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    Optical information recording medium including a substrate, a recording layer, a layer of acrylic adhesive, and a cover layer
    1.
    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

    申请人： Toshio Ishida ,  Shinji Saito ,  Takeshi Kakuta

    发明人： Toshio Ishida ,  Shinji Saito ,  Takeshi Kakuta

    IPC分类号： G11B7/24 ,  G11B23/03

    CPC分类号： B32B3/02 ,  G11B7/24024 ,  G11B7/246 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/256 ,  G11B7/259 ,  G11B7/26

    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
    3.
    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

    申请人： Toshio Ishida ,  Takeshi Kakuta ,  Shinji Saito

    发明人： Toshio Ishida ,  Takeshi Kakuta ,  Shinji Saito

    IPC分类号： G11B7/24 ,  B32B3/02 ,  G11B7/135 ,  G11B7/244 ,  G11B7/248

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

    公开(公告)号：US06341122B1

    公开(公告)日：2002-01-22

    申请号：US09525479

    申请日：2000-03-15

    申请人： Yoshihisa Usami ,  Michihiro Shibata ,  Noboru Komori ,  Toshio Ishida ,  Takashi Morohashi

    发明人： Yoshihisa Usami ,  Michihiro Shibata ,  Noboru Komori ,  Toshio Ishida ,  Takashi Morohashi

    IPC分类号： G11B724

    CPC分类号： G11B7/007

    摘要： An optical information recording disc such as CD-R or DVD-R is composed of a transparent disc substrate provided with a spiral pregroove, a recording dye layer, placed in the pregroove, and a light-reflecting layer, wherein the pregroove formed in the area between an inner circle having a radius corresponding a half of a radius of the disc substrate and an outer circle having a radius corresponding 19/20 of the radius of the disc substrate has a radiused top corner at least one side, under the condition that the radius of the radiused corner on the outer circle is more generous than the radius of the radiused corner on the inner circle.

    摘要翻译： 诸如CD-R或DVD-R的光学信息记录盘由设置有螺旋预槽的透明盘基板，放置在预制槽中的记录染料层和光反射层构成，其中形成在 具有对应于盘基片的半径的一半的半径的内圆与圆盘基片的半径对应的半径对应的20/20的外圆的面积在至少一边的圆角顶角处， 外圆上的圆角的半径比内圈圆角的半径更大。

    Magnetic recording medium having a cobalt thin film magnetic layer, carbon protective layer, and fluorolubricant layer
    9.
    发明授权
    Magnetic recording medium having a cobalt thin film magnetic layer, carbon protective layer, and fluorolubricant layer 失效
    具有钴薄膜磁性层，碳保护层和氟润滑剂层的磁记录介质

    公开(公告)号：US5567524A

    公开(公告)日：1996-10-22

    申请号：US379931

    申请日：1995-01-27

    申请人： Toshio Ishida ,  Masaki Satake ,  Hideomi Watanabe ,  Tadashi Yasunaga ,  Tsutomu Okita

    发明人： Toshio Ishida ,  Masaki Satake ,  Hideomi Watanabe ,  Tadashi Yasunaga ,  Tsutomu Okita

    IPC分类号： G11B5/66 ,  C10M105/54 ,  C10N40/18 ,  G11B5/64 ,  G11B5/65 ,  G11B5/72 ,  G11B5/725 ,  G11B5/735

    CPC分类号： G11B5/725 ,  Y10S428/90 ,  Y10T428/30 ,  Y10T428/3154 ,  Y10T428/31678

    摘要： A magnetic recording medium having a ferromagnetic metal thin film formed over at least one surface of a non-magnetic support, wherein the improvement has a lubricant layer consisting essentially of at least one of unsaturated bond-containing fluoroalkyl carboxylic acid esters which are represented by the following formulae (1) to (3):Rf--R.sub.1 --COO--R.sup.2 Formula (1)R.sup.3 --COO--R.sub.4 --Rf Formula (2)Rf--R.sup.5 --COO--R.sup.6 Rf Formula (3)where Rf: (CF.sub.3).sub.a CF.sub.3-a (CF.sub.2).sub.ba: 1 to 3 a+b: 1 to 17R.sup.1 is an alkyl group having from 2 to 18 carbon atoms, or a hydrocarbon group having from 2 to 18 carbon atoms and containing at least one double or triple bond, and R.sup.2 is an alkyl group having from 4 to 22 carbon atoms, or a hydrocarbon group having from 4 to 22 carbon atoms and containing at least one double or triple bond. At least either one of R.sup.1 and R.sup.2 contains at least one double or triple bond. R.sup.3 is an alkyl group having from 3 to 21 carbon atoms, and R.sup.4 is a hydrocarbon group having from 4 to 18 carbon atoms and containing at least one double or triple bond. R.sup.5 and R.sup.6 are each an alkyl group having from 2 to 18 carbon atoms, or a hydrocarbon group having from 2 to 18 carbon atoms and containing at least one double or triple bond. At least either one of R.sup.5 and R.sup.6 contains at least one double or triple bond. R.sup.5 and R.sup.6 have from 20 to 44 carbon atoms in total.

    摘要翻译： 一种具有在非磁性载体的至少一个表面上形成的强磁性金属薄膜的磁记录介质，其中所述改进具有基本上由至少一种含不饱和键的氟烷基羧酸酯组成的润滑层，所述不饱和键的氟烷基羧酸酯由 （1）至（3）：Rf-R1-COO-R2（1）R3-COO-R4-Rf（2）Rf-R5-COO-R6RfFormula（3）其中Rf：（CF3）aCF3-a CF 2）ba：1〜3 a + b：1〜17 R 1为碳原子数2〜18的烷基或碳原子数为2〜18的含有至少一个双键或三键的烃基，R 2 是具有4至22个碳原子的烷基或具有4至22个碳原子并且含有至少一个双键或三键的烃基。 R1和R2中至少有一个含有至少一个双键或三键。 R3是具有3至21个碳原子的烷基，R4是具有4至18个碳原子并含有至少一个双键或三键的烃基。 R 5和R 6各自为具有2至18个碳原子的烷基或具有2至18个碳原子且含有至少一个双键或三键的烃基。 R5和R6中的至少一个含有至少一个双键或三键。 R5和R6总共具有20至44个碳原子。

    Magnetic recording medium having a lubricant comprising a phosphoric acid monoester and a fluorocarboxylic acid ester
    10.
    发明授权
    Magnetic recording medium having a lubricant comprising a phosphoric acid monoester and a fluorocarboxylic acid ester 失效
    具有包含磷酸单酯和氟代羧酸酯的润滑剂的磁记录介质

    公开(公告)号：US5556707A

    公开(公告)日：1996-09-17

    申请号：US401999

    申请日：1995-03-10

    申请人： Kazuyuki Usuki ,  Toshio Ishida ,  Tadashi Yasunaga

    发明人： Kazuyuki Usuki ,  Toshio Ishida ,  Tadashi Yasunaga

    IPC分类号： C10M105/00 ,  C10N40/18 ,  G11B5/64 ,  G11B5/66 ,  G11B5/71 ,  G11B5/72 ,  G11B5/725 ,  G11B5/735

    CPC分类号： G11B5/725 ,  Y10S428/90 ,  Y10T428/3154 ,  Y10T428/31544 ,  Y10T428/31678

    摘要： A metal thin film type magnetic recording medium which is excellent in running properties, durability and shelf stability. The magnetic recording medium has a ferromagnetic metal thin film formed over a non-magnetic base, and further has on the ferromagnetic metal thin film a lubricant layer containing a phosphoric monoester compound represented by the following formula (1), and an alkylene oxide group-containing fluorinated carboxylic acid ester compound represented by the following formula (2) or (3):R.sup.1 --OPO(OH).sub.2 Formula (1)where R.sup.1 is a hydrocarbon group having from 8 to 26 carbon atoms.Rf.sup.1 --R.sup.2 --COO--(R.sup.3 O).sub.n --R.sup.4 Formula (2)Rf.sup.2 --R.sup.2 --COO--(R.sup.3 O).sub.n --R.sup.4 --Rf.sup.3Formula (3)where Rf.sup.1, Rf.sup.2, Rf.sup.3 : (CF.sub.3).sub.a CF.sub.3-a (CF.sub.2).sub.b -- a: 1 to 3 a+b: 1 to 11 n=l to 8R.sup.2 is an alkylene or alkenyl group having from 2 to 14 carbon atoms;R.sup.3 is an alkylene group having from 1 to 4 carbon atoms; andR.sup.4 is an alkylene group having from 2 to 18 carbon atoms.

    摘要翻译： 一种金属薄膜型磁记录介质，其运行性能，耐久性和货架稳定性优异。 磁记录介质具有在非磁性基底上形成的强磁性金属薄膜，并且在铁磁金属薄膜上还含有由下式（1）表示的磷酸单酯化合物的润滑层， （2）或（3）表示的含氟氟代羧酸酯化合物：R1-OPO（OH）2（1）其中R1是具有8至26个碳原子的烃基.Rf1-R2-COO-（ （3）其中Rf1，Rf2，Rf3：（CF3）aCF3-a（CF2）b-a：1〜3a +（R3O）n-R4Formula（2）Rf2-R2-COO-（R3O）n-R4-Rf3 b：1〜11 n = 1〜8 R2为碳原子数为2〜14的亚烷基或烯基， R3是具有1至4个碳原子的亚烷基; R4为碳原子数2〜18的亚烷基。