disclosed which is adapted for magneto-optically recording an information signal thereon and reproducing the signal therefrom by radiating a read or write beam through an objective lens, and includes a transparent substrate provided, on a partial or entire surface thereof, with spiral or concentric guide grooves and signal-recording regions located between the spiral or concentric guide grooves; wherein the magneto-optical recording medium is so constructed as to satisfy the following conditions (1) to (4):

REFERENCES:
patent: 5406546 (1995-04-01), Uchiyama et al.
patent: 5430706 (1995-07-01), Utsunomiya et al.
patent: 5581539 (1996-12-01), Horie et al.

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