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    • 4. 发明申请
    • MULTILAYER COMBINED LIQUID CRYSTAL OPTICAL MEMORY SYSTEMS WITH MEANS FOR RECORDING AND READING INFORMATION
    • 多层组合液晶光存储器系统与记录和读取信息的手段
    • WO2003005283A2
    • 2003-01-16
    • PCT/US2002/020609
    • 2002-07-02
    • TRI D STORE IP, LLCKOZENKOV, VladimirMAGNITSKII, SergeiLEVICH, Eugene
    • KOZENKOV, VladimirMAGNITSKII, SergeiLEVICH, Eugene
    • G06K
    • G11C13/04G02F1/133377G02F1/133784G02F1/13475G02F1/13725G02F1/13762G02F2202/046G11B7/24038G11B7/25G11C7/005
    • Several embodiments for a new structure of multilayer data carriers of the ROM-, WORM- or RW-type and general modes of writing, reading, deleting and re-writing data to and from them are descended. Each data carrying layer is fabricated as a multi-component structure that constitutes a thin electrically controlled liquid crystal cell with at least one alignment layer made of a photo-anisotropic material which functions as a photosensitive registering layer, in which data can be written. The anisotropic absorbing material may be either fluorescent or non-fluorescent. This type of structure ensures electrical control of absorbing and emitting capacity of fluorescent molecules dispersed in the liquid crystal matrix. This, in its turn, allows partial or complete elimination of fluorescent cross talk from the adjacent data carrying layers in the reading mode both in pit-by-pit and page-by-page modesce increases the number of information layers in the carrier and minimizes parasite aberration distortions in the reading mode.
    • 针对ROM-,WORM-或RW-型的多层数据载体的新结构以及写入,读取,删除和向其重写数据的一般模式的若干实施例被降低。 每个数据传输层被制造成多组件结构,该多组件结构构成薄电控液晶单元,其中至少一个由光学各向异性材料制成的配向层构成光学各向异性材料,该光学各向异性材料用作光敏记录层,其中可以写入数据。 各向异性吸收材料可以是荧光的或非荧光的。 这种类型的结构确保了电子控制分散在液晶矩阵中的荧光分子的吸收和发射能力。 这又使得在读取模式中逐部分地或完全地消除来自相邻数据承载层的荧光串扰,逐坑和逐页模式都增加了载体中的信息层的数量并且最小化 阅读模式下寄生虫畸变失真。
    • 5. 发明申请
    • OPTICAL READING DEVICE FOR WRITING/READING ON/FROM MULTI-LAYER OPTICAL DISKS
    • 用于在多层光盘上书写/读取的光学读取装置
    • WO2003001512A2
    • 2003-01-03
    • PCT/US2002/019979
    • 2002-06-25
    • TRID STORE IP, LLCLEVICH, EugeneLIBIN, AlexanderDOVGAN, AnatoliiMILUTIN, Sergey
    • LEVICH, EugeneLIBIN, AlexanderDOVGAN, AnatoliiMILUTIN, Sergey
    • G11B
    • G11B7/13927G11B7/1369G11B2007/0013
    • An optical information reader for writing/reading of multi-layer optical disks utilizing light beam from the light source directed to optical carrier by the lens and receiving reflected or fluorescent light is described. An optical reader includes the device for the reception of reflected of fluorescent light and the detector of the disk writing/reading layer with the aim to determine a required value of compensation or correction of spherical aberration compare to the calculated one. The writing layer detector is controlling the reflected or fluorescent light signal obtained from information layer of carrier. Optical reader includes also a piezo-ceramic optical element resided in a light beam that is directed from light source to the carrier. This piezo-element has a phase difference between central and peripheral zones that depend on sign and value of voltage applied to it. An optical reader can determine a value and sign of optical aberration with high accuracy. Piezo-ceramic element reduces a spherical aberration to the accepted level at any writing layer and at any radial position of spot on record track. In such a way the average value of spherical aberration and its current value mediated by fluctuation of record layer thickness will be reduced. A piezo-ceramic device reduces aberrations by using the phase differences change between its central and peripheral zones as result of current change of record layer thickness.
    • 描述了一种光学信息读取器,用于使用来自光源的光束通过透镜指向光学载体并接收反射或荧光来写入/读取多层光盘。 光学读取器包括用于接收荧光的反射的装置和盘写入/读取层的检测器,目的是确定与计算出的差异所需的球面像差的补偿或校正的值。 写层检测器控制从载体的信息层获得的反射或荧光信号。 光学读取器还包括驻留在从光源引导到载体的光束中的压电陶瓷光学元件。 该压电元件具有取决于施加到其上的电压的符号和值的中心区域和外围区域之间的相位差。 光学读取器可以高精度地确定光学像差的值和符号。 压电陶瓷元件将球面像差降低到任何写入层和记录轨道上点的任何径向位置的可接受水平。 以这种方式,减小了由记录层厚度的波动介导的球面像差的平均值及其电流值。 压电陶瓷器件通过使用记录层厚度的当前变化的结果,通过使用其中心区域和外围区域之间的相位差变化来减少像差。