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    Optical element for condensing incident light
    1.
    发明授权
    Optical element for condensing incident light 失效
    用于聚光入射光的光学元件

    公开(公告)号：US07612323B2

    公开(公告)日：2009-11-03

    申请号：US11239694

    申请日：2005-09-28

    申请人： Masahiro Okitsu ,  Kazuyuki Ogura ,  Kenji Konno ,  Hiroshi Hatano

    发明人： Masahiro Okitsu ,  Kazuyuki Ogura ,  Kenji Konno ,  Hiroshi Hatano

    IPC分类号： H01J3/14 ,  H01J5/16

    CPC分类号： G11B7/1374 ,  G11B7/08505 ,  G11B7/1387 ,  Y10S977/862

    摘要： To obtain an optical element for generating near-field light which can accurately detect positions of a plurality of minute structures formed on a metallic thin film provided to a condensing surface, and a method of adjusting an optical spot position of the optical element. The metallic thin film is formed on the condensing surface of the optical element that condenses incident light so as to generate near-field light smaller than an condensing spot B near a condensing point, and a plurality of openings (minute structure) for generating the near-field light are formed into a matrix matter on the metallic thin film, and position detecting structures are formed on positions that partitions the openings is formed. Scanning in X and Y directions is carried out by a light beam, and its reflected light is detected so that the positions of the openings are detected.

    摘要翻译： 为了获得能够精确地检测形成在设置于聚光面的金属薄膜上的多个微小结构的位置的近场光的光学元件，以及调整光学元件的光点位置的方法。 金属薄膜形成在会聚入射光的光学元件的聚光面上，以产生比聚光点附近的聚光点B小的近场光，以及多个用于产生近场的多个开口（微小结构） 场光在金属薄膜上形成为基体物质，位置检测结构形成在形成有开口的位置。 通过光束进行X方向和Y方向的扫描，检测其反射光，从而检测开口的位置。

    Optical element and optical spot position adjusting method
    2.
    发明申请
    Optical element and optical spot position adjusting method 失效
    光学元件和光点位置调整方法

    公开(公告)号：US20060082875A1

    公开(公告)日：2006-04-20

    申请号：US11239694

    申请日：2005-09-28

    申请人： Masahiro Okitsu ,  Kazuyuki Ogura ,  Kenji Konno ,  Hiroshi Hatano

    发明人： Masahiro Okitsu ,  Kazuyuki Ogura ,  Kenji Konno ,  Hiroshi Hatano

    IPC分类号： G03B21/56

    CPC分类号： G11B7/1374 ,  G11B7/08505 ,  G11B7/1387 ,  Y10S977/862

    摘要： To obtain an optical element for generating near-field light which can accurately detect positions of a plurality of minute structures formed on a metallic thin film provided to a condensing surface, and a method of adjusting an optical spot position of the optical element. The metallic thin film is formed on the condensing surface of the optical element that condenses incident light so as to generate near-field light smaller than an condensing spot B near a condensing point, and a plurality of openings (minute structure) for generating the near-field light are formed into a matrix matter on the metallic thin film, and position detecting structures are formed on positions that partitions the openings is formed. Scanning in X and Y directions is carried out by a light beam, and its reflected light is detected so that the positions of the openings are detected.

    摘要翻译： 为了获得能够精确地检测形成在设置于聚光面的金属薄膜上的多个微小结构的位置的近场光的光学元件，以及调整光学元件的光点位置的方法。 金属薄膜形成在会聚入射光的光学元件的聚光面上，以产生比聚光点附近的聚光点B小的近场光，以及多个用于产生近场的多个开口（微小结构） 场光在金属薄膜上形成为基体物质，位置检测结构形成在形成有开口的位置。 通过光束进行X方向和Y方向的扫描，检测其反射光，从而检测开口的位置。

    Refracting objective optical system and optical recording/reproducing device using the same
    3.
    发明申请
    Refracting objective optical system and optical recording/reproducing device using the same 审中-公开
    折射物镜光学系统和使用其的光学记录/再现装置

    公开(公告)号：US20050232121A1

    公开(公告)日：2005-10-20

    申请号：US11096065

    申请日：2005-03-30

    申请人： Kenji Konno ,  Masahiro Okitsu ,  Kazuyuki Ogura ,  Hiroshi Hatano

    发明人： Kenji Konno ,  Masahiro Okitsu ,  Kazuyuki Ogura ,  Hiroshi Hatano

    IPC分类号： G02B13/00 ,  G02B13/18 ,  G11B7/00 ,  G11B7/135 ,  G11B7/1365 ,  G11B7/1372 ,  G11B7/1374 ,  G11B7/1387 ,  G11B7/1392

    CPC分类号： G11B7/1387 ,  G11B7/1365 ,  G11B7/1374 ,  G11B7/13922 ,  G11B2007/13727

    摘要： A refracting objective optical system used in recording and/or reproducing information by near field light includes an aspherical lens in which an entrance surface is a continuous aspheric surface of convex shape and an exit surface is a flat surface, and a transparent flat plate joined to the flat surface of the relevant lens. The ray entering a first surface of the lens is refracted at the first surface, transmitted through a second surface and the flat plate, and condensed at a microscopic spot near an exit surface of the flat plate. The transparent flat plate includes a microscopic structure for generating a surface excitation plasmon near a light condensing point of the exit surface.

    摘要翻译： 用于通过近场光记录和/或再现信息的折射物镜光学系统包括非球面透镜，其中入射表面是凸形的连续非球面表面，出射表面是平坦表面，并且透明平板连接到 相关镜头的平面。 进入透镜的第一表面的光线在第一表面折射，透过第二表面和平板，并在平板出射表面附近的微观光点处会聚。 透明平板包括用于在出射表面的聚光点附近产生表面激发等离子体激元的微观结构。

    Optical head and optical recording apparatus
    8.
    发明申请
    Optical head and optical recording apparatus 审中-公开
    光头和光记录装置

    公开(公告)号：US20080002529A1

    公开(公告)日：2008-01-03

    申请号：US11821697

    申请日：2007-06-25

    申请人： Koujirou Sekine ,  Hiroaki Ueda ,  Manami Kuiseko ,  Naoki Nishida ,  Kenji Konno ,  Masahiro Okitsu ,  Hiroshi Hatano

    发明人： Koujirou Sekine ,  Hiroaki Ueda ,  Manami Kuiseko ,  Naoki Nishida ,  Kenji Konno ,  Masahiro Okitsu ,  Hiroshi Hatano

    IPC分类号： G11B5/127 ,  G11B5/31 ,  G11B5/39 ,  G11B7/00

    CPC分类号： G11B5/127 ,  G11B7/124 ,  G11B7/1374 ,  G11B7/1384 ,  G11B7/1387 ,  G11B2005/0021

    摘要： An optical head having: a graded index lens which receives incident light radiated from a linear optical guide at one end surface of the graded index lens and transmits the incident light from the other end surface of the graded index lens, the graded index lens is adapted to form a light spot at a position that is away from the other end surface from which the incident light is transmitted; a light path deflection section which deflects light transmitted from the graded index lens, the light path deflection section is arranged between the other end surface from which the incident light is transmitted and the position where the light spot is formed; and a slider which floats on a recording medium while moving relative to the recording medium, wherein at least the graded index lens and the light path deflection section are installed on the slider.

    摘要翻译： 一种光学头，具有：渐变折射率透镜，其接收从渐变折射率透镜的一个端面处的从线性光学引导器发射的入射光，并且透射来自渐变折射率透镜的另一端面的入射光， 在远离入射光的另一端面的位置处形成光点; 光路偏转部，其使从渐变折射率透镜发射的光偏转，光路偏转部配置在入射光的另一端面与形成有光斑的位置之间; 以及在相对于记录介质移动时漂浮在记录介质上的滑块，其中至少将渐变折射率透镜和光路偏转部分安装在滑块上。