Magneto-optical recording method and magneto-optical recording a

Details Magneto-optical recording method and magneto-optical recording a Magneto-optical recording method and magneto-optical recording a

1988-12-15

1991-05-07

Levy, Stuart S.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360114, 360 59, G11B 1112, G11B 1304

Patent

active

050142542

ABSTRACT:
A method and apparatus are revealed for recording information on a record carrier (1) having a magneto-optical recording layer (2), a pattern of magnetic domains (23, 24) having a first and a second direction of magnetization being formed in the recording layer (2). In accordance with the method, areas (22) of the recording layer are heated by the radiation pulses (20). The heated areas (22) are magnetized by means of a coil (12) which is energized with energizing-current pulses (21) which lag the radiation pulses (20) to such an extent that cooling of the areas (22) takes place substantially during the generation of the energizing pulses (12).

REFERENCES:
patent: 4466004 (1984-08-01), Kobayashi et al.
patent: 4712203 (1987-12-01), Saito et al.

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