| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical recording medium having satisfactory recording/reproducing characteristics when recording by using a blue semiconductor laser beam. <P>SOLUTION: This optical recording medium 1 has a recording layer 3 containing an azo based metal complex and a cation coloring matter. The recording layer 3 has a complex refractive index larger than 0.20 in the imaginary part k for the light of 405 nm. <P>COPYRIGHT: (C)2007,JPO&INPIT |
