Optical information recording medium of Te, O and Pd and method

Details Optical information recording medium of Te, O and Pd and method Optical information recording medium of Te, O and Pd and method

1985-09-12

1986-11-25

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

427250, 427252, 430346, 430945, 430964, G03C 172, G03C 174, B32B 700

Patent

active

046249141

ABSTRACT:
An optical information recording medium comprising a substrate and a photosensitive thin layer consisting of Te, O and Pd. When exposed to optical energy, this thin layer is capable of undergoing a phase change by which an optical transmittance is changed. The addition of Pd results in an improvement of a response time to a great extent. This optical information recording medium is preferably made by a method using a Pd evaporation source and another source for Te+TeO.sub.2.

REFERENCES:
patent: 3971874 (1976-07-01), Ohta et al.
patent: 4278734 (1981-07-01), Ohta et al.

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