Optical recording medium comprising a dye-incorporated compositi

Details Optical recording medium comprising a dye-incorporated compositi Optical recording medium comprising a dye-incorporated compositi

1994-03-22

1995-02-14

Hess, B. Hamilton

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428913, 430270, 430945, B32B 302

Patent

active

053894197

ABSTRACT:
An optical recording medium comprising a substrate and a recording layer formed thereon for information to be written in and/or to be read out, wherein said dye-incorporated composition comprising a cyanine type dye and an azo metal chelate compound comprising an azo type compound of the following formula (I) ##STR1## (wherein A is a residue forming a hetoro ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic ring or a hetoro ring together with the two carbon atoms to which it is bonded, and X is a group having an active hydrogen), and a metal.

REFERENCES:
patent: 5231173 (1993-07-01), Murayama et al.
patent: 5298608 (1994-03-01), Murayama et al.

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