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: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
    4.
    发明授权
    Optical information recording medium 失效
    光信息记录介质

    公开(公告)号:US06924018B2

    公开(公告)日:2005-08-02

    申请号:US10267774

    申请日:2002-10-10

    IPC分类号: G11B7/24 G11B7/26 B32B3/02

    CPC分类号: G11B7/24 G11B7/26 Y10T428/21

    摘要: The present invention provides an optical information recording medium including a substrate having a groove that has a track pitch of 200 to 400 nm and a depth of 20 to 150 nm, the substrate having successively disposed thereon a light-reflective layer, a recording layer on which information is recordable by a laser beam having a wavelength of 450 nm or less, an adhesive layer containing an adhesive, and a cover layer having a thickness of 0.01 to 0.5 mm, wherein a surface of the light-reflective layer at a side thereof at which the recording layer is disposed has a ten-point average roughness Rz of 70 nm or less, a central surface average roughness SRa of 30 nm or less, and an average projection diameter Dv, at a height of 15 nm from a reference plane, of 75 nm or less.

    摘要翻译: 本发明提供一种光信息记录介质,其包括具有轨道间距为200〜400nm,深度为20〜150nm的槽的基板,所述基板依次配置有光反射层,记录层在 该信息可以通过波长为450nm以下的激光束,含有粘合剂的粘合剂层和厚度为0.01〜0.5mm的覆盖层进行记录,其中,在其一侧的光反射层的表面 其中设置记录层的十点平均粗糙度Rz为70nm以下,中心平均粗糙度SRa为30nm以下,平均突出直径Dv为15nm以下的基准面 ,75nm以下。

    Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer
    6.
    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
    8.
    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 medium
    9.
    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。