OPTICAL INFORMATION RECORDING MEDIUM REPRODUCING DEVICE, AND OPTICAL INFORMATION RECORDING MEDIUM
    23.
    发明申请
    OPTICAL INFORMATION RECORDING MEDIUM REPRODUCING DEVICE, AND OPTICAL INFORMATION RECORDING MEDIUM 有权
    光信息记录介质中继设备和光信息记录介质

    公开(公告)号:US20100278026A1

    公开(公告)日:2010-11-04

    申请号:US12734190

    申请日:2008-10-17

    IPC分类号: G11B20/18

    摘要: An optical information recording medium reproducing device (1) reproduces information from a super-resolution optical information recording medium (100a) having the information stored therein by positioning, according to a random pattern system, a plurality of recording marks including a recording mark shorter than a resolution limit of an optical system. This reproducing device (1) performs test readings for measuring indexes each relating to a reproduction quality of the super-resolution optical information recording medium (100a) by emitting laser light onto a storage surface of the super-resolution optical information recording medium (100a), while changing a reproduction laser power from a predetermined initial value, and based on the indexes measured, sets a reproduction laser power for reproducing the information. Thus, since the reproduction laser power for reproducing the information stored in the super-resolution optical information recording medium (100a) is determined based on the test readings results, a favorable reproduction quality can be obtained.

    摘要翻译: 光信息记录介质再现装置(1)通过根据随机图案系统定位多个记录标记,该记录标记包括比记录标记短的记录标记,从具有存储在其中的信息的超分辨率光学信息记录介质(100a)再现信息 光学系统的分辨率限制。 该再现装置(1)通过将激光发射到超分辨率光学信息记录介质(100a)的存储表面上来执行用于测量与超分辨率光学信息记录介质(100a)的再现质量有关的指标的测试读数, 在从预定的初始值改变再现激光功率的同时,并且基于测量的指标,设置用于再现信息的再现激光功率。 因此,由于基于测试读数结果确定用于再现存储在超分辨率光学信息记录介质(100a)中的信息的再现激光功率,因此可以获得良好的再现质量。

    Optical information recording medium reproducing apparatus, method for reproducing optical information recording medium, program for reproducing optical information recording medium, and computer readable recording medium
    26.
    发明申请
    Optical information recording medium reproducing apparatus, method for reproducing optical information recording medium, program for reproducing optical information recording medium, and computer readable recording medium 失效
    光信息记录介质再现装置,光信息记录介质的再现方法,再现光信息记录介质的程序和计算机可读记录介质

    公开(公告)号:US20100091638A1

    公开(公告)日:2010-04-15

    申请号:US12588181

    申请日:2009-10-07

    IPC分类号: G11B7/125

    CPC分类号: G11B7/1263 G11B7/005

    摘要: An optical information recording medium reproducing apparatus 1 includes: a signal detecting/extracting section 15 extracting, from reproduction signal data, extracted reproduction signal data corresponding to a predetermined data pattern; a calculating circuit 10 calculating, from the extracted reproduction signal data, a reproducing power control value for controlling laser light reproducing power; and a reproducing power control section 16 controlling the reproducing power based on the reproducing power control value. The predetermined data pattern is obtained from a space which is sandwiched between marks of λ/2NA or longer and is shorter than λ/4NA and/or a mark which is sandwiched between spaces of λ/2NA or longer and is shorter than λ/4NA. Therefore, even when environmental temperature changes in reproduction, the optical information recording medium reproducing apparatus capable of reproducing a super resolution medium including marks each shorter than λ/4NA optimally controls laser light reproducing power and prevents degradation of reproduction signal quality.

    摘要翻译: 光信息记录介质再现装置1包括:信号检测/提取部分15,从再现信号数据提取对应于预定数据图形的提取的再现信号数据; 计算电路10根据所提取的再现信号数据计算用于控制激光再现功率的再现功率控制值; 以及再现功率控制部分16,其基于再现功率控制值来控制再现功率。 从λ/ 2NA以上且短于λ/ 4NA的标记和/或夹在λ/ 2NA以上且短于λ/ 4NA的间隔的标记的空间获得预定数据图案 。 因此,即使在再现环境温度变化的情况下,能够再现包含比λ/ 4NA短的标记的超分辨率介质的光信息记录介质再现装置也能够最佳地控制激光再生功率,防止再现信号品质的劣化。

    Pressure-sensitive adhesive sheet for optical data recording medium, optical data recording medium, and method and device for reproducing data from optical data recording medium
    27.
    发明授权
    Pressure-sensitive adhesive sheet for optical data recording medium, optical data recording medium, and method and device for reproducing data from optical data recording medium 失效
    用于光学数据记录介质的压敏粘合片,光学数据记录介质,以及用于从光学数据记录介质再现数据的方法和装置

    公开(公告)号:US08691357B2

    公开(公告)日:2014-04-08

    申请号:US13497866

    申请日:2010-09-27

    IPC分类号: G11B7/24

    摘要: A pressure-sensitive adhesive sheet 1 for an optical data recording medium D1 from which a signal with a mark length shorter than the resolution limit of an optical system of a reproducing device is capable of being reproduced by reproduction light emitted during reproducing, the pressure-sensitive adhesive sheet 1 having an adhesive transparent resin layer 11 to be disposed on an data recording layer 3 of the optical data recording medium D1, the transparent resin layer 11 having a (meth)acrylate copolymer containing no acidic group as a main component, the transparent resin layer 11 having a storage elastic modulus at 23° C. of 1.5×105 Pa or less and a gel fraction of 68 wt % or more. The transparent resin layer 11 of this pressure-sensitive adhesive sheet 1 for an optical data recording medium can be used for producing an optical data recording medium which can reproduce from a mark with a length shorter than the resolution of an optical system of a reproducing device, and which is stable against changes in the external environment when responding to status of use.

    摘要翻译: 用于光学数据记录介质D1的压敏粘合片1,其标记长度短于再现装置的光学系统的分辨率极限的信号能够通过再现期间发出的再现光再现, 具有要设置在光学数据记录介质D1的数据记录层3上的粘合剂透明树脂层11的粘合片1,具有不含酸性基团的(甲基)丙烯酸酯共聚物作为主要成分的透明树脂层11, 在23℃下的储能弹性模量为1.5×10 5 Pa以下,凝胶率为68重量%以上的透明树脂层11。 用于光学数据记录介质的该粘合片1的透明树脂层11可以用于制造光学数据记录介质,该光学数据记录介质可以从长度短于再现装置的光学系统的分辨率的标记再现 对应用状况的外部环境变化是稳定的。

    PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL DATA RECORDING MEDIUM, OPTICAL DATA RECORDING MEDIUM, AND METHOD AND DEVICE FOR REPRODUCING DATA FROM OPTICAL DATA RECORDING MEDIUM
    29.
    发明申请
    PRESSURE-SENSITIVE ADHESIVE SHEET FOR OPTICAL DATA RECORDING MEDIUM, OPTICAL DATA RECORDING MEDIUM, AND METHOD AND DEVICE FOR REPRODUCING DATA FROM OPTICAL DATA RECORDING MEDIUM 失效
    用于光学数据记录介质的光敏粘合片,光学数据记录介质以及用于从光学数据记录介质重现数据的方法和装置

    公开(公告)号:US20120246666A1

    公开(公告)日:2012-09-27

    申请号:US13497866

    申请日:2010-09-27

    摘要: A pressure-sensitive adhesive sheet 1 for an optical data recording medium D1 from which a signal with a mark length shorter than the resolution limit of an optical system of a reproducing device is capable of being reproduced by reproduction light emitted during reproducing, the pressure-sensitive adhesive sheet 1 having an adhesive transparent resin layer 11 to be disposed on an data recording layer 3 of the optical data recording medium D1, the transparent resin layer 11 having a (meth)acrylate copolymer containing no acidic group as a main component, the transparent resin layer 11 having a storage elastic modulus at 23° C. of 1.5×105 Pa or less and a gel fraction of 68 wt % or more. The transparent resin layer 11 of this pressure-sensitive adhesive sheet 1 for an optical data recording medium can be used for producing an optical data recording medium which can reproduce from a mark with a length shorter than the resolution of an optical system of a reproducing device, and which is stable against changes in the external environment when responding to status of use.

    摘要翻译: 用于光学数据记录介质D1的压敏粘合片1,其标记长度短于再现装置的光学系统的分辨率极限的信号能够通过再现期间发出的再现光再现, 具有要设置在光学数据记录介质D1的数据记录层3上的粘合剂透明树脂层11的粘合片1,具有不含酸性基团的(甲基)丙烯酸酯共聚物作为主要成分的透明树脂层11, 在23℃下的储能弹性模量为1.5×10 5 Pa以下,凝胶率为68重量%以上的透明树脂层11。 用于光学数据记录介质的该粘合片1的透明树脂层11可以用于制造光学数据记录介质,该光学数据记录介质可以从长度短于再现装置的光学系统的分辨率的标记再现 对应用状况的外部环境变化是稳定的。

    OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION PROCESSING APPARATUS
    30.
    发明申请
    OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION PROCESSING APPARATUS 有权
    光信息记录介质和光信息处理设备

    公开(公告)号:US20120207009A1

    公开(公告)日:2012-08-16

    申请号:US13456089

    申请日:2012-04-25

    IPC分类号: G11B7/135

    摘要: This invention allows super-resolution reproduction with which a better bER value is attainable, when information is recorded by a random pattern including a mark length not longer than a resolution limit, by use of a highly versatile signal decoding method.Information is recorded as marks and spaces coded by RLL(1,7) modulation, which each of the marks and spaces have one of a plurality of lengths, and 2T marks and 2T spaces of the marks and spaces being formed are shorter than 0.12 μm. An information recording layer (20) includes a reproduction film (21) and a reflective film (22) which are provided in this order from a side from which reproducing light is incident, which reproduction film is made of (i) zinc oxide, (ii) strontium titanate, (iii) titanium oxide, (iv)cerium oxide, or (v) a material including at least one of the (i) through (iv), and which reflective film is made of tantalum or titanium.

    摘要翻译: 通过使用高度通用的信号解码方法,当通过包括不超过分辨率极限的标记长度的随机图案记录信息时,本发明允许可获得更好的bER值的超分辨率再现。 信息被记录为通过RLL(1,7)调制编码的标记和空间,其中每个标记和间隔具有多个长度中的一个,并且形成的标记和间隔的2T标记和2T间隔短于0.12μm 。 信息记录层(20)包括从再现光入射的一侧依次设置的再现膜(21)和反射膜(22),该再生膜由(i)氧化锌( ii)钛酸锶,(iii)氧化钛,(iv)氧化铈,或(v)包含(i)至(iv)中的至少一种的材料,并且该反射膜由钽或钛制成。