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    • 71. 发明授权
    • Hologram recording medium
    • 全息记录介质
    • US07932000B2
    • 2011-04-26
    • US11847831
    • 2007-08-30
    • Naoki HayashidaAtsuko KosudaJiro Yoshinari
    • Naoki HayashidaAtsuko KosudaJiro Yoshinari
    • G03H1/02
    • G03F7/001G03F7/0043G03H2260/12
    • The present invention provides a hologram recording medium which can attain high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low dimension change (low shrinkage) and high multiplicity in holographic memory record using a blue laser. A hologram recording medium (11) comprising at least a hologram recording material layer, wherein the hologram recording material layer (21) comprises at least: an organometallic compound having at least a Ti—O bond, and a photopolymerizable compound; and said medium has a light transmittance is 50% or more at a wavelength of 405 nm, or a light reflectance is 25% or more at a wavelength of 405 nm. The organometallic compound is favorably obtained by subjecting an alkoxide compound of the corresponding metal(s) to hydrolysis and polymerization reaction in an organic solvent which neither contains cyclic ether skeleton nor carbonyl oxygen.
    • 本发明提供一种全息图记录介质,其能够使用蓝色激光获得全息记录记录中的高折射率变化,柔性,高灵敏度,低散射性,耐环境性,耐久性,低尺寸变化(低收缩)和高倍数。 包括至少全息记录材料层的全息记录介质(11),其中全息记录材料层(21)至少包括:至少具有Ti-O键的有机金属化合物和可光聚合化合物; 并且所述介质在波长405nm下的透光率为50%以上,或者波长405nm下的光反射率为25%以上。 有机金属化合物有利地通过使相应金属的醇盐化合物在不含环状醚骨架和羰基氧的有机溶剂中进行水解和聚合反应而获得。
    • 76. 发明申请
    • HOLOGRAM RECORDING MATERIAL AND HOLOGRAM RECORDING MEDIUM
    • HOLOGRAM记录材料和HOLOGRAM记录介质
    • US20070111108A1
    • 2007-05-17
    • US11556835
    • 2006-11-06
    • Naoki HayashidaJiro Yoshinari
    • Naoki HayashidaJiro Yoshinari
    • G03H1/04G03C1/72
    • G03H1/02G03F7/001G03F7/0042G03F7/0757G03H2001/0264G03H2260/12
    • The present invention provides a hologram recording material which attains high refractive index change, flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage, and high multiplicity, and is suitable for volume hologram recording. Also, the present invention provides a hologram recording medium. A hologram recording material comprising: an organometallic compound at least containing at least two kinds of metals, oxygen, and an aromatic group, and having an organometallic unit wherein two aromatic groups are bonded directly to one metal; metal oxide fine particles; and a photopolymerizable compound. For example, the metal oxide fine particles are selected from the group consisting of silica fine particles, alumina fine particles, titania fine particles, zirconia fine particles, and complex oxide fine particles containing one or more kinds of metal atoms which constitute said four metal oxides. A hologram recording medium 11 has a hologram recording material layer 21.
    • 本发明提供一种获得高折射率变化,柔韧性,高灵敏度,低散射性,耐环境性,耐久性,低收缩率和高倍数的全息记录材料,适用于体积全息图记录。 此外,本发明提供一种全息记录介质。 一种全息记录材料,包括:至少含有两种金属,氧和芳族基团的有机金属化合物,并且具有有机金属单元,其中两个芳族基团直接键合到一个金属上; 金属氧化物微粒; 和光聚合性化合物。 例如,金属氧化物微粒选自二氧化硅微粒,氧化铝微粒,二氧化钛微粒,氧化锆微粒,以及含有构成上述四种金属氧化物的一种或多种金属原子的复合氧化物微粒 。 全息记录介质11具有全息记录材料层21。
    • 77. 发明申请
    • HOLOGRAM RECORDING MATERIAL, AND HOLOGRAM RECORDING MEDIUM
    • HOLOGRAM记录材料和HOLOGRAM记录介质
    • US20070111107A1
    • 2007-05-17
    • US11556813
    • 2006-11-06
    • Jiro YoshinariNaoki Hayashida
    • Jiro YoshinariNaoki Hayashida
    • G03H1/04G03C1/72
    • G03H1/02G03F7/001G03F7/0042G03F7/0757G03H2001/0264G03H2260/12
    • The present invention provides a hologram recording material which attains high refractive index change flexibility, high sensitivity, low scattering, environment resistance, durability, low shrinkage, and high multiplicity, and is suitable for volume hologram recording. Also, the present invention provides a hologram recording medium. A hologram recording material comprising: an organometallic compound at least containing at least two kinds of metals, oxygen, and an aromatic group, and having an organometallic unit wherein two aromatic groups are bonded directly to one metal; and a photopolymerizable compound containing at least a monofunctional compound (A) having one polymerizable functional group in the molecule. The hologram recording material may comprise, as the photopolymerizable compound, a polyfunctional compound (B) having two or more polymerizable functional groups in the molecule. A hologram recording medium 11 has a hologram recording material layer 21.
    • 本发明提供一种获得高折射率变化灵活性,高灵敏度,低散射性,耐环境性,耐久性,低收缩率和高多重性的全息记录材料,适用于体积全息图记录。 此外,本发明提供一种全息记录介质。 一种全息记录材料,包括:至少含有两种金属,氧和芳族基团的有机金属化合物,并且具有有机金属单元,其中两个芳族基团直接键合到一个金属上; 和至少含有分子内具有一个聚合性官能团的单官能化合物(A)的光聚合性化合物。 作为光聚合性化合物,全息记录材料可以包含在分子中具有2个以上聚合性官能团的多官能化合物(B)。 全息记录介质11具有全息记录材料层21。
    • 78. 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。
    • 79. 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。