摘要 |
An optical information storage medium having small jitter value and high recording sensitivity. The optical information storage medium has a transparent pregrooved substrate having thereon a dye recording layer, in which information can be recorded by irradiation with a laser, and a light-reflective layer on the dye recording layer, which is made of a metal. The dye recording layer contains a dye A, which has a maximum absorption wavelength in a 400 to 700 nm range, and a dye B, which has a maximum absorption wavelength 3 to 50 nm longer than that of the dye A. A sensitivity ratio Q between the dye A and the dye B, which is represented by the following equation, is from 0.20 to 0.55: <DF>Q = (PA-PB)/PA </DF> where PA represents optimum recording power for the dye A and PB represents optimum recording power for the dye B. |