Optical recording medium and method for making the same

Details Optical recording medium and method for making the same Optical recording medium and method for making the same

2006-07-18

2006-07-18

Angebranndt, Martin (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S270200, C430S270210, C430S270180, C428S064800, C369S288000

Reexamination Certificate

active

07078149

ABSTRACT:
A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that the optical disc has enough reflection rate. The dye layer comprises a cyanine type dye and an azo metal chelate compound selected from the formula (I):wherein M is a metal ion; R1is a hydrogen atom, a linear or branched alkyl group containing 1 to 6 carbon atoms, amino group, alkyl amino group or toluidinyl group; R2is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, an ester group or a linear or branched alkyl group containing 1 to 6 carbon atoms; R3 is a hydrogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; R4 is a hydrogen atom, a halogen atom or a linear or branched alkyl group containing 1 to 6 carbon atoms; A1 is a heterocyclic derivative group constituted by carbon atoms and nitrogen atoms.

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English translation of Kadota.
English Translation of Maeda '09.
English translation of Azuma.
English language abstract of Komamura.
English translation of Maeda '10.
English language abstract of Tanaka.
English language abstract of Kawakami.
English language abstract of Saito.
English language abstract of Azuma.
Shibata et al, “Synthese of azo dyes containing 4,5-diphenylimidazole and their evaluation as analytical reagents”, Analytica Chimica Acta; vol. 81 pp. 131-141 (1976).

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