Optical recording medium

Details Optical recording medium Optical recording medium

1986-11-25

1988-07-12

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, 548438, G03C 172, G03C 516, G11B 724

Patent

active

047569875

ABSTRACT:
An optical recording medium is disclosed, comprising a support having provided thereon a recording layer containing a naphtholactam dye represented by formula: ##STR1## wherein K represents a substituted or unsubstituted aromatic amine residue; R represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted allyl group; Z.sup.- represents an anion; ring A represents a substituted or unsubstituted naphthalene ring; and m represents 1 or 2. The recording layer can be formed by coating easily, has a high reflectance to provide a satisfactory contrast of recording, and exhibits excellent resistance to light.

REFERENCES:
patent: 4581317 (1986-04-01), Simmons, III
patent: 4585722 (1986-04-01), Morinaka et al.
Hackh's Chemical Dictionary 4th ed., p. 377.

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