Optical information recording medium
    1.
    发明授权
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号:US07341820B2

    公开(公告)日:2008-03-11

    申请号:US10305976

    申请日:2002-11-29

    IPC分类号: G11B7/24

    摘要: The present invention is an optical information recording medium comprising a substrate having disposed in an order thereon a recording layer, an interlayer, and a cover layer, wherein recording and reproduction are carried out by the irradiation with a laser light having a wavelength in the range of 380 to 500 nm through a lens having a lens numerical aperture NA of 0.7 or more, wherein the recording layer is a layer of an organic substance and the thickness of the interlayer is within a range of 1 nm to 9 nm.

    摘要翻译: 本发明是一种光学信息记录介质,其包括在其上依次设置有记录层,中间层和覆盖层的基板,其中通过用波长在该范围内的激光进行照射来进行记录和再现 通过透镜数值孔径NA为0.7以上的透镜,其中记录层为有机物质层,中间层的厚度在1nm〜9nm的范围内。

    Optical information recording medium
    2.
    发明授权
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号:US07129019B2

    公开(公告)日:2006-10-31

    申请号:US10176088

    申请日:2002-06-21

    IPC分类号: G11B7/24

    摘要: The present invention provides an optical information recording medium that includes a substrate including a groove with a track pitch of 200 to 400 nm and a groove depth of 20 to 150 nm and having successively disposed thereon a light reflecting layer, a recording layer containing a dye in which information is recorded by irradiation with a laser beam having a wavelength of no greater than 450 nm, an adhesive layer, and a cover layer with a thickness of 0.01 to 0.5 mm. A surface of the optical information recording medium on a side disposed with the cover layer has a center surface average roughness (SRa1) of no greater than 3.0 nm when measured over a large surface area and a center surface average roughness (SRa2) of no greater than 3.0 nm when measured over a minute surface area.

    摘要翻译: 本发明提供一种光信息记录介质,其包括:基板,其具有轨道间距为200〜400nm,槽深为20〜150nm的槽,并且依次配置有光反射层,含有染料的记录层 其中通过用波长不大于450nm的激光束照射信息,粘合剂层和厚度为0.01至0.5mm的覆盖层来记录信息。 在覆盖层的一侧的光信息记录介质的表面在大面积测定时的中心面平均粗糙度(SRa 1)为3.0nm以下,中心面平均粗糙度(SRa 2)为 在一分钟的表面积下测量时不大于3.0nm。

    Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer
    4.
    发明授权
    Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer 失效
    光学信息记录介质,包括基底,记录层,丙烯酸粘合剂层和覆盖层

    公开(公告)号:US07051348B2

    公开(公告)日:2006-05-23

    申请号:US10329757

    申请日:2002-12-27

    IPC分类号: G11B7/24 G11B23/03

    摘要: The invention provides an optical information recording medium, for use with a laser irradiating a laser beam having a wavelength of 380 to 500 nm through an objective lens with a numerical aperture of at least 0.7, the optical information recording medium comprising, in the following order: a substrate; a recording layer; a layer of acrylic adhesive; and a cover layer. A light reflecting layer may be provided between the substrate and the recording layer. Also a cover layer formed by an acrylic adhesive material may be provided instead of the layer of the acrylic adhesive material and the cover layer.

    摘要翻译: 本发明提供了一种光学信息记录介质,用于通过具有至少0.7的数值孔径的物镜激光照射波长为380-500nm的激光束,所述光学信息记录介质按以下顺序包括 :底物 记录层; 一层丙烯酸粘合剂; 和覆盖层。 可以在基板和记录层之间设置光反射层。 还可以提供由丙烯酸粘合剂材料形成的覆盖层代替丙烯酸粘合剂材料层和覆盖层。

    Optical information recording medium
    6.
    发明授权
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号:US06869656B2

    公开(公告)日:2005-03-22

    申请号:US10305978

    申请日:2002-11-29

    CPC分类号: G11B7/248 Y10T428/21

    摘要: An optical information recording medium including a substrate, a recording layer, and a cover layer in this order; wherein information is recorded or reproduced by irradiating a laser beam having an wavelength in the range of 380 to 500 nm on the recording layer through a lens having a numerical aperture NA of 0.7 or more; the recording layer includes an organic substance; and the extinction coefficient k of the recording layer is at least 0.1 and less than 0.3.

    摘要翻译: 依次包括基板,记录层和覆盖层的光学信息记录介质; 其中通过使数值孔径NA为0.7以上的透镜在记录层上照射380〜500nm范围的波长的激光,来记录或再现信息; 记录层包括有机物质; 并且记录层的消光系数k至少为0.1且小于0.3。

    Optical information recording method and optical information recording medium
    9.
    发明申请
    Optical information recording method and optical information recording medium 审中-公开
    光信息记录方法和光信息记录介质

    公开(公告)号:US20070122747A1

    公开(公告)日:2007-05-31

    申请号:US11656955

    申请日:2007-01-24

    IPC分类号: G11B7/24

    摘要: The present invention provides an optical information recording medium including a substrate with an on-groove and an in-groove, having successively disposed thereon a dye recording layer and a transparent sheet, wherein a width of the on-groove ranges from 50 to 140 nm, and a barrier layer is formed between the recording layer and the transparent sheet. The invention also provides an optical information recording method including irradiating the optical information recording medium with laser light from the side of the medium provided with a cover layer to form a void at a signal pit portion in the dye recording layer and thereby carrying out recording of information as well as an optical information recording medium on which information has been recorded by the method.

    摘要翻译: 本发明提供了一种光学信息记录介质,其包括具有凹槽和衬里的衬底,其上依次设置有染料记录层和透明片,其中沟槽的宽度为50至140nm 并且在记录层和透明片之间形成阻挡层。 本发明还提供了一种光学信息记录方法,包括从设置有覆盖层的介质的侧面照射光信息记录介质,以在染料记录层中的信号凹坑部分形成空隙,从而进行记录 信息以及通过该方法记录有信息的光学信息记录介质。