Optical memory device

Details Optical memory device Optical memory device

1988-06-30

1991-01-15

Richardson, Robert L.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

428692, 428694, G11B 724

Patent

active

049858858

ABSTRACT:
An optical memory device comprising a first light-permeable substrate, a second light-permeable substrate and a plurality of strip-shaped optical recording layers that are disposed with a gap between the first substrate and the second substrate, wherein the optical path length from the outer surface of the first substrate to the recording layers is approximately equal to the optical path length from the outer surface of the second surface to the recording layers.

REFERENCES:
patent: 4489139 (1984-12-01), Ohta et al.
patent: 4562105 (1985-12-01), Machida et al.
Patent Abstracts of Japan 6(75):114, (May 12, 1982).
Patent Abstracts of Japan 11(208):593, (Jul. 7, 1987).
Patent Abstracts of Japan 11(137):572, (May 2, 1987).

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