Process for the preparation of information recording medium

Details Process for the preparation of information recording medium Process for the preparation of information recording medium

1988-12-06

1990-07-31

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Heating or drying

3461351, 430270, 430495, 430945, B05D 302, G11B 724

Patent

active

049449672

ABSTRACT:
A process for the preparation of an information recording medium comprising a substrate and a recording layer for writing and/or reading information by means of a laser beam which is provided on the substrate, wherein said recording layer is formed on the substrate by coating a solution which contains a dye in a solvent containing diacetone alcohol over the substrate to form a dye-coated layer, and drying the coated layer is disclosed. Also disclosed is a process for the preparation of an information recording medium comprising a substrate, an intermediate layer and a recording layer, superposed in order.

REFERENCES:
patent: 4175145 (1979-11-01), Fechter
patent: 4778525 (1988-10-01), Kobayashi et al.
patent: 4798781 (1989-01-01), Hirose et al.

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