Optical information disk comprising tellurium, selenium and anti

Details Optical information disk comprising tellurium, selenium and anti Optical information disk comprising tellurium, selenium and anti

1981-10-13

1984-10-09

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430346, 430495, 430964, 3461351, G03C 172, G02B 2722

Patent

active

044762143

ABSTRACT:
An optical information disk in which information can be written and read optically and which has a substrate plate which on at least one side has a recording layer which satisfies the formula Te.sub.x Se.sub.y Sb.sub.z S.sub.q wherein x=55-85 at. %, y=13-30 at. % z=1-12 at. %, q=0-10 at. % and x+y+z+q=100. Suitable recording layers are Te.sub.60 Se.sub.25 Sb.sub.10 S.sub.5 and Te.sub.75 Se.sub.15 Sb.sub.5 S.sub.5.

REFERENCES:
patent: 3990084 (1976-11-01), Hamisch et al.
patent: 4290075 (1981-09-01), Jacobs et al.

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