Optical recording medium

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product

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3461351, 430 19, 430270, G03C 172, G11B 724

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active

051870525

ABSTRACT:
An optical recording medium, which comprises a recording layer capable of reversibly undergoing a phase change between a crystalline state and an amorphous state by irradiation of an electromagnetic energy, the crystalline state of the recording layer being composed of a single phase of substantially a three-component compound or a higher multi-component compound can attain high speed recording and high speed erasing that cannot be obtained with the conventional optical recording medium.

REFERENCES:
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patent: 4787077 (1988-11-01), Barton et al.
patent: 4808514 (1989-02-01), Gravesteijn et al.
patent: 5095479 (1992-03-01), Horigaya et al.
Yamada et al, Japanese Journal of Applied Physics, vol. 26 (1987) Supplement 26-4 pp. 61-66 "High Speed Overwritable Phase Charge Disk Material".
Bordas et al, Thermochimica Acta, 107(1986) 239-265.
Akahira et al, SPIE vol. 899 Optical Storage Technology and Applications (1988) pp. 188-195.
Hackh's Chemical Dictionary, 4th Edition pp. 28-29.

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