Optical recording medium and recording/erasing method therefor

Details Optical recording medium and recording/erasing method therefor Optical recording medium and recording/erasing method therefor

1998-02-27

2000-02-08

Evans, Elizabeth

Stock material or miscellaneous articles

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428 642, 428 644, 428 645, 428913, 43027013, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

060226056

ABSTRACT:
The present invention aims at improving C/N, erasing ratio, modulation factor, recording sensitivity, and recording/erasing repeatability characteristics of a phase-change type optical recording medium.
The recording layer of the optical recording medium is therefore formed of a chalcopyrite type compound having a composition represented by the formula:

REFERENCES:
patent: 3530441 (1970-09-01), Ovshinsky
patent: 4900598 (1990-02-01), Suzuki et al.
patent: 4975355 (1990-12-01), Suzuki et al.
patent: 5202881 (1993-04-01), Suzuki et al.

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