Optical information recording medium

光信息记录媒体

Abstract

The invention is to obtain a light information recording media with good modulation degree even using organic matters in a recording layer. The light information recording media 1 of the invention comprises: a substrate 2 which has a breakthrough in a centre section and has a guiding recess 3 on one side regarded as light incident side; a reflection layer 4 formed on a surface of the substrate 2 forming the guiding recess 3; a recording layer 5 formed on the reflection layer 4 and composed of organic matters containing coloring matters; and a light transmission covering layer 6 mounted on the recording layer 5. The invention is characterized in that the covering layer 6 of the light information recording media 1 is made of hardened resin. The elastic modulus of one side relative to the recording layer 5 is within a range of 34 to 96MPa when it is at 25 degrees centigrade.
本发明的目的在于获得一种在记录层中使用有机物质的情况下也具有良好的调制度的光信息记录媒体。本发明的光信息记录媒体1包括:基板2,其中心部分具有贯通孔,且在作为光入射侧的其中一个面侧具有引导槽3;反射层4,其形成在所述基板2的形成有所述引导槽3的面上;记录层5,其形成在所述反射层4上,且由含有色素的有机物质而构成;以及设置在所述记录层5上的透光性覆盖层6,所述光信息记录媒体1的特征在于,所述覆盖层6是由硬化树脂而形成,在25℃时,与所述记录层5相对的一侧的弹性模量在34~96MPa的范围内。

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    CN-102741929-AOctober 17, 2012日本化药株式会社蓝光光盘、蓝光光盘用紫外线固化型树脂组合物和固化物