Magneto-optically recorded data readout system

Details Magneto-optically recorded data readout system Magneto-optically recorded data readout system

1998-11-03

2000-09-19

Dinh, Tan

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

G11B 1100

Patent

active

061222291

ABSTRACT:
A magneto-optically recorded data readout system for the readout of a data pit recorded on a magneto-optical recording medium comprising a memory layer, a switching layer and a displacement layer, said system comprising a means for magnetic domain expansion of said data pit for readout. By which means the recording medium is irradiated and heated with a pulsed laser beam of light such that a domain wall of said data pit can be displaced in the displacement layer and wherein the frequency of the laser beam of light is higher than the highest frequency of the data pit.

REFERENCES:
patent: 5953289 (1999-09-01), Miyaoka
patent: 5956296 (1999-09-01), Yamamoto et al.
patent: 5966349 (1999-10-01), Suwabe et al.

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