Magneto-optical disc apparatus

Details Magneto-optical disc apparatus Magneto-optical disc apparatus

1997-01-17

2000-01-25

Neyzari, Ali

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

360 59, 360114, G11B 1100

Patent

active

060185058

ABSTRACT:
In a magneto-optical disc apparatus using an initializing magnetic field generator, the magnetic field generator including a permanent magnet slides on or and floats above a surface of the magneto-optical disc for applying a magnetic field at a position on a track and precede to or follow a light beam spot irradiated by an optical head.

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patent: 5461595 (1995-10-01), Machida
patent: 5517472 (1996-05-01), Miyatake et al.
patent: 5592445 (1997-01-01), Onagi
Kaneko, M. et al., "Multilayered Magneto-Optical Disks for Magnetically Induced Superresolution," JJAP Series 6, Proc. Int. Symp. on Optical Memory, 1991, pp. 203-210.
Iida, H. et al., "Recording Power Characteristics of 130 mm Overwritable MO Disk by Laser Power Modulation Method," Proc. Int. Symp. on Optical Memory, 1989, Japanese Journal of Applied Physics, 28 (1989) Supplement 28-3, pp. 367-370.

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