Optical information recording medium

Details Optical information recording medium Optical information recording medium

1988-08-17

1991-03-12

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

430270, 430945, G11B 724, G03C 173

Patent

active

049992813

ABSTRACT:
An optical information recording medium for carrying out recording, readout or erasing with layer beams, which comprises a support having carried thereon at least one compound represented by the general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent substituted or unsubstituted alkyl groups, or substituted or unsubstituted aryl groups, Z represents an atomic group for forming a substituted or unsubstituted aromatic ring, and L represents a linking group for forming a carbocyanine.
The present optical information recording media have an excellent recording performance and stability, and dyes used therein have no explosive property and thus can safely and readily be prepared.

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