| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical information recording medium having an excellent degree of modulation of a signal and excellent basic characteristics as an optical disk and the like. <P>SOLUTION: In the optical information recording medium 10 having a recording layer 4 with recording marks formed thereon by irradiation with a laser beam on a substrate 1, the recording layer 4 is made of an Sn based alloy and the degree of modulation of the signal as the optical disk and the like is enhanced by providing dielectric layers 3 and 5 comprising oxides of elements selected from Si, Mg, Ta, Zr, Mn and In adjacently to the recording layer 4. <P>COPYRIGHT: (C)2008,JPO&INPIT |
