Optical recording medium

Details Optical recording medium Optical recording medium

1990-03-29

1991-05-14

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Specified material

430945, 3692754, 3692752, 3461351, G11B 724

Patent

active

050162403

ABSTRACT:
An optical memory storage media is described, e.g. a compact disc. A method of preparing the media (e.g. discs) is also taught. The storage media is formed from a substrate material having tightly bonded to the surface a highly reflective soft metal alloy formed of, for example, an alloy including at least five percent by weight of each of at least two metals selected from the group consisting of cadmium, indium, tin, antimony, lead, bismuth, magnesium, copper, aluminum, zinc and silver.

REFERENCES:
patent: 4238803 (1980-12-01), Terao et al.
patent: 4726858 (1988-02-01), Minemura et al.
patent: 4773059 (1988-09-01), Minemura et al.
patent: 4904577 (1990-02-01), Tyran et al.

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