Magneto-optical recording medium cartridge which employs magnets

Details Magneto-optical recording medium cartridge which employs magnets Magneto-optical recording medium cartridge which employs magnets

1996-12-18

1998-02-17

Dinh, Tan

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369 772, G11B 1100

Patent

active

057198314

ABSTRACT:
A magneto-optical disk cartridge includes a magnet which is magnetized substantially parallel to a surface of a magneto-optical disk for generating an initializing magnetic field. This structure permits a reduction in the thickness of the magneto-optical disk cartridge.

REFERENCES:
patent: 5274612 (1993-12-01), Sato et al.
patent: 5530685 (1996-06-01), Katayama et al.
J. Nakayama, et al., Japanese Journal of Applied Physics, vol. 32 (1993) pp. 5439-5440, "Direct Overwriting Using Magnetooptical Trilayer Medium and One Magnet."
Haruhisa Iida et al., Proc. Int. Symp. on Optical Memory, 1989 Japanese Journal of Applied Physics, vol. 28 (1989) Supplement 28-3, pp.367-370, "Recording Power Characteristics of 130mm Overwritable MO Disk by Laser Power Modulation Method."

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