| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical information recording medium enabling a high density recording as well as having a high reflectance and a high modulation degree by using the optical information recording medium provided with a recording layer containing a coloring matter compound having a high sensitivity to a laser beam. <P>SOLUTION: The optical data recording medium has the recording layer capable of making a information recording by irradiating a substrate with a laser beam and the same layer contains a hemiporphyrazine derivative. <P>COPYRIGHT: (C)2003,JPO |
