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    • 7. 发明专利
    • Pigment for optical information recording medium, and optical information recording medium
    • 光学信息记录介质的颜色和光学信息记录介质
    • JP2010033639A
    • 2010-02-12
    • JP2008192746
    • 2008-07-25
    • Taiyo Yuden Co Ltd太陽誘電株式会社
    • KODAIRA TAKUOTSUZUKI TAKEO
    • G11B7/244B41M5/26C09B45/18C09B45/20C09B45/22G11B7/24
    • C07D405/12C07D417/12C09B29/3678C09B45/18C09B45/20C09B45/22C09B45/34G11B7/2467G11B7/2492
    • PROBLEM TO BE SOLVED: To provide an optical information recording medium which has a high modulation degree and which has favorable recording property with low jitter characteristics in the optical information recording medium whose recording scheme is In-Groove recording. SOLUTION: The optical information recording medium includes a circular substrate 2 which includes a through-hole in the center part and which includes a guide groove 3 helically formed at a side of one face, a reflection layer 4 formed on the guide groove 3 of the substrate 2, a recording layer 5 which is formed on the reflection layer 4 and which is made with an organic material including a pigment, a protection layer 6 provided on the recording layer 5, and a light transmitting layer 6 formed on the protection layer 6. The recording layer 5 includes an organic pigment having a skeleton shown in (chemical formula 1) and a functional group selected from (a1) to (a3) shown in (chemical formula 2). COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种具有高调制度的光信息记录介质,并且在其记录方案为In-Groove记录的光信息记录介质中具有良好的具有低抖动特性的记录特性。 光信息记录介质包括圆形基板2,该圆形基板2在中心部分包​​括通孔,该圆形基板2包括一个螺旋形地形成在一个面的一侧的引导槽3,形成在引导槽上的反射层4 3,形成在反射层4上并由包含颜料的有机材料制成的记录层5,设置在记录层5上的保护层6和形成在基片2上的光透射层6 记录层5包括具有(化学式1)所示骨架的有机颜料和选自(化学式2)所示的(a1)〜(a3)的官能团。 版权所有(C)2010,JPO&INPIT