Multi-layer over write capable magnetooptical recording medium

Details Multi-layer over write capable magnetooptical recording medium Multi-layer over write capable magnetooptical recording medium

1991-12-19

1993-08-24

Nguyen, Hoa

Dynamic information storage or retrieval

Storage medium structure

Specified material

365122, 428694, 369 13, 360 59, G11B 724, G11B 1304

Patent

active

052395340

ABSTRACT:
An over write capable multi-layer magnetooptical recording medium comprises a substrate on which is stacked a magnetic layer structure including first and second magnetic layers having perpendicular magnetic anisotropy serving as a recording layer and as a reference layer, respectively. The first layer comprises an alloy composition given by the formula:

REFERENCES:
patent: 4649519 (1987-03-01), Sun et al.
patent: 4842956 (1989-06-01), Kobayashi
patent: 4855975 (1989-08-01), Akasaka et al.
Swartz et al, "Stabilized Biasing of Semiconductor Lasers", The Bell System Technical Journal, vol. 62, No. 7, Part 1, Sep. 1983, pp. 1923-1936.

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