Magneto-optical recording apparatus

Details Magneto-optical recording apparatus Magneto-optical recording apparatus

1993-07-16

1994-08-30

Pascal, Robert J.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 752, 369270, 360114, G11B 1100, G11B 2300

Patent

active

RE0347108

ABSTRACT:
A magneto-optical disc recording apparatus arranged such that the magneto-optical disc is recorded by irradiating the magneto-optical disc with a recording light beam from an optical pickup head device under the condition that the optical pickup head device is applied with an external magnetic field by external magnetic field generating means. In this magneto-optical disc recording apparatus, a spacer sheet is located on the magneto-optical disc, whereby the external magnetic field is applied to the magneto-optical disc under the condition that the external magnetic field generating means is brought in contact with the spacer sheet.

REFERENCES:
patent: 4509157 (1985-04-01), Morinaga
patent: 4740937 (1988-04-01), Watanabe
patent: 4901303 (1990-02-01), Kikuchi
patent: 5247496 (1993-09-01), Yamatani

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