Optical recording medium

Details Optical recording medium Optical recording medium

1991-11-21

1993-05-04

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 430270, 369283, 369284, 369286, 346 76L, B32B 302

Patent

active

052080889

ABSTRACT:
An optical recording medium capable of reproduction in accordance with the CD standard is provided. The medium includes a reflective thin film of Ag or similar element, an intermediate thin film of Zn or similar element, and a low-melting thin film of Te or similar element wherein light irradiation causes the reflective thin film element and the low-melting thin film element to diffuse into each other to form an alloy or compound of reduced reflectivity. It is possible to determine through simulation a combination of atoms of the respective thin films which form a cluster having HOMO where electrons in the reflective thin film atoms and electrons in the low-melting thin film atoms do not form a hybrid orbital and LUMO where electrons in the reflective thin film atoms and electrons in the low-melting thin film atoms form a hybrid orbital.

REFERENCES:
patent: 3959799 (1976-05-01), Gambino

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