| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical disk on which an IC tag module is mounted at low cost, without having to lower the reproduction quality. <P>SOLUTION: The optical disk 10, incorporating the IC tag module IC, is constituted of an optical reading part 14 that has a recording layer 12 and an IC tag module sealing part 16, where the IC tag module IC is sealed with a molding material 16b that has density of 1.2 g/cm<SP>3</SP>or higher. <P>COPYRIGHT: (C)2008,JPO&INPIT |
