Optical recording medium

Details Optical recording medium Optical recording medium

1985-01-24

1987-07-21

Stephan, Steven L.

Dynamic information storage or retrieval

Storage medium structure

Layered

346762, 3461351, 369275, 369286, G01D 1534, G11B 724

Patent

active

046823212

ABSTRACT:
An optical disk for recording information, comprising a substrate and a plurality of thin film layers disposed on said substrate, each film having different optical extinction coefficient from that is the others. The thin film layers can be converted into a single layer when irradiated with a recording beam.

REFERENCES:
patent: 3959799 (1976-05-01), Gambina et al.
patent: 4477819 (1984-10-01), Lee et al.
Multilayer Memory Elements for Beam Addressable Memories-M. H. Brodsky-Mar. 1971.
K. N. Tu et al., "Silicide Films for Archival Optical Storage", Appl. Lett. 39(11), Dec. 1, 1981; pp. 927-929.

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