Optical recording media having increased erasability

Details Optical recording media having increased erasability Optical recording media having increased erasability

1998-01-27

2000-01-04

Neyzari, Ali

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

428 641, 43027013, G11B 1100, G11B 700, B32B 300

Patent

active

060117575

ABSTRACT:
An optical recording medium comprising one or more recording layers. At least one of the recording layers comprising an optical phase-change memory material, the optical phase-change memory material comprising: an optical phase-change alloy; and at least one modifier element, added to the optical phase-change alloy, that increases the erasability of the optical recording medium by at least 3 dB.

REFERENCES:
patent: 5652036 (1997-07-01), Kobayashi
patent: 5709978 (1998-01-01), Hirotsune et al.

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