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    • 12. 发明申请
    • Method for evaluating optical information medium and optical information medium
    • 光信息介质和光信息介质评估方法
    • US20050191410A1
    • 2005-09-01
    • US11106424
    • 2005-04-15
    • Hidetake ItohKazushi TanakaNaoki Hayashida
    • Hidetake ItohKazushi TanakaNaoki Hayashida
    • B05D5/06B32B3/02G01N13/02G11B7/0037G11B7/24G11B7/243G11B7/246G11B7/2467G11B7/254G11B7/2542G11B7/257G11B7/258G11B7/259G11B7/26
    • G11B7/00375G01N13/02G11B7/2467G11B7/2542G11B7/259G11B7/268G11B2007/24312G11B2007/24314G11B2007/24316G11B2007/25708G11B2007/25715
    • A simple method for evaluating an optical information medium by judging quantitatively and reproducibly the surface quality of the optical information medium by the use of an artificial fingerprint liquid as an evaluation dispersion liquid, is provided. An optical information medium having a remarkably excellent anti-staining property of the surface which is on the incident side of recording/reproducing beam is provided. A method for evaluating an optical information medium, comprising: adhering an artificial fingerprint liquid containing a fine-particle-form substance and a dispersion medium capable of dispersing the fine-particle-form substance onto the surface of the optical information medium which is on the incident side of a recording/reproducing beam; observing the state of the artificial fingerprint liquid droplets adhered to the surface; and judging the quality of the medium surface. For example, the quality of the medium surface is judged by: (1) Measurement of the area ratio of the surface occupied with the artificial fingerprint liquid droplets adhered per unit area of the surface; (2) Measurement of the diameter of the artificial fingerprint liquid droplets adhered to the surface; (3) Measurement of the number of the artificial fingerprint liquid droplets adhered per unit area of the surface; or (4) Measurement of the degree of roundness of the artificial fingerprint liquid droplets adhered to the surface.
    • 提供了一种用于通过使用人造指纹液作为评价分散液定量地且可再现地评估光学信息介质的表面质量来评估光学信息介质的简单方法。 提供具有在记录/再现光束的入射侧的表面的非常优异的抗污染性的光学信息介质。 一种用于评估光学信息介质的方法,包括:将含有细颗粒形式物质的人造指纹液和能够将细颗粒形式物质分散的分散介质粘附在光学信息介质的表面上 记录/再现光束的入射侧; 观察附着在表面上的人造指纹液滴的状态; 并判断介质表面的质量。 例如,介质表面的质量通过以下方式判断:(1)测量表面每单位面积附着的人造指纹液滴占据的面积的面积比; (2)测量附着在表面上的人造指纹液滴的直径; (3)每单位面积附着的人造指纹液滴的数量的测定; 或(4)测量附着在表面上的人造指纹液滴的圆度。
    • 14. 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。