Reinforced bubble recording medium and information record

Details Reinforced bubble recording medium and information record Reinforced bubble recording medium and information record

1981-10-30

1983-10-04

Hartary, Joseph W.

Recorders

Record receivers and/or driving means therefor

Laminated, impregnated, or coated bases

365127, 369284, 430945, G01D 1534

Patent

active

044082134

ABSTRACT:
The invention is an improved optical recording medium and information record where information is recorded in the form of one or more bubbles in a light absorptive layer and a reinforcement layer which preferentially adheres to a light absorptive layer during the formation of the bubble. The reinforcement layer provides a path for heat to diffuse away from the bubble, thereby desensitizing the recording process and increasing the range of incident light powers over which a bubble is formed.

REFERENCES:
patent: 3560994 (1971-02-01), Wolff et al.
patent: 4000492 (1976-12-01), Willens
patent: 4097895 (1978-06-01), Spong
patent: 4216501 (1980-08-01), Bell
patent: 4285056 (1981-08-01), Bell
patent: 4300227 (1981-11-01), Bell
patent: 4360895 (1982-11-01), Cornet
Conference on Lasers and Electro-Optics, Jun. 10-12, 1981 IEEE/OSA Washington, D.C., p. 122.

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