Optical recording medium

Details Optical recording medium Optical recording medium

1990-08-02

1992-06-23

Wright, Lee C.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430271, 430272, 430273, 430275, 430495, 430945, 3461351, G03C 172

Patent

active

051242320

ABSTRACT:
An optical recording medium includes at least a substrate and a recording layer formed on the substrate, said recording layer being irradiated with an energy beam to change the optical properties thereof by directly or indirectly generated heat, thereby recording information, wherein said recording layer comprises four elements of tellurium (Te), germanium (Ge), gallium (Ga) and bismuth (Bi) and has a composition represented by the following formula:

REFERENCES:
patent: 4889746 (1989-12-01), Utsumi et al.
patent: 4954379 (1990-09-01), Nishida et al.

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