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    • 64. 发明申请
    • Method of testing optical information medium
    • 光信息媒体测试方法
    • US20060182925A1
    • 2006-08-17
    • US10547787
    • 2004-03-04
    • Naoki HayashidaTatsuya KatoKazushi Tanaka
    • Naoki HayashidaTatsuya KatoKazushi Tanaka
    • B32B3/02
    • G11B23/0021G11B7/268Y10T428/21
    • A testing method capable of quantifying abrasion resistance on the translucent base surface of a high-recording-density optical information medium simply and in a form of reflecting an actual application environment, and judging criteria appropriate for the testing method. When an evaluation test in terms of abrasion resistance on a laser beam incident-side surface is conducted on an optical information medium to and/or from which recording and/or reproducing is made by a laser beam shone into an information recording layer from a translucent base side, and which has the focused radius R, of a recording/reproducing laser beam on the translucent base surface, of 40-400 μm, defined by the following expression (1) R=2T tan [sin−1 (NA/n)](1) (in the expression, T is the thickness (μm) of the translucent base, NA numerical aperture of an object lens in the recording/reproducing device, and n refractive index of the translucent base), the abrasion resistance on a laser beam incident-side surface is evaluated based on the error amount of a reproduction signal after a laser beam incident-side surface is abraded by an abrasion wheel specified in ISO9352.
    • 能够简单地以反映实际应用环境的形式来量化高记录密度光学信息介质的半透明基面上的耐磨性的测试方法,以及适用于测试方法的判断标准。 当在激光束入射侧表面上的耐磨性的评价试验在由光学信息介质进行和/或从哪个记录和/或再现由激光束照射到信息记录层中的半透明 基底侧,并且在半透明基面上具有记录/再现激光束的聚焦半径R为40-400μm,由以下表达式(1)定义:R = 2T tan [sin < / SUP>(NA / n)](1)(在表达式中,T是半透明基底的厚度(母体),记录/再现装置中的物镜的NA数值孔径,以及半透明的n个折射率 基于激光束入射侧表面的耐磨性,根据由ISO9352规定的磨轮磨损激光束入射侧面后的再现信号的误差量来评价。
    • 65. 发明授权
    • Hard coat agent composition and optical information medium using the same
    • 硬涂剂组合物和使用其的光学信息介质
    • US07074472B2
    • 2006-07-11
    • US10949258
    • 2004-09-27
    • Hidetake ItohKazushi TanakaNaoki Hayashida
    • Hidetake ItohKazushi TanakaNaoki Hayashida
    • B32B3/02
    • C09D171/00B82Y30/00G11B7/2542G11B7/2545G11B7/259G11B2007/2431G11B2007/24312G11B2007/24314G11B2007/24316Y10T428/21
    • The present invention provides a hard coat agent composition that is useful for forming a hard coat layer with excellent anti-staining properties and lubricity, as well as superior scratch resistance and abrasion resistance, on the surfaces of various articles. The present invention also provides an optical information medium using the above hard coat agent composition. A hard coat agent composition comprising a fluorine-containing polyether compound (A) comprising an active energy ray-reactive group, and a curable compound (B) comprising two, or three or more active energy ray-polymerizable groups within each molecule. An optical information medium comprising a film element composed of one or more layers including at least a recording layer (4) or a reflective layer, on a supporting substrate (20), wherein at least one of the supporting substrate (20)-side surface and the film element-side surface is formed of a hard coat layer (8) comprising a cured product of the hard coat agent composition.
    • 本发明提供一种硬涂层组合物,其用于在各种制品的表面上形成具有优异的抗污染性和润滑性以及优异的耐擦伤性和耐磨性的硬涂层。 本发明还提供使用上述硬涂层剂组合物的光学信息介质。 包含含有活性能量射线反应性基团的含氟聚醚化合物(A)和在每个分子内含有2个或3个以上活性能量射线聚合性基团的固化性化合物(B)的硬涂层剂组合物。 一种光学信息介质,包括由支撑衬底(20)上至少包括记录层(4)或反射层的一层或多层构成的膜元件,其中至少一个所述支撑衬底(20) 并且膜元件侧表面由包含硬涂层剂组合物的固化产物的硬涂层(8)形成。
    • 69. 发明授权
    • Optical information medium
    • 光信息媒体
    • US06596363B2
    • 2003-07-22
    • US09829067
    • 2001-04-10
    • Naoki HayashidaHideki Hirata
    • Naoki HayashidaHideki Hirata
    • B32B302
    • G11B7/2548G11B7/252G11B7/2534G11B7/2542G11B7/2545G11B7/2575G11B7/2578G11B2007/25417Y10T428/21
    • An optical information medium which has excellent abrasion resistance and which further exhibits sufficient smudge-proof properties is provided. The optical information medium is coated on at least one surface with a film of a silane coupling agent containing a water- or oil-repellent substituent, said silane coupling agent being represented by the following formula (1): R1—Si(X)(Y)(Z) wherein R1 is the water- or oil-repellent substituent; X, Y and Z are independently a monovalent group; and at least one of X, Y and Z is a group which is capable of forming Si—O—Si bond by polycondensation with silanol group; and said medium has an underlying layer formed in contact with said silane coupling agent film, and at least the surface of said underlying layer comprises a compound having a chemical bond represented by the formula (2): M—A wherein M is a metal atom (including a semimetal), and A is a chalcogen atom selected from O, S, Se, and Te, nitrogen atom, or carbon atom.
    • 提供了具有优异的耐磨性并进一步显示足够防污性的光学信息介质。 所述光学信息介质在至少一个表面上涂布含有斥水斥油剂取代基的硅烷偶联剂的膜,所述硅烷偶联剂由下式(1)表示:其中R 1是水或 拒油取代基; X,Y和Z独立地为一价基团; X,Y和Z中的至少一个是能够通过与硅烷醇基缩聚而形成Si-O-Si键的基团。 并且所述介质具有与所述硅烷偶联剂膜接触形成的下层,并且至少所述下层的表面包含具有由式(2)表示的化学键的化合物:其中M是金属原子(包括 半金属),A是选自O,S,Se和Te,氮原子或碳原子的硫属原子。
    • 70. 发明授权
    • Optical information medium
    • 光信息媒体
    • US06866884B2
    • 2005-03-15
    • US10443033
    • 2003-05-22
    • Naoki HayashidaHideki Hirata
    • Naoki HayashidaHideki Hirata
    • G11B7/24G11B7/254G11B7/257G11B11/105B05D5/06
    • G11B7/2548G11B7/252G11B7/2534G11B7/2542G11B7/2545G11B7/2575G11B7/2578G11B2007/25417Y10T428/21
    • An optical information medium which has excellent abrasion resistance and which further exhibits sufficient smudge-proof properties is provided. The optical information medium is coated on at least one surface with a film of a silane coupling agent containing a water- or oil-repellent substituent, said silane coupling agent being represented by the following formula (1): R1—Si(X)(Y)(Z) wherein R1 is the water- or oil-repellent substituent; X, Y and Z are independently a monovalent group; and at least one of X, Y and Z is a group which is capable of forming Si—O—Si bond by polycondensation with silanol group; and said medium has an underlying layer formed in contact with said silane coupling agent film, and at least the surface of said underlying layer comprises a compound having a chemical bond represented by the formula (2): M—A wherein M is a metal atom (including a semimetal), and A is a chalcogen atom selected from O, S, Se, and Te, nitrogen atom, or carbon atom.
    • 提供了具有优异的耐磨性并进一步显示足够防污性的光学信息介质。 所述光学信息介质在至少一个表面上涂覆含有拒水拒油取代基的硅烷偶联剂的膜,所述硅烷偶联剂由下式(1)表示:R1-Si(X)( Y)(Z)其中R1是斥水斥油剂取代基; X,Y和Z独立地为一价基团; X,Y和Z中的至少一个是能够通过与硅烷醇基缩聚而形成Si-O-Si键的基团。 并且所述介质具有与所述硅烷偶联剂膜接触形成的下层,并且至少所述下层的表面包含具有由式(2)表示的化学键的化合物:MA其中M是金属原子(包括 半金属),A是选自O,S,Se和Te,氮原子或碳原子的硫属原子。