Optical protuberant bubble recording medium

Details Optical protuberant bubble recording medium Optical protuberant bubble recording medium

1985-09-13

1987-03-03

Goldberg, E. A.

Recorders

Record receivers and/or driving means therefor

Laminated, impregnated, or coated bases

346 76L, 365113, 365126, 369284, 430945, G01D 1534

Patent

active

046479473

ABSTRACT:
A disk-shaped optical type recording medium is disclosed which includes a transparent substrate and recording layer formed on the substrate. The recording layer in a single layer, which is made of a material capable of absorbing energy reaching it through the substrate and being locally raised on one surface according to the absorbed heat energy of the laser beam.

REFERENCES:
patent: 3866187 (1975-02-01), Dougherty et al.
patent: 4357616 (1982-11-01), Terad et al.
patent: 4379299 (1983-04-01), Fitzpatrick et al.
patent: 4388400 (1983-06-01), Tabei et al.
patent: 4433340 (1984-02-01), Mashita et al.
Patent Abstracts of Japan vol. 6, No. 38, 9 Mar. 1982.

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