Over-write capable magnetooptical recording medium having readin

Details Over-write capable magnetooptical recording medium having readin Over-write capable magnetooptical recording medium having readin

1993-09-17

1994-08-30

Pascal, Robert J.

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

369284, 3692752, 360 59, G11B 1100

Patent

active

053434498

ABSTRACT:
A medium comprises a reading layer, a memory layer and a writing layer. The reading layer, the memory layer and the writing layer are exchange-coupled to each other to form a three-layered structure. The medium satisfies the following condition at room temperature and during reproduction:

REFERENCES:
patent: 5132945 (1992-07-01), Osato et al.
patent: 5191564 (1993-03-01), Hosokawa
patent: 5239524 (1993-08-01), Sato et al.
Swartz, R. et al, "Stabilized Biasing of Semiconductor Lasers", The Bell System Journal, vol. 62, No. 7, Part 1 (1983), pp. 1923-1936.
Japanese Journal "Optronics", (1990), No. 4, pp. 227-231.

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