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    Holographic recording medium
    12.
    发明申请
    Holographic recording medium 失效
    全息记录介质

    公开(公告)号：US20070030541A1

    公开(公告)日：2007-02-08

    申请号：US11390481

    申请日：2006-03-28

    申请人： Rumiko Hayase ,  Akiko Hirao ,  Kazuki Matsumoto ,  Norikatsu Sasao

    发明人： Rumiko Hayase ,  Akiko Hirao ,  Kazuki Matsumoto ,  Norikatsu Sasao

    IPC分类号： G03H1/02

    CPC分类号： G03H1/02 ,  G03F7/001 ,  G03F7/029 ,  G03H2001/0264 ,  G03H2260/12

    摘要： A holographic recording medium has a recording layer including a radical-polymerizable compound, a first photo-radical polymerization initiator (A) containing a titanocene compound, and a second photo-radical polymerization initiator (B) containing at least one compound selected from the group consisting of an amino acetophenone derivative, an acylphosphine oxide derivative, a benzyl derivative, and a thioxanthone derivative.

    摘要翻译： 全息记录介质具有包含可自由基聚合的化合物，含有二茂钛化合物的第一光自由基聚合引发剂（A）和含有至少一种选自下组的化合物的第二光自由基聚合引发剂（B）的记录层 由氨基苯乙酮衍生物，酰基氧化膦衍生物，苄基衍生物和噻吨酮衍生物组成。

    OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND ITS REPRODUCTION METHOD
    13.
    发明申请
    OPTICAL INFORMATION RECORDING/REPRODUCING APPARATUS AND ITS REPRODUCTION METHOD 审中-公开
    光信息记录/再现设备及其复制方法

    公开(公告)号：US20090080314A1

    公开(公告)日：2009-03-26

    申请号：US12211747

    申请日：2008-09-16

    申请人： KAZUKI MATSUMOTO ,  Akiko Hirao ,  Rumiko Hayase ,  Satoshi Mikoshiba ,  Norikatsu Sasao ,  Takahiro Kamikawa ,  Masahiro Kanamaru

    发明人： KAZUKI MATSUMOTO ,  Akiko Hirao ,  Rumiko Hayase ,  Satoshi Mikoshiba ,  Norikatsu Sasao ,  Takahiro Kamikawa ,  Masahiro Kanamaru

    IPC分类号： G11B7/00

    CPC分类号： G11B7/0065

    摘要： An optical recording/reproducing apparatus includes an optical recording medium in which a holograms are recorded depending on an incident angle of a reference beam. The reference beam is irradiated to holograms while changing the incident angle to generate a reproduction light beam, and an image patterns are detected by an image pattern detector. The continuously output reproduction image patterns are temporarily stored in an image recorder, and the maximum value of reproduction light intensity is detected to generate a trigger signal. Depending on the trigger signal, an optimal image pattern is extracted from continuous reproduction image patterns, and thus, two-dimensional data is decoded.

    摘要翻译： 光学记录/再现装置包括光记录介质，其中根据参考光束的入射角记录全息图。 参考光束在改变入射角度的同时照射到全息图以产生再现光束，并且图像图案由图像模式检测器检测。 连续输出的再现图像图案被临时存储在图像记录器中，并且检测再现光强度的最大值以产生触发信号。 根据触发信号，从连续再现图像图案中提取最佳图像图案，从而对二维数据进行解码。

    Optical information recording apparatus and method for recording optical information
    20.
    发明申请
    Optical information recording apparatus and method for recording optical information 审中-公开
    用于记录光学信息的光学信息记录装置和方法

    公开(公告)号：US20060077857A1

    公开(公告)日：2006-04-13

    申请号：US11227271

    申请日：2005-09-16

    申请人： Akiko Hirao ,  Kazuki Matsumoto ,  Rumiko Hayase ,  Takayuki Tsukamoto

    发明人： Akiko Hirao ,  Kazuki Matsumoto ,  Rumiko Hayase ,  Takayuki Tsukamoto

    IPC分类号： G11B7/135

    CPC分类号： G11B7/128 ,  G11B7/0065

    摘要： The optical information recording apparatus includes a laser light source for radiating a light beam, a spatial light modulator disposed on an optical path of the light beam, a power density control mechanism disposed on the optical path, an interference fringe formation mechanism. The spatial light modulator has pixels arranged in a two-dimensional array at which a central section of the light beam is radiated. The spatial light modulator spatially modulates the light beam. The power density control mechanism is set such that the transmittance with respect to the light beam at a portion where the central section is radiated is lower than that at which a peripheral section of the light beam is radiated. The interference fringe formation mechanism forms interference fringes from the central section and the peripheral section on the optical information recording medium disposed downstream on the optical path.

    摘要翻译： 光信息记录装置包括用于照射光束的激光源，设置在光束的光路上的空间光调制器，设置在光路上的功率密度控制机构，干涉条纹形成机构。 空间光调制器具有排列成二维阵列的像素，在该阵列处照射光束的中心部分。 空间光调制器对光束进行空间调制。 功率密度控制机构被设定为使得在中心部分被辐射的部分处的相对于光束的透射率低于照射光束的周边部分的透射率。 干涉条纹形成机构从位于光路上的光信息记录媒体上的中央部和周边部分形成干涉条纹。