Optical information recording medium

Details Optical information recording medium Optical information recording medium

1986-06-26

1988-04-05

Kittle, John E.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428199, 430281, 430945, 3461351, B41M 526, G03C 172

Patent

active

047358394

ABSTRACT:
An optical information recording medium comprises a plastic substrate and a recording layer containing an indole type polymethine compound wherein the substituents attached to N atoms in the indole and indolene rings must be different from each other. The compound provides high solubility in alcoholic solvents, high storage stability (light resistance, heat resistance, etc.) and the like.

REFERENCES:
patent: 3916069 (1975-10-01), Tiers et al.
patent: 4551413 (1985-11-01), Bell
patent: 4600625 (1986-07-01), Abe et al.

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