| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical disk recording medium which can record holograms with high reproduction efficiency and a high recording density. <P>SOLUTION: The optical disk recording medium is provided with a first substrate 11 subjected to physical preformatting on one surface, a reflection film 12 formed on the preformatted surface of the first substrate 11, a transparent layer 13 of 50 to 430 μm in thickness formed on the reflection film 12, a second substrate 15 consisting of a transparent medium arranged apart a prescribed spacing with the transparent layer 13, and a recording layer 14 for hologram recording packed between the transparent layer 13 and the second substrate 15. <P>COPYRIGHT: (C)2004,JPO |
