Information recording medium

Details Information recording medium Information recording medium

1989-02-10

1990-07-24

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, 430218, 430945, G11B 724, G03C 172, G03C 516, B41M 526

Patent

active

049435159

ABSTRACT:
A novel information recording medium comprising a substrate and a recording layer for writing and/or reading information by means of a laser beam which is provided on the substrate is disclosed. The recording layer contains a dye having at least one chromophore selected from the group consisting of an amidinium ion chromophore, a carboxyl ion chromophore and a dipolar amide chromophore, and an organic solvent-soluble silver salt. Alternatively, the recording layer contains said chromophore and this recording layer is arranged in contact with a layer of an organic solvent-soluble silver salt.

REFERENCES:
patent: 4259424 (1981-03-01), Endo et al.
patent: 4359524 (1982-11-01), Masuda et al.
patent: 4465767 (1984-08-01), Oba et al.
patent: 4603103 (1986-07-01), Hirai et al.
patent: 4617257 (1986-10-01), Sawada et al.
patent: 4656121 (1987-04-01), Sato et al.
patent: 4673626 (1987-06-01), Takeda et al.

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