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Title:
OPTICAL INFORMATION RECORDING ELEMENT USING AZO DYESTUFF
Document Type and Number:
Japanese Patent JPH07287862
Kind Code:
A
Abstract:

PURPOSE: To form a recording optical material capable of being adapted to a CD and having improved light stability regarding the recording optical material.

CONSTITUTION: An optical recording element with a transparent substrate and a dyestuff-containing recording layer and an optical reflecting layer on the surface of the substrate consists of a recording optical material, and the above- mentioned dyestuff contains the metallic complex of a terdentate ligand azo- dyestuff ligand. The terdentate ligand azo-dyestuff ligand comprises an aminohydroxypyridine group in one of the azo bonds, and contains an aromatic ring having an electron attractive substituting group and a hydroxy group, a carboxyl group or a sulfone amide group in the other.


Inventors:
KUSABA ANDORASU KOBAKUSU
DEREKU DEBITSUDO CHIYATSUPUMAN
Application Number:
JP15895493A
Publication Date:
October 31, 1995
Filing Date:
June 29, 1993
Export Citation:
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Assignee:
EASTMAN KODAK CO
International Classes:
B41M5/26; G03C1/73; G11B7/24062; G11B7/244; G11B7/2467; G11B7/249; (IPC1-7): G11B7/24; B41M5/26; G03C1/73
Attorney, Agent or Firm:
Shoichi Ui (4 others)