OPTICAL RECORDING MEDIUM

摘要

PCT No. PCT/JP85/00253 Sec. 371 Date Feb. 4, 1986 Sec. 102(e) Date Feb. 4, 1986 PCT Filed May 2, 1985 PCT Pub. No. WO85/05078 PCT Pub. Date Nov. 21, 1985.The invention relates to an optical recording medium for effecting writing of information by means of recording light such as laser and reproduction or reading of the recorded information by means of reproduction or reading light, and provides an optical recording medium designed to prevent any degradation of the properties by the reading light and any lowering of writing sensitivity and reading S/N ratios. The optical recording medium including a recording layer 2 on a substrate 1 is characterized in that the recording layer 2 contains a mixture of a cyanine dye with a combination of cyanine dye cation with quencher anion.