Magneto-optical apparatus

Details Magneto-optical apparatus Magneto-optical apparatus

G - Physics

11

B

352/20.3, 352/33

G11B 13/04 (2006.01) G11B 7/085 (2006.01) G11B 7/09 (2006.01) G11B 11/105 (2006.01)

Patent

CA 1228919

ABSTRACT OF THE DISCLOSURE A magneto-optical apparatus records, reads and erases information by radiating a laser beam on a magneto-optical medium which uses an amorphous material for a recording layer and which is subjected to information writing and erasure, wherein a predetermined DC signal is added to a focus error signal in the erasure mode, and the laser beam irradiates the magneto-optical medium in a defocused state.

462325

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