Optical recording medium

摘要

An optical recording medium comprises a light transmissive substrate, a light absorption layer provided on the light transmissive substrate and a light reflecting layer provided on the light absorption layer. The light absorption layer contains a cyanine type dye represented by a following structural formula: and a quencher represented by a following general formula: wherein R1, R2, R3 and R4 denote hydrogen or substituent group, respectively. A protective layer may be further provided on the light reflecting layer for protecting the same.