| 摘要 |
PURPOSE:To obtain an optical recording medium, which has excellent light resistance, by which a fine bit having an arranged shape is formed on recording and which has sufficient reproducing characteristics, by containing a phthalocyanine dyestuff and a light absorber having absorption in the wave range of a laser recording wavelength, in a recording film. CONSTITUTION:In an optical recording medium having a recording film on a substrate, the recording film contains a phthalocyanine dyestuff and a light absorber having absorption in the wave range of a laser recording wavelength. The light absorber is contained in the phthalocyanine dyestuff at 5-20wt.%. Light reflection by absorption is lowered remarkably and the trouble of the lack of playability is generated when the value exceeds 20wt.%, and the trouble of the fluidization of the optical recording film of original phthalocyanine is generated when the value is less than 5wt.%. The recording film containing the phthalocyanine dyestuff and the light absorber is coated through a spin coating method, etc. The recording film coated is approximately 40-100nm thick. A semiconductor laser having a wavelength of 760-830nm is favorable as laser beams applied to the recording medium. |
