| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical recording medium wherein cross-talk is further efficiently reduced from a relation between constitution of each recording layer of the multilayered optical recording medium and cross-talk. <P>SOLUTION: The optical recording medium 10 is constituted by layering four recording layers of an L0 layer 16, an L1 layer 18, an L2 layer 20 and an L3 layer 22 between a substrate 12 and a light transmissive cover layer 14 and light transmissive spacer layers 17, 19 and 21 between respective recording layers and the L2 layer 20 has negative dependence of reflectance to an incident angle of a laser beam for reproduction. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
