Optical recording medium

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product

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430270, 430945, 369284, 369288, 3461351, G03C 100, G11B 724

Patent

active

053168992

ABSTRACT:
An optical recording medium having at least a pair of recording films which have a predetermined light absorption distribution and have steep absorption end slopes which are closer to each other. The difference between the wavelengths of recording or reproduction lights for these two recording films may be close to about 50 nm. A common optical system may be used for recording or reproduction operation for the two recording films, whereby the optical system may be simplified.

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