会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Optical information recording medium
    • 光信息记录介质
    • US07835257B2
    • 2010-11-16
    • US12237324
    • 2008-09-24
    • Motomitsu HagiwaraTakeshi OtsuAkimasa MiyataYuji Tomizawa
    • Motomitsu HagiwaraTakeshi OtsuAkimasa MiyataYuji Tomizawa
    • G11B7/24
    • G11B7/24056G11B7/2467G11B7/2542G11B2007/25706G11B2007/25708G11B2007/25715
    • An optical information recording medium includes a disk-like substrate having a hole in a central portion thereof, and a light-reflective layer, a dye recording layer containing an organic dye, an intermediate layer composed of an inorganic substance, and a light-transmissive layer composed of a resin disposed in that order on one principal surface of the substrate, in which information is recorded/reproduced by irradiation of laser light from the light-transmissive layer side. In the optical information recording medium, the light-transmissive layer covers a surface of the intermediate layer from an inner peripheral edge of the intermediate layer to an outer peripheral edge of the intermediate layer, and a vicinity of an outer peripheral edge of the light-transmissive layer is in contact with the substrate in an annular region extending around an outer peripheral side of the substrate.
    • 光学信息记录介质包括在其中心部分具有孔的盘状基片和光反射层,含有有机染料的染料记录层,由无机物构成的中间层和透光性 其中通过照射来自透光层一侧的激光来记录/再现信息,该树脂按照该顺序设置在基板的一个主表面上。 在光学信息记录介质中,透光层从中间层的内周边缘到中间层的外周边缘覆盖中间层的表面,并且发光层的外周边缘附近, 透射层在基板的外周侧延伸的环状区域与基板接触。
    • 3. 发明申请
    • OPTICAL INFORMATION RECORDING MEDIUM
    • 光信息记录介质
    • US20080198731A1
    • 2008-08-21
    • US12028723
    • 2008-02-08
    • Isao MatsudaFumi HaraTakeshi OtsuMotomitsu HagiwaraAkimasa Miyata
    • Isao MatsudaFumi HaraTakeshi OtsuMotomitsu HagiwaraAkimasa Miyata
    • G11B7/24
    • G11B7/24079G11B7/0053G11B7/00736
    • An optical information recording medium having a disk-shaped substrate formed with spiral grooves on one main surface, and having an optical reflection layer formed with grooves at the surface corresponding to the grooves of the substrate for reflecting a laser beam, an optical recording layer, a protective layer, and an optical transparency layer in this order on the main surface thereof. The optical information recording medium has a main information area and a sub-information area to the inner circumferential side thereof, in which the track pitch TrB of the grooves in the sub-information area is about 0.32 μm or less, and the depth D of the grooves and the half-band width W of the grooves satisfy a relation represented by: W≧2D+70, whereby the difference between the reflectivity at the land surface and the reflectivity at the groove surface in the sub-information area can be restricted to less than 30%, thereby preventing occurrence of mis-decipherment for BCA marks.
    • 一种光学信息记录介质,其具有在一个主表面上形成有螺旋槽的盘状基板,并且具有在与用于反射激光束的基板的凹槽对应的表面处形成有凹槽的光反射层,光学记录层, 保护层,透光性层等。 光信息记录介质具有其内周侧的主信息区域和子信息区域,其中子信息区域中的凹槽的轨道间距TrB为约0.32μm或更小,并且深度D为 沟槽和半带宽度W满足以下关系:W> = 2D + 70,由此在台面上的反射率与子信息区域中的槽表面的反射率之间的差可以是 限制在30%以下,从而防止BCA标记发生错误解密。
    • 5. 发明授权
    • Optical information recording medium
    • 光信息记录介质
    • US07830778B2
    • 2010-11-09
    • US12028723
    • 2008-02-08
    • Isao MatsudaFumi HaraTakeshi OtsuMotomitsu HagiwaraAkimasa Miyata
    • Isao MatsudaFumi HaraTakeshi OtsuMotomitsu HagiwaraAkimasa Miyata
    • G11B7/24
    • G11B7/24079G11B7/0053G11B7/00736
    • An optical information recording medium having a disk-shaped substrate formed with spiral grooves on one main surface, and having an optical reflection layer formed with grooves at the surface corresponding to the grooves of the substrate for reflecting a laser beam, an optical recording layer, a protective layer, and an optical transparency layer in this order on the main surface thereof. The optical information recording medium has a main information area and a sub-information area to the inner circumferential side thereof, in which the track pitch TrB of the grooves in the sub-information area is about 0.32 μm or less, and the depth D of the grooves and the half-band width W of the grooves satisfy a relation represented by: W≧2D+70, whereby the difference between the reflectivity at the land surface and the reflectivity at the groove surface in the sub-information area can be restricted to less than 30%, thereby preventing occurrence of mis-decipherment for BCA marks.
    • 一种光学信息记录介质,其具有在一个主表面上形成有螺旋槽的盘状基板,并且具有在与用于反射激光束的基板的凹槽对应的表面处形成有凹槽的光反射层,光学记录层, 保护层,透光性层等。 光信息记录介质具有其内圆周侧的主信息区域和子信息区域,其中子信息区域中的凹槽的轨道间距TrB为约0.32μm以下,深度D为 槽的槽和半带宽度W满足由W≥D2+ 70表示的关系,从而可以限制台面的反射率与子信息区中的槽表面的反射率之间的差异 小于30%,从而防止BCA标记的错误解密的发生。
    • 7. 发明申请
    • OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF FABRICATING THE SAME
    • 光信息记录介质及其制造方法
    • US20080298203A1
    • 2008-12-04
    • US12021924
    • 2008-01-29
    • Motomitsu HagiwaraTakeshi OtsuAkimasa Miyata
    • Motomitsu HagiwaraTakeshi OtsuAkimasa Miyata
    • G11B3/74B05D5/06
    • G11B7/266
    • Proposed are a method of fabricating an optical information recording medium that can prevent the degradation of the appearance caused by a hardening resin entering between a center cap and a substrate due to capillary action, and an optical information recording medium using a substrate for implementing the method.The optical information recording medium has a reflective layer and a recording layer on a first surface of a circular substrate having a through hole in a center part, and an optically transparent cover layer is provided on the recording layer. The substrate has an inner diameter of an area near an opening of the through hole on the first surface greater than that of another portion of the through hole. A step part is formed on the surface on the light incident side, that is, formed around the through hole on the surface on which the reflective layer and the recording layer are formed.
    • 提出了一种制造光学信息记录介质的方法,该光学信息记录介质可以防止由于毛细管作用而由中心盖和基板之间的硬化树脂引起的外观劣化,以及使用用于实现该方法的基板的光学信息记录介质 。 光学信息记录介质在具有中心部分的通孔的圆形基板的第一表面上具有反射层和记录层,并且在记录层上设置光学透明的覆盖层。 基板的第一表面上的通孔的开口部的内径比通孔的另一部分的内径大。 在光入射侧的表面上形成台阶部分,即形成在其上形成有反射层和记录层的表面上的通孔周围。
    • 8. 发明申请
    • METHOD OF MANUFACTURING OPTICAL INFORMATION RECORDING MEDIUM AND THE OPTICAL INFORMATION RECORDING MEDIUM
    • 制造光信息记录介质和光信息记录介质的方法
    • US20080248254A1
    • 2008-10-09
    • US12035981
    • 2008-02-22
    • Yasuhito HagiwaraMotomitsu HagiwaraTakeshi OtsuAkimasa MiyataKuniyuki Aihara
    • Yasuhito HagiwaraMotomitsu HagiwaraTakeshi OtsuAkimasa MiyataKuniyuki Aihara
    • B32B3/30B05D5/06
    • G11B7/266B29L2017/005G11B7/24056Y10T428/2457
    • An optical information recording medium of which the commercial value is not reduced is provided, in which a light reflection layer, an optical recording layer, a first light transmission layer, and a second light transmission layer are provided in this order on one main surface of a disk-shaped substrate, and a method of manufacturing the optical information recording medium is provided. A light reflection layer, an optical recording layer, a protection layer, a first light transmission layer, and a second light transmission layer may be provided in this order on the one main surface of the disk-shaped substrate. The substrate has a first groove and a second groove approximately concentrically formed nearer an inner circumference of the substrate than an area in which the optical recording layer is to be provided. The first light transmission layer is provided such that an edge thereof is situated near an edge of an outer circumferential side of the first groove. The second light transmission layer is provided such that an edge thereof is situated near an edge of an outer circumferential side of the second groove. Therefore, each of the first and second light transmission layers does not meander at an inner circumferential edge thereof in a circumferential direction, leading to excellent quality in appearance.
    • 提供了一种不减少商业价值的光学信息记录介质,其中光反射层,光记录层,第一透光层和第二光透射层依次设置在 光盘信息记录介质的制造方法。 光盘反射层,光记录层,保护层,第一透光层和第二透光层可以依次设置在盘状基板的一个主表面上。 基板具有与要设置光记录层的区域相比大致同心地形成在基板的内周的第一槽和第二槽。 第一透光层设置成使得其边缘位于第一凹槽的外周侧的边缘附近。 第二透光层设置成使得其边缘位于第二凹槽的外周侧的边缘附近。 因此,第一透光层和第二透光层中的每一个在圆周方向的内周边缘处不弯曲,从而具有优异的外观品质。