Optical recording medium and method of producing the same

Details Optical recording medium and method of producing the same Optical recording medium and method of producing the same

1995-04-19

1996-12-03

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430445, 430541, 3461351, G11B 724, G01D 900, G03C 172

Patent

active

055806961

ABSTRACT:
An optical recording medium has a substrate, and a right absorbing layer serving as a recording layer formed of 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 a group including --N.dbd. or --N<, and the other is hydrogen.

REFERENCES:
patent: 4859569 (1989-08-01), Hiron et al.
patent: 5169745 (1992-12-01), Yashiro et al.
patent: 5238722 (1993-08-01), Yashiro et al.
patent: 5252372 (1993-10-01), Yashiro et al.
patent: 5270463 (1993-12-01), Itoh et al.
patent: 5296034 (1994-03-01), Dietz et al.

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