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108 条记录 (耗时 0.065 秒)

    Optical pickup apparatus and objective optical element
    13.
    发明授权
    Optical pickup apparatus and objective optical element 失效
    光学拾取装置和物镜光学元件

    公开(公告)号：US07821904B2

    公开(公告)日：2010-10-26

    申请号：US11222137

    申请日：2005-09-09

    申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

    发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

    摘要： A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and the second phase structure, a light flux from the second light source forms a converged spot on second optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure, and a light flux from the third light source forms a converged spot on third optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure.

    摘要翻译： 来自第一光源的光束仅通过非球面的折射作用或通过由第一相结构中的至少一个给出的折射作用和光学作用的组合在第一光学信息记录介质上形成会聚点 和第二相结构，来自第二光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第二光学记录介质上形成会聚点 第二相结构，并且来自第三光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第三光学记录介质上形成会聚点 相结构。

    Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
    15.
    发明授权
    Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith 有权
    物镜，光学元件，光学拾取装置以及配备有其的光学信息记录和/或再现装置

    公开(公告)号：US07483358B2

    公开(公告)日：2009-01-27

    申请号：US12052359

    申请日：2008-03-20

    申请人： Tohru Kimura ,  Katsuya Sakamoto ,  Yuichi Atarashi

    发明人： Tohru Kimura ,  Katsuya Sakamoto ,  Yuichi Atarashi

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1374 ,  G11B7/1275 ,  G11B7/1353 ,  G11B7/139 ,  G11B7/13925 ,  G11B2007/0006 ,  G11B2007/13727

    摘要： A hybrid objective lens has a refractive lens and a diffractive optical element constructed by plural coaxial ring-shaped zones on at least one optical surface thereof. When n1, n2 and n3 each is a diffraction order of a diffracted ray having a maximum light amount among diffracted rays of each of first, second and third light flux having wavelength λ1, λ2 and λ3 when respective light flux comes to be incident into the diffractive structure respectively, the following formulas are satisfied: |n1|>|n2|, and |n1>|n3 |, and the hybrid objective lens converges a n1-th, n2-th and N3-th order diffracted ray of the first, second and third light flux onto an information recording plane of each of the first, second ant third optical information recording medium respectively so as to form an appropriate wavefront within respective prescribed necessary image side numerical apertures.

    摘要翻译： 混合物镜具有在其至少一个光学表面上由多个同轴环形区域构成的折射透镜和衍射光学元件。 当n1，n2和n3分别是当各个光束入射到第一，第二和第三光束时具有波长λ1，λ2和λ3的第一，第二和第三光束中的每一个的衍射光线中具有最大光量的衍射光线的衍射级数 衍射结构分别满足下列公式：<？in-line-formula description =“In-line formula”end =“lead”？> | n1 |> | n2 |，| n1> | n3 | ？在线公式描述=“内联公式”end =“tail”？>混合物镜会聚第一，第二和第三光通量的第n1，第n2和第N3阶衍射光线 分别在第一，第二蚂蚁第三光学信息记录介质的信息记录面上分别形成在相应的规定的必要图像侧数值孔内的适当的波前。

    Objective optical element and optical pickup apparatus
    16.
    发明申请
    Objective optical element and optical pickup apparatus 失效
    物镜光学元件和光学拾取装置

    公开(公告)号：US20060077792A1

    公开(公告)日：2006-04-13

    申请号：US11222073

    申请日：2005-09-09

    申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

    发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

    摘要： A first phase structure corrects at least one of a spherical aberration due to a difference between a protective substrate thickness t1 and a protective substrate thickness t2 and a spherical aberration due to a difference between a first wavelength λ1 and a second wavelength λ2, and a second phase structure corrects at least one of a spherical aberration generated when the first wavelength λ1 is changed in a range of ±10 nm, a best image point movement generated when the first wavelength λ1 is changed in a range of ±10 nm, and a spherical aberration generated when environmental temperature is changed.

    摘要翻译： 第一相位结构校正由保护基板厚度t 1和保护基板厚度t 2之间的差异引起的球面像差中的至少一个以及由于第一波长λ1和第二波长λ2之间的差引起的球面像差 并且第二相位结构校正当第一波长λ1在±10nm的范围内变化时产生的球面像差中的至少一个，当第一波长λ1在±10nm的范围内变化时产生的最佳图像点移动 并且当环境温度改变时产生球面像差。

    Objective optical system, optical pickup apparatus and optical disk drive apparatus
    17.
    发明申请
    Objective optical system, optical pickup apparatus and optical disk drive apparatus 审中-公开
    物镜光学系统，光学拾取装置和光盘驱动装置

    公开(公告)号：US20050265151A1

    公开(公告)日：2005-12-01

    申请号：US11135449

    申请日：2005-05-24

    申请人： Tohru Kimura ,  Nobuyoshi Mori ,  Yuichi Atarashi ,  Kiyono Ikenaka

    发明人： Tohru Kimura ,  Nobuyoshi Mori ,  Yuichi Atarashi ,  Kiyono Ikenaka

    IPC分类号： G11B7/00 ,  G11B7/135

    CPC分类号： G11B7/1353 ,  G11B7/1374 ,  G11B7/13922

    摘要： An objective optical system for use in an optical pickup apparatus which reproduces and/or records information on an information recording surface of first-third optical disks, the objective optical system includes a first optical element, a first part comprising a material A, a second part comprising a material b, wherein the first part and the second part are laminated on the first optical element in an optical axis of the objective optical system, and the material A and the material B have different Abbe constants for d-line each other and a first phase structure formed on a boundary between the first part and the second part.

    摘要翻译： 一种用于在第一至第三光盘的信息记录表面上再现和/或记录信息的光学拾取装置中的物镜光学系统，所述物镜光学系统包括第一光学元件，包括材料A的第一部分， 包括材料b的部分，其中第一部分和第二部分在物镜光学系统的光轴上层压在第一光学元件上，并且材料A和材料B具有彼此d线的不同的阿贝常数， 形成在第一部分和第二部分之间的边界上的第一相位结构。

    Optical pickup apparatus and objective optical element
    19.
    发明授权
    Optical pickup apparatus and objective optical element 失效
    光学拾取装置和物镜光学元件

    公开(公告)号：US07957231B2

    公开(公告)日：2011-06-07

    申请号：US12533070

    申请日：2009-07-31

    申请人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

    发明人： Tohru Kimura ,  Yuichi Atarashi ,  Kiyono Ikenaka ,  Kenji Ogiwara ,  Eiji Nomura

    IPC分类号： G11B7/00

    CPC分类号： G11B7/1367 ,  G11B7/1275 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/13925 ,  G11B2007/0006

    摘要： A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and the second phase structure, a light flux from the second light source forms a converged spot on second optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure, and a light flux from the third light source forms a converged spot on third optical recording medium by a combination of a refraction action of the aspheric surface and an optical action given by at least one of the first phase structure and the second phase structure.

    摘要翻译： 来自第一光源的光束仅通过非球面的折射作用或通过由第一相结构中的至少一个给出的折射作用和光学作用的组合在第一光学信息记录介质上形成会聚点 和第二相结构，来自第二光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第二光学记录介质上形成会聚点 第二相结构，并且来自第三光源的光束通过非球面的折射作用和由第一相结构和第二相结构中的至少一个给出的光学作用的组合在第三光学记录介质上形成会聚点 相结构。