Optical recording medium
    4.
    发明授权
    Optical recording medium 失效
    光记录介质

    公开(公告)号:US08067080B2

    公开(公告)日:2011-11-29

    申请号:US12282821

    申请日:2007-03-14

    IPC分类号: G11B7/24

    摘要: Provided is an optical recording medium including, in sequence: a first substrate; a first information recording layer; an intermediate layer; a second information recording layer; and a second substrate having wobble convex portions on its surface, wherein information is recorded on or reproduced from the first information recording layer and second information recording layer by irradiation with a laser beam from a first information recording layer side, wherein the second information recording layer includes, over the second substrate, a light reflective layer, a dye recording layer, and an inorganic protective layer, wherein the inorganic protective layer has a thickness of 3 nm to 40 nm, and wherein the dye recording layer includes a cyanine compound expressed by General Formula (I) and a squarylium compound expressed by General Formula (II):

    摘要翻译: 提供了一种光学记录介质,其依次包括:第一基板; 第一信息记录层; 中间层 第二信息记录层; 以及在其表面上具有摆动凸部的第二基板,其中通过用来自第一信息记录层侧的激光束的照射将信息记录在第一信息记录层和第二信息记录层上或从第一信息记录层再现,其中第二信息记录层 在第二基板上包括光反射层,染料记录层和无机保护层,其中无机保护层的厚度为3nm至40nm,并且其中染料记录层包括由 通式(I)和通式(II)表示的方酸化合物:

    Optical information recording medium
    9.
    发明授权
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号:US07251212B2

    公开(公告)日:2007-07-31

    申请号:US11410853

    申请日:2006-04-26

    IPC分类号: G11B7/24 B32B3/02

    摘要: An optical information recording medium containing a first information substrate including a first substrate having a guide groove thereon, a first recording layer including a dye, overlying the first substrate and a first reflective layer being a semi-transmittance layer, overlying the first recording layer, a second information substrate comprising, a second substrate having a guide groove thereon, a second recording layer comprising a dye, overlying the second substrate, a second reflective layer being a semi-transmittance layer, located overlying the second recording layer and a light transmittance protective layer overlying the second reflective layer and a transparent intermediate layer. Further, the following relationships (1) and (2) are satisfied: (1) 0.3≦nd/λ≦0.7, wherein n represents refractive index in the complex refractive index n-ik of the light transmittance protective layer, d represents a thickness thereof, and λ is at least one of a recording wavelength and a playback wavelength, (2) k≦0.05, wherein k represents absorption index of the light transmittance protective layer of the complex refractive index n-ik.

    摘要翻译: 一种光学信息记录介质,包括第一信息基板,包括在其上具有引导槽的第一基板,覆盖在第一基板上的染料的第一记录层和覆盖在第一记录层上的半透射层的第一反射层, 第二信息基板,包括:第二基板,其上具有引导槽;第二记录层,包括染料,覆盖在所述第二基板上,第二反射层是半透射层,位于所述第二记录层的上方;以及透光保护层 覆盖第二反射层的层和透明中间层。 此外,满足以下关系式(1)和(2):(1)0.3 <= nd /λ<= 0.7,其中n表示光透射保护层的复折射率n-ik中的折射率,d表示 其厚度和λ是记录波长和重放波长中的至少一个,(2)k <= 0.05,其中k表示复合折射率n-ik的透光率保护层的吸收指数。

    Optical information recording medium
    10.
    发明申请
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号:US20060204704A1

    公开(公告)日:2006-09-14

    申请号:US11410853

    申请日:2006-04-26

    IPC分类号: B32B3/02

    摘要: An optical information recording medium containing a first information substrate including a first substrate having a guide groove thereon, a first recording layer including a dye, overlying the first substrate and a first reflective layer being a semi-transmittance layer, overlying the first recording layer, a second information substrate comprising, a second substrate having a guide groove thereon, a second recording layer comprising a dye, overlying the second substrate, a second reflective layer being a semi-transmittance layer, located overlying the second recording layer and a light trasnmittance protective layer overlying the second reflective layer and a transparent intermediate layer. Further, the following relationships (1) and (2) are satisfied: (1) 0.3≦nd/λ≦0.7, wherein n represents refractive index in the complex refractive index n-ik of the light trasnmittance protective layer, d represents a thickness thereof, and λ is at least one of a recording wavelength and a playback wavelength, (2) k≦0.05, wherein k represents absorption index of the light trasnmittance protective layer of the complex refractive index n-ik.

    摘要翻译: 一种光学信息记录介质,包括第一信息基板,包括在其上具有引导槽的第一基板,覆盖在第一基板上的染料的第一记录层和覆盖在第一记录层上的半透射层的第一反射层, 第二信息基板,包括:第二基板,其上具有引导槽;第二记录层,包括覆盖在所述第二基板上的染料;第二反射层,是位于所述第二记录层上方的半透射层;以及光导纳保护 覆盖第二反射层的层和透明中间层。 此外,满足以下关系式(1)和(2):(1)0.3 <= nd /λ<= 0.7,其中n表示光导纳保护层的复折射率n-ik中的折射率,d表示 其厚度和λ是记录波长和重放波长中的至少一个,(2)k <= 0.05,其中k表示复合折射率n-ik的光导纳保护层的吸收指数。