Optical recording medium and method of producing the same

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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43027017, 43027019, 4304951, 430945, 3461351, G11B 724

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active

059687088

ABSTRACT:
An optical recording medium has a substrate, and a light absorbing layer serving as a recording layer formed on the substrate. The light absorbing layer contains a metallo-phthalocyanine compound of formula (I): ##STR1## wherein M is Mn, Fe, Co, Zn or Cd; and either A.sup.1 or A.sup.2, either A.sup.3 or A.sup.4, either A.sup.5 or A.sup.6, and either A.sup.7 or A.sup.8 is --OR group or --SR group in which R is an aliphatic, aromatic or alicyclic hydrocarbon group, and the other is hydrogen; and a nitrogen-containing compound selected from the group consisting of an amino compound, an imino compound and an azo compound, each of which may have a substituent or form a ring.

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