| 摘要 |
<p>An optical recording medium for conducting recording and reproduction by applying laser beam to thereby change the state of a substance, which comprises a base plate having formed theron a recording layer containing a phthalocyanine compound and/or a naphthalocyanine compound represented by following general formula (I), wherein R1 to R4 each represents substituted and/or unsubstituted alkyl, alkoxyalkyl, aryl, or the like, and A represents Pb, Sn, Cu, Ni, VO, etc.</p> |
