Recorders – Record receivers and/or driving means therefor – Laminated – impregnated – or coated bases
Patent
1983-06-27
1989-02-28
Hartary, Joseph W.
Recorders
Record receivers and/or driving means therefor
Laminated, impregnated, or coated bases
346 76L, 430945, G01D 1534
Patent
active
048090220
ABSTRACT:
An optical storage media. The DRAW recording medium of the present invention consists of a three layer structure: a transparent substrate; a uniform layer of a dielectric light-responsive material having a threshold energy level at which a physical change in the material occurs; and a highly electrically conductive and highly reflective overcoating on the opposite side of the light-responsive layer from the substrate. The invention provides a DRAW recording medium which is capable of recording information immediately readable in accordance with the International Electrotechnical Commission optical disc standard for videodiscs.
REFERENCES:
patent: 4101907 (1978-07-01), Bell
patent: 4230939 (1980-10-01), de Bont
patent: 4330883 (1982-05-01), Ohta
patent: 4336545 (1982-06-01), Howe et al.
patent: 4340655 (1982-07-01), Hollister
patent: 4345261 (1982-08-01), Wilkinson
patent: 4353767 (1982-10-01), Wilkinson
patent: 4405994 (1983-09-01), Cornet
patent: 4425570 (1984-01-01), Bell
patent: 4430401 (1984-02-01), Wilkinson
patent: 4496957 (1985-01-01), Smith
Patent Abstracts of Japan, vol. 7 No. 78, Mar. 31, 1983 (Japanese Patent Publ. No. 58-9230).
Wilkinson Richard L.
Winslow John S.
Brown Steven P.
Hartary Joseph W.
Optical Disc Corporation
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