Magneto-optical overwrite recording and reproducing system

Details Magneto-optical overwrite recording and reproducing system Magneto-optical overwrite recording and reproducing system

1994-09-06

1996-01-30

Hindi, Nabil Z.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 4428, 369 4437, 3692752, G11B 700, G11B 1100

Patent

active

054885906

ABSTRACT:
A magneto-optical recording and reproducing system in a magneto-optical disk capable of being overwrite recorded by applying a magnetic field to a photo-sensitive recording layer and irradiating a laser beam onto the recording layer. A track pitch and a diameter of the laser beam are set so that recording tracks to be formed by irradiation of the laser beam overlap, each other between adjacent tracks. Accordingly, data recording density of the magneto-optical disk, especially in a radial direction thereof, can be increased.

REFERENCES:
patent: 4101947 (1978-07-01), Lambeth
patent: 4516165 (1985-05-01), Cunningham et al.
patent: 4516234 (1985-05-01), Nakagawa et al.
patent: 5077714 (1991-12-01), Katayama et al.
patent: 5144602 (1992-09-01), Kudoh et al.
patent: 5191563 (1993-03-01), Lee et al.
patent: 5245584 (1993-09-01), Miura et al.

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