Recording medium having optomagnetic recording layer and optical

Details Recording medium having optomagnetic recording layer and optical Recording medium having optomagnetic recording layer and optical

1984-06-11

1988-04-12

Cardillo, Raymond F.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360131, 360 59, 365122, 430270, 428621, 428636, G11B 1100

Patent

active

047379472

ABSTRACT:
An optical recording medium comprising a substrate, an optomagnetic recording layer made of a magnetic film where information can be recorded and reproduced by irradiation with a light beam, and an optical recording layer which can be modified in optical properties to form guide tracks when information is recorded in or reproduced from the optomagnetic recording layer.

REFERENCES:
patent: 3665483 (1972-05-01), Becker et al.
patent: 4101907 (1978-07-01), Bell et al.
patent: 4412231 (1983-10-01), Namba et al.
patent: 4414650 (1983-11-01), Ohta et al.
patent: 4417290 (1983-11-01), Tanaka et al.
patent: 4569881 (1986-02-01), Freese et al.

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