公开(公告)号：US4788561A

公开(公告)日：1988-11-29

申请号：US177901

申请日：1988-04-01

申请人： Seiji Nishino ,  Yuzo Takada

发明人： Seiji Nishino ,  Yuzo Takada

IPC分类号： G11B7/24 ,  B41M5/26 ,  G11B7/243 ,  G11B7/257 ,  G11B7/26 ,  G01D15/34

CPC分类号： G11B7/266 ,  G11B7/243 ,  G11B7/257 ,  G11B2007/24316 ,  G11B7/00454

摘要： The invention relates to an optical recording carrier wherein a recording laser beam or the like is focused onto a recording material so that information signals are recorded thereon. It is one aspect of this invention to provide an optical recording carrier wherein a single Te element crystal layer having a thickness of 50 to 300 .ANG. is formed between a substrate and an optical recording layer containing Te or TeOx (0

摘要翻译： 本发明涉及一种光记录载体，其中记录激光束等聚焦在记录材料上，以便在其上记录信息信号。 本发明的一个方面是提供一种光学记录载体，其中在基片和含有Te或TeO x（0

公开(公告)号：US08018801B2

公开(公告)日：2011-09-13

申请号：US10563274

申请日：2004-11-01

申请人： Teruhiro Shiono ,  Seiji Nishino ,  Tatsuo Itoh

发明人： Teruhiro Shiono ,  Seiji Nishino ,  Tatsuo Itoh

IPC分类号： G11B7/00

CPC分类号： G11B7/1381 ,  B82Y10/00 ,  G11B7/00452 ,  G11B7/00454 ,  G11B7/00455 ,  G11B7/1275 ,  G11B7/1365 ,  G11B7/24038 ,  G11B7/24085 ,  G11B2007/0013

摘要： An information recording medium of the optical information reproduction device of the present invention includes a recording unit capable of recording information three-dimensionally and provided with a track, and information is recorded by forming a plurality of recording marks along the track of the recording unit by a mark length recording method. When the track direction of the recording marks is assumed to be their longitudinal direction and the direction perpendicular to the track direction is assumed to be their lateral direction, with the present invention, for recording marks located substantially in the same plane, the total area of elongated recording marks, whose longitudinal length is greater than their lateral length, is greater than the total area of recording marks having other than elongated shapes. The optical information reproduction device of the present invention includes a first light source for emitting a reproduction light having a wavelength λ1, an objective lens for focusing the reproduction light on the recording unit, and a first photodetector for detecting a reproduction signal from the reflected light from the recording unit. The focused reproduction light includes as its main component a polarized light component that is polarized perpendicular to the track direction. Also, the recording unit has a track pitch of no more than 1.3 times the wavelength λ1of the reproduction light.

摘要翻译： 本发明的光信息再现装置的信息记录介质包括一个记录单元，它能够三维地记录信息并提供一个轨道，并且通过沿记录单元的轨道形成多个记录标记来记录信息。 标记长度记录方法。 假设记录标记的轨道方向为纵向方向，并且垂直于轨迹方向的方向被认为是其横向方向，根据本发明，对于基本位于同一平面上的记录标记， 其长度大于其横向长度的细长记录标记大于具有不同于细长形状的记录标记的总面积。 本发明的光学信息再现装置包括用于发射具有波长λ1的再现光的第一光源，用于将再现光聚焦在记录单元上的物镜和用于检测来自反射光的再现信号的第一光电检测器 从录音单元。 聚焦再现光包括垂直于轨道方向偏振的偏振光分量作为其主要分量。 此外，记录单元的轨道间距不大于再现光的波长λ1的1.3倍。

公开(公告)号：US07898925B2

公开(公告)日：2011-03-01

申请号：US11667765

申请日：2005-11-08

申请人： Teruhiro Shiono ,  Tatsuo Itoh ,  Seiji Nishino

发明人： Teruhiro Shiono ,  Tatsuo Itoh ,  Seiji Nishino

IPC分类号： G11B7/00

CPC分类号： G11B7/257 ,  B82Y10/00 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/244 ,  G11B7/245 ,  G11B7/25 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2538 ,  G11B2007/24612 ,  G11B2007/24624

摘要： An information recording medium includes a substrate and a recording portion having recording layers on the substrate, wherein the recording portion is capable of three-dimensional recording by changing an optical constant of the recording layers by irradiation of recording light, and a first reflected-light reducing portion for reducing reflected lights of reproducing light from the substrate side is provided at a side opposite to an incident side of the reproducing light with respect to the recording portion, and an optical information recording/reproducing apparatus records and reproduces information to and from the medium.

摘要翻译： 信息记录介质包括基板和在基板上具有记录层的记录部分，其中通过记录光的照射改变记录层的光学常数，记录部分能够进行三维记录，并且第一反射光 用于减少从基板侧再现光的反射光的减少部分设置在与记录部分的再现光的入射侧相对的一侧，并且光学信息记录/再现装置记录和再现信息 中。

公开(公告)号：USRE41455E1

公开(公告)日：2010-07-27

申请号：US11076588

申请日：2005-03-10

申请人： Yoshiaki Komma ,  Sadao Mizuno ,  Seiji Nishino

发明人： Yoshiaki Komma ,  Sadao Mizuno ,  Seiji Nishino

IPC分类号： G02B5/32 ,  G02B7/00 ,  G02B3/10 ,  G02B3/08

CPC分类号： G02B5/1895 ,  G02B3/10 ,  G02B5/18 ,  G02B5/1814 ,  G02B5/1842 ,  G02B5/1871 ,  G02B5/1876 ,  G02B5/32 ,  G02B21/025 ,  G02B21/18 ,  G02B21/20 ,  G02B27/4238 ,  G03F9/70 ,  G03F9/7049 ,  G03F9/7069 ,  G03F9/7088 ,  G11B7/08511 ,  G11B7/131 ,  G11B7/1353 ,  G11B7/1374 ,  G11B7/139 ,  G11B19/12 ,  G11B19/127 ,  G11B2007/0006 ,  G11B2007/13727

摘要： A compound objective lens is composed of a hologram lens or transmitting a part of incident light without any diffraction to form a beam of transmitted light and diffracting a remaining part of the incident light to form a beam of first-order diffracted light, and an objective lens for converging the transmitted light to form a first converging spot on a front surface of a thin type of first information medium and converging the diffracted light to form a second converging spot on a front surface of a thick type of second information medium. Because the hologram selectively functions as a concave lens for the diffracted light, a curvature of the transmitted light differs from that of the diffracted light. Therefore, even though the first and second information mediums have different thicknesses, the transmitted light incident on rear surface of the first information medium is converged on the its front surface, and the diffracted light incident on a rear surface of the second information medium is converged on the its front surface. That is, the compound objective lens has two focal points.

摘要翻译： 复合物镜由全息透镜构成或透射入射光的一部分而没有任何衍射形成透射光束，衍射入射光的剩余部分以形成一级衍射光束，目标 透镜，用于会聚透射光以在薄型第一信息介质的前表面上形成第一会聚点，并且会聚衍射光以在厚型第二信息介质的前表面上形成第二会聚点。 由于全息图有选择地用作衍射光的凹透镜，透射光的曲率与衍射光的曲率不同。 因此，即使第一信息介质和第二信息介质具有不同的厚度，入射在第一信息介质的后表面上的透射光会聚在其前表面上，并且入射在第二信息介质的后表面上的衍射光会聚 在其前面。 也就是说，复合物镜具有两个焦点。

公开(公告)号：US07738343B2

公开(公告)日：2010-06-15

申请号：US11386381

申请日：2006-03-22

申请人： Yoshiaki Komma ,  Hidenori Wada ,  Seiji Nishino

发明人： Yoshiaki Komma ,  Hidenori Wada ,  Seiji Nishino

IPC分类号： G11B7/00

CPC分类号： G11B7/1369 ,  G11B7/08511 ,  G11B7/1378 ,  G11B7/13925 ,  G11B7/13927 ,  G11B2007/0013 ,  G11B2007/13727

摘要： An optical disk device is provided with an optical pickup that includes a convergent optical system having an objective lens for converging a light beam emitted from the laser light source to form a microspot on an optical disk and an aberration correcting optical system for controlling a spherical aberration of the convergent optical system, and performs information recording or reproduction with respect to a multi-layer optical disk having at least a first recording layer and a second recording layer. In the optical disk device, an operation of changing a correction quantity of the spherical aberration from a value adequate for the first recording layer to a predetermined value is started before an operation of moving a focus position of the microspot from the first layer to the second layer is completed. This allows a focus control to be performed stably with respect to the second recording layer in a state in which the spherical aberration correction already has been carried out, thereby preventing the focus control from failing due to an unsuccessful interlayer jump.

摘要翻译： 光盘装置具有光学拾取器，该光学拾取器包括会聚光学系统，该会聚光学系统具有用于会聚从激光光源发射的光束以在光盘上形成微点的物镜，以及用于控制球面像差的像差校正光学系统 并且对具有至少第一记录层和第二记录层的多层光盘执行信息记录或再现。 在光盘装置中，将微球的聚焦位置从第一层移动到第二层的操作之前开始将球面像差的校正量从适合于第一记录层的值改变到预定值的操作 层完成。 这允许在已经执行球面像差校正的状态下相对于第二记录层稳定地执行聚焦控制，从而防止聚焦控制由于不成功的层间跳跃而失败。

公开(公告)号：US07656777B2

公开(公告)日：2010-02-02

申请号：US10516220

申请日：2003-05-26

申请人： Hiroaki Yamamoto ,  Teruhiro Shiono ,  Tatsuo Ito ,  Seiji Nishino ,  Sadao Mizuno

发明人： Hiroaki Yamamoto ,  Teruhiro Shiono ,  Tatsuo Ito ,  Seiji Nishino ,  Sadao Mizuno

IPC分类号： G11B7/24

CPC分类号： G11B7/243 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/257

摘要： An optical recording medium which is a multilayer optical recording medium including a plurality of recording layers and records or reproduces information by the irradiation of light having a wavelength of λ0. At least one recording layer out of a plurality of recording layers includes a variable absorption film. The variable absorption film contains a material in which an electron energy has a band structure, and the absorption end of an absorption spectrum moves toward a longer wavelength side with a rise in temperature when light is absorbed by transition between electron bands, has a first absorptance to light having a wavelength of λ0 when a film temperature is a first temperature (application environment temperature), and has a second absorptance higher than the first absorptance to light having a wavelength of λ0 when a film temperature is a second temperature higher than the first temperature.

摘要翻译： 一种光记录介质，其是包括多个记录层的多层光记录介质，并且通过照射波长为λ0的光记录或再现信息。 多个记录层中的至少一个记录层包括可变吸收膜。 可变吸收膜含有电子能量具有带状结构的材料，并且当光被电子带之间的过渡吸收时，吸收光谱的吸收端随着温度升高而向较长波长侧移动，具有第一吸收率 当膜温度为第一温度（施加环境温度）时具有λ0的波长的光，并且当膜温度比第一温度高的第一温度时，具有比第一吸光度高于具有波长λ0的光的第二吸收率 温度。

公开(公告)号：US07480227B2

公开(公告)日：2009-01-20

申请号：US11443750

申请日：2006-05-31

申请人： Seiji Nishino ,  Hidenori Wada ,  Yoshiaki Komma ,  Sadao Mizuno ,  Keiichi Matsuzaki

发明人： Seiji Nishino ,  Hidenori Wada ,  Yoshiaki Komma ,  Sadao Mizuno ,  Keiichi Matsuzaki

IPC分类号： G11B7/00

CPC分类号： G11B7/1398 ,  G11B7/1353 ,  G11B7/1367 ,  G11B7/1372 ,  G11B7/1378 ,  G11B7/13922 ,  G11B7/13925

摘要： An optical head device includes a focusing optical system for focusing a laser beam emitted from a semiconductor laser light source on an optical information medium with an objective lens. A chromatic aberration correction element for correcting chromatic aberration occurring in the objective lens is provided between the semiconductor laser light source and the optical information medium. A light distribution correction element in which the transmittance increases with the distance from the center of the aperture surface of the objective lens is provided so as to correct a reduction of the intensity of the light incident on the aperture surface of the objective lens with the distance from the center of the aperture surface.

摘要翻译： 光头装置包括聚焦光学系统，用于将从半导体激光光源发射的激光束聚焦在具有物镜的光信息介质上。 在半导体激光光源和光信息介质之间设置用于校正物镜中出现的色像差的色像差校正元件。 提供透光率随着距离物镜的孔径表面的中心的距离而增加的光分布校正元件，以便校正入射到物镜的孔表面上的光的强度的降低，距离 从孔表面的中心。

公开(公告)号：US20080316898A1

公开(公告)日：2008-12-25

申请号：US10595995

申请日：2005-04-20

申请人： Tatsuo Itoh ,  Teruhiro Shiono ,  Seiji Nishino

发明人： Tatsuo Itoh ,  Teruhiro Shiono ,  Seiji Nishino

IPC分类号： G11B7/135

CPC分类号： G11B7/1381 ,  G02B21/0032 ,  G02B21/006 ,  G02B21/008 ,  G11B2007/0013

摘要： In a confocal optical system provided with a light source 13, a first focusing means 14, a second focusing means 16, an aperture 17, and a detector 18, the detector has plural light reception regions. A position displacement is detected by detecting an intensity distribution of an image caused by a position displacement between the focusing spot of the second focusing means 16 and the aperture 17 by the detector 18, and the position displacement is corrected by controlling the aperture position using driving means 19 and control means 20. Also, a position displacement of the aperture 17 in the optical axis direction is detected and corrected on the basis of a change in output of the detector 18 by oscillating the aperture 17 in the optical axis direction.

摘要翻译： 在具有光源13，第一聚焦装置14，第二聚焦装置16，孔17和检测器18的共焦光学系统中，检测器具有多个光接收区域。 通过检测由第二聚焦装置16的聚焦光点与检测器18之间的位置偏移引起的图像的强度分布来检测位置位移，并且通过使用驱动来控制光圈位置来校正位置偏移 装置19和控制装置20.此外，通过使光圈17沿光轴方向振荡，基于检测器18的输出变化来检测和校正孔17在光轴方向上的位置偏移。

公开(公告)号：US20080130458A1

公开(公告)日：2008-06-05

申请号：US11667765

申请日：2005-11-08

申请人： Teruhiro Shiono ,  Tatsuo Itoh ,  Seiji Nishino

发明人： Teruhiro Shiono ,  Tatsuo Itoh ,  Seiji Nishino

IPC分类号： G11B7/00

CPC分类号： G11B7/257 ,  B82Y10/00 ,  G11B7/00455 ,  G11B7/24038 ,  G11B7/244 ,  G11B7/245 ,  G11B7/25 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2538 ,  G11B2007/24612 ,  G11B2007/24624

摘要： An information recording medium includes a substrate and a recording portion having recording layers on the substrate, wherein the recording portion is capable of three-dimensional recording by changing an optical constant of the recording layers by an irradiation of a recording light, and a first reflected-light reducing portion for reducing reflected lights of a reproducing light from the substrate side is provided at a side opposite to an incident side of the reproducing light with respect to the recording portion, and an optical information recording/reproducing apparatus records and reproduces information to and from the medium.

摘要翻译： 信息记录介质包括基板和在基板上具有记录层的记录部分，其中记录部分能够通过记录光的照射改变记录层的光学常数而进行三维记录，并且第一反射 在与再现光的相对于记录部分的入射侧相反的一侧设置有用于减少来自基板侧的再现光的反射光的减光部分，并且光学信息记录/再现装置将信息记录和再现 和从媒介。

公开(公告)号：US20060246376A1

公开(公告)日：2006-11-02

申请号：US10558131

申请日：2004-05-25

申请人： Seiji Nishino

发明人： Seiji Nishino

IPC分类号： G11B7/24

CPC分类号： B82Y10/00 ,  G03C1/733 ,  G11B7/0045 ,  G11B7/24038 ,  G11B7/245 ,  Y10T428/21

摘要： An information recording medium includes a recording layer, in which information is recorded by two-photon absorption that occurs when recording light is focused on the recording layer. The recording layer (211, 212) contains a photosensitive polymer that includes a principal chain containing acrylate or methacrylate and a first side chain and a second side chain branched from the principal chain. The first side chain undergoes a cis-trans isomerization reaction upon absorption of the recording light, and the second side chain has a property of being oriented in about the same direction as a direction of the first side chain when the first side chain undergoes the cis-trans isomerization reaction.

摘要翻译： 信息记录介质包括记录层，其中当记录光聚焦在记录层上时，通过双光子吸收记录信息。 记录层（211,212）含有包含丙烯酸酯或甲基丙烯酸酯的主链和从主链分支的第一侧链和第二侧链的感光性聚合物。 第一侧链在吸收记录光时经历顺反异构化反应，第二侧链具有在第一侧链经历顺式反应时沿与第一侧链方向大致相同的方向取向的性质 反式异构化反应。