Optical information recording medium

Details Optical information recording medium Optical information recording medium

1985-12-30

1987-08-11

Herbert, Thomas J.

Stock material or miscellaneous articles

Composite

346 76L, 3461351, 346137, 428913, B32B 904, G01D 900

Patent

active

046861432

ABSTRACT:
An optical information recording medium, comprising a substrate and a recording layer, the recording layer containing a metal complex of a monoazo compound of the formula: ##STR1## wherein X is a residue which, taken together with the adjacent nitrogen atom and carbon atom, forms a heterocyclic ring; Y is a residue which, taken together with the two adjacent carbon atoms, forms an aromatic ring; and Z is hydroxy or carboxy.

REFERENCES:
patent: 4134766 (1979-01-01), Kikuchi et al.
patent: 4626361 (1986-12-01), Molaire

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