Optical recording member

Details Optical recording member Optical recording member

1988-02-18

1990-02-27

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430495, 430945, 3461351, 540140, G11B 724, G01D 900, G03C 516, B41M 526

Patent

active

049045679

ABSTRACT:
An optical recording member comprising a recording layer containing a light abosrbing substance supported on a substrate in which recording is made by the thermal deformation of the recording layer owing to laser beams and reproduction is made by the reading the difference of the reflection between the non-deformation portion and the deformation portion, said light absorbing substance being represented by the following formula: ##STR1## wherein one of X and Y is --O(C.sub.2 H.sub.4 O).sub.n R wherein R is an alkyl group which may be branched and n is a number of from 1 to 6, and the other is a hydrogen atom, and A is VO, Cu, Ni, or Co.

REFERENCES:
patent: 4492750 (1985-01-01), Law et al.
patent: 4648992 (1987-03-01), Graf et al.
patent: 4725525 (1988-02-01), Kenney et al.
patent: 4769307 (1988-09-01), Ozawa et al.

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