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31. 发明专利

JP2004296041A Optical head device 有权
公开(公告)号：JP2004296041A
公开(公告)日：2004-10-21
申请号：JP2003090249
申请日：2003-03-28
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： KIMATA RIE , MURATA KOICHI
IPC分类号： G02B5/30 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To obtain an optical head device, by which the stable information recording/reproducing operation is carried out in the optical head device compatible with three wavelengths of 785/660/410 nm conformed to CD/DVD/next-generation optical disk, by transmitting a linear polarization of a 660 nm wavelength band in this polarized state and mounting a phase unit on the device to rotate the polarizing direction by 90°. SOLUTION: The phase unit is manufactured in such a manner that two double refraction plates 101, 102 having the phase difference of an integral multiple of the wavelength with respect to the light of 660 nm are laminated so that each optical axis is intersected with respect to the polarizing direction of the linear polarization of 785 nm while forming the angle decided in accordance with the phase difference of the double refraction plates 101, 102, then this phase unit is installed on the optical head device. COPYRIGHT: (C)2005,JPO&NCIPI

32. 发明专利

JP2004178773A Optical head device 有权
标题翻译：光头设备
公开(公告)号：JP2004178773A
公开(公告)日：2004-06-24
申请号：JP2002347260
申请日：2002-11-29
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： FUJINO YOUSUKE , MURAKAWA SHINKO , MURATA KOICHI
IPC分类号： G02F1/13 , G02F1/13363 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical head device which has reduced aberration and is small-sized and light-weighted, and which is compatible with different kinds of optical disks. SOLUTION: A liquid crystal element mounted in an optical head device is constituted so that a liquid crystal is sandwiched between two transparent substrates. At the periphery of an area decided by a numerical aperture to outgoing light having a maximum wavelength between at least two usable wavelength on a surface of one transparent substrate, the element is formed so that concentric electrodes about an optical axis are formed and a wave aberration of the outgoing light having the maximum wave length is compensated. The liquid crystal device 10 is located in an optical path between a synthesis prism 7 of the optical head device, and an optical recording medium 5. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种具有减小的像差并且尺寸小且重量轻并且与不同种类的光盘兼容的光学头装置。解决方案：安装在光学头装置中的液晶元件被构造成使得液晶夹在两个透明基板之间。在由一个数值孔径决定的面积的周边上，在一个透明基板的表面上具有至少两个可用波长之间的最大波长的出射光，该元件形成为形成围绕光轴的同心电极，并且波像差具有最大波长的出射光的补偿。液晶装置10位于光学头装置的合成棱镜7和光记录介质5之间的光路中。（C）2004，JPO

33. 发明专利

JP2013071912A Method for producing tetrafluoroethylene and chlorotrifluoroethylene 审中-公开
标题翻译：四氯氟乙烯和氯氟丙烯的生产方法
公开(公告)号：JP2013071912A
公开(公告)日：2013-04-22
申请号：JP2011212428
申请日：2011-09-28
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： SASAO YASUYUKI , FURUTA SHOJI , OTSUKA TETSUO , KITANI DAINARI , MURATA KOICHI
IPC分类号： C07C17/269 , C07C21/18 , C07C21/185
摘要： PROBLEM TO BE SOLVED: To provide a method for producing tetrafluoroethylene and a chlorotrifluoroethylene stably and at high yield even in a large scale.SOLUTION: The method for producing tetrafluoroethylene and chlorotrifluoroethylene is characterized by heating a raw material gas including, as main components, flon 21 (CHClF) and flon 22 (CHClF) by bringing into contact with steam to cause reactions having the following steps (a) to (c), wherein (a) a raw material gas supplying step of supplying the raw material gas including the flon 21 and the flon 22 with molar ratios of the flon 21 to the flon 22 of 2/98 through 80/20 and heating over a clouding point and 400°C or lower, (b) a steam supplying step of supplying steam with elevated temperatures at 800°C through 1,100°C and (c) a reaction step of heating the raw material gas by bringing into contact with the steam to cause reaction to give the tetrafluoroethylene and the chlorotrifluoroethylene, where the molar ratio of the contact amounts of the raw material gas to the steam be 30/70 through 2/98.
摘要翻译：待解决的问题：提供即使大规模地稳定且高产率地制备四氟乙烯和三氟氯乙烯的方法。解决方案：四氟乙烯和一氯三氟乙烯的制造方法的特征在于，加热作为主要成分的氟里昂（CHCl·SB POS =“POST”> 2S / F）和氟利昂22（CHClF）的原料气体通过与蒸汽接触引起具有以下步骤（a）至（c）的反应的 2 ），其中（a）原料气体供应步骤，包括氟里昂21和氟里昂22的气体，其中氟里昂21与氟里昂22的摩尔比为2/98至80/20，并且在浊点和400℃或更低温度下加热，（b）蒸汽供应步骤，蒸汽在800℃至1100℃的高温下进行，（c）通过与蒸汽接触而使原料气体接触而引起反应，得到四氟乙烯和三氟氯乙烯的反应步骤，其中接触摩尔比蒸汽的原料气体的量为30/70至2/98。版权所有（C）2013，JPO＆INPIT

34. 发明专利

JP2012018413A Diffractive element and optical head device 有权
$Diffractive element and optical head device$
标题翻译：衍射元件和光学头设备
公开(公告)号：JP2012018413A
公开(公告)日：2012-01-26
申请号：JP2011191964
申请日：2011-09-02
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： OSAWA MITSUO , MURATA KOICHI
IPC分类号： G02B5/18 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical head device with a high degree of design flexibility, and high light use efficiency by mounting a diffractive element capable of controlling diffraction efficiency such as making wavelength dependence of the diffraction efficiency almost constant.SOLUTION: A diffractive element is provided with cyclical concave-convex parts formed on a transparent substrate 3. Convex parts of the diffractive element have optical multilayer films 1 that have different refractive indexes and are disposed in parallel on a transparent substrate surface, and at least the concave parts of the diffractive element are filled with filling materials 2 with the refractive index different from that of the transparent substrate. The diffractive element is mounted in a light path between a light source of the optical head device and an objective lens.
摘要翻译：要解决的问题：通过安装能够控制衍射效率的衍射元件（例如使衍射效率的波长依赖性几乎恒定）来提供具有高设计灵活性和高光效率的光学头装置。解决方案：衍射元件设置有形成在透明基板3上的循环凹凸部分。衍射元件的凸部具有折射率不同并且平行设置在透明基板表面上的光学多层膜1，并且至少用衍射元件的凹部填充折射率不同于透明基板的折射率的填充材料2。衍射元件安装在光学头装置的光源和物镜之间的光路中。版权所有（C）2012，JPO＆INPIT

35. 发明专利

JP2011181177A Optical head device 审中-公开
标题翻译：光头设备
公开(公告)号：JP2011181177A
公开(公告)日：2011-09-15
申请号：JP2011125697
申请日：2011-06-03
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： NOMURA TAKUJI , MURATA KOICHI
IPC分类号： G11B7/135 , G02F1/13 , G02F1/1343 , G11B7/09
摘要： PROBLEM TO BE SOLVED: To provide an optical head device equipped with a phase correction element capable of continuously varying the wavefront of light emitted from a light source in a plane. SOLUTION: The optical head device is constituted by disposing the phase correction element between a collimator lens 3 that parallelizes light from a light source 1 and an objective lens 6 that focuses the emitted light on an optical recording medium 8. The phase correction element has an anisotropic optical medium between transparent substrates on which at least one continuous electrode having a plurality of power feed parts disposed at different is positioned each of which can supply a different voltage is formed in such a manner as to cover an area where the wavefront shape of incident light is continuously varied except an area where a wiring part for each power feed part is formed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种配备有能够连续地改变从平面中的光源发出的光的波前的相位校正元件的光学头装置。解决方案：光头装置通过将相位校正元件设置在平行来自光源1的光的准直透镜3和将发射光聚焦在光学记录介质8上的物镜6之间来构成。相位校正元件在透明基板之间具有各向异性光学介质，其上形成有至少一个具有设置在不同的多个馈电部分的连续电极，其中每个能够提供不同电压的连续电极被设置成覆盖波前的区域除了形成用于每个供电部的布线部的区域之外，入射光的形状是连续变化的。版权所有（C）2011，JPO＆INPIT

36. 发明专利

JP2010170589A Optical head device 审中-公开
标题翻译：光头设备
公开(公告)号：JP2010170589A
公开(公告)日：2010-08-05
申请号：JP2009009638
申请日：2009-01-20
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： MURATA KOICHI , TOUGE YUKIHIRO , KONDO HIROMI , OKAWA HIROYUKI , OHARA MORITERU
IPC分类号： G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical head device in which an optical member formed of an organic material is not deteriorated. SOLUTION: The optical head device includes: a first light source having a wavelength λ1 of 380 nm to 450 nm; a second light source having a wavelength λ2 of 600 nm to 900 nm; an optical member for multiplexing light from the first light source and light from the second light source; an objective lens for irradiating an optical disk with light from the first light source and the second light source; a light receiving element for detecting the reflected light of light with which the optical disk is irradiated; an optical member for a laser partially formed of an organic material; and a blue light absorbing member for absorbing blue light. In the optical head device, the optical member for the laser and the blue light absorbing member are arranged in positions which are on an optical path of the light from the second light source but not on an optical path of the light from the first light source, and the blue light absorbing member has the light absorptance of the wavelength λ1 of 90% and the light absorptance of the wavelength λ2 of 10%, and is formed of a material containing a bismuth oxide. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种其中由有机材料形成的光学构件不会劣化的光学头装置。光头装置包括：波长λ1为380nm至450nm的第一光源; 波长λ2为600nm〜900nm的第二光源; 用于复用来自第一光源的光和来自第二光源的光的光学构件; 用于对来自第一光源和第二光源的光照射光盘的物镜; 用于检测照射光盘的光的反射光的光接收元件; 用于部分地由有机材料形成的激光的光学部件; 以及用于吸收蓝色光的蓝色光吸收构件。在光头装置中，激光用的光学部件和蓝色光吸收部件配置在来自第二光源的光的光路上，但不配置在来自第一光源的光的光路上蓝色光吸收部件具有波长λ1为90％的光吸收率，波长λ2的光吸收率为10％，并且由含有氧化铋的材料形成。版权所有（C）2010，JPO＆INPIT

37. 发明专利

JP2010067310A Wide-band wavelength plate and optical head device 有权
标题翻译：宽带波长板和光头设备
公开(公告)号：JP2010067310A
公开(公告)日：2010-03-25
申请号：JP2008232236
申请日：2008-09-10
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： TOUGE YUKIHIRO , MURAKAWA SHINKO , MURATA KOICHI
IPC分类号： G11B7/135 , G02B5/30
摘要： PROBLEM TO BE SOLVED: To provide a wide-band wavelength plate receiving a plurality of light rays different in wavelength and emitting them by controlling a polarization state of the light rays, and to provide an optical head device. SOLUTION: The wide-band wavelength plate 10 comprises a first wavelength plate 13a and a second wavelength plate 13b parallel to each other. The wavelength plate 10 emits linearly polarized light of wavelength of λ 1 and λ 2 as circular polarized light, and emits light of wavelength of λ 3 as linearly polarized light (wherein λ 1 2 3 ) by adjusting retardation values Rd 1 , Rd 2 of the two wavelength plates, pretwist angles α 1 , α 2 as an angle between the direction of incident linearly polarized light and the major axis direction of liquid crystal molecules where the light enters, and twist angles β 1 , β 2 of liquid crystal molecules in the two wavelength plates, respectively. A compact optical head device and high-quality recording and reproduction are achieved. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供接收波长不同的多个光线的宽带波长板，并通过控制光线的偏振状态来发射它们，并提供一种光学头装置。解决方案：宽带波片10包括彼此平行的第一波长板13a和第二波长板13b。波长板10发射波长为λ 1 和λ 2 的线偏振光作为圆偏振光，并发射波长λ 3 作为线偏振光（其中λ 1 <λ 2 <λ 3 ），通过调节延迟值Rd 1 Rd＆lt; SB＆gt; 2＆lt; / SB＆gt;作为入射线偏振光的方向与主体之间的角度的预旋角α 1 α 2 光入射的液晶分子的轴向方向和两个波长板中的液晶分子的扭曲角β 1 ，β 2

38. 发明专利

JP2009294679A Projection-type display device 有权
标题翻译：投影型显示设备
公开(公告)号：JP2009294679A
公开(公告)日：2009-12-17
申请号：JP2009216981
申请日：2009-09-18
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： MURATA KOICHI , OSAWA MITSUO
IPC分类号： G03B21/00 , G02B5/30 , G02B27/28 , G02F1/13 , G02F1/1335
CPC分类号： G02B5/3041 , G02B27/1046 , G02B27/1086 , G02B27/145 , G02B27/149 , G02B27/283 , G03B21/2073 , G03B33/12
摘要： PROBLEM TO BE SOLVED: To provide a projection-type display device which can stably provide a high extinction ratio, is compact, and is resistant to heat. SOLUTION: In the projection-type display device having a light source, a color separation means for separating visible light emitted from the light source into light of a plurality of wavelength regions, a first polarization means constituted of a plurality of polarizers straightly transmitting light polarized in a first polarization direction on an optical axis and altering a progressing direction of light polarized in a second polarization direction orthogonal to the first polarization direction or absorbing light polarized in the second polarization direction, reflection mirrors reflecting light of each wavelength region straightly transmitted through the first polarization means and a plurality of liquid crystal panels modulating light of each wavelength region according to an image to be displayed, each of polarizers disposed between the color separation means and the reflection mirrors on the light path straightly transmits light polarized in the first polarization direction in the first polarization direction at a center part of a surface in which light of each wavelength region is made incident and straightly transmits light polarized in the first polarization direction in a polarization direction different from the first polarization direction at a peripheral part of the surface. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够稳定地提供高消光比的投影型显示装置，其结构紧凑，耐热。解决方案：在具有光源的投影型显示装置中，将从光源发出的可见光分离为多个波长区域的光的分色装置，将由多个偏振片直接构成的第一偏振装置透射在光轴上沿第一偏振方向偏振的光，并改变在与第一偏振方向正交的第二偏振方向上偏振的光的行进方向或吸收在第二偏振方向偏振的光的反射镜，将每个波长区域的光直接反射通过第一偏振装置透射的多个液晶面板和根据要显示的图像调制每个波长区域的光的多个液晶面板，设置在颜色分离装置和光路之间的反射镜之间的每个偏振器直线透射在第一偏振方向 n表示每个波长区域的光的入射中心部分处的第一偏振方向，并且在表面的周边部分沿与第一偏振方向不同的偏振方向直线透射在第一偏振方向偏振的光。版权所有（C）2010，JPO＆INPIT

39. 发明专利

JP2009099159A Optical head device 审中-公开
标题翻译：光头设备
公开(公告)号：JP2009099159A
公开(公告)日：2009-05-07
申请号：JP2007266594
申请日：2007-10-12
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： TOUGE YUKIHIRO , MIYASAKA KOJI , MURATA KOICHI
IPC分类号： G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide a hologram element for reducing stray light which reaches an optical detector of an optical head device for reproducing an optical disk with a plurality of layers by using a single beam method. SOLUTION: The hologram element for guiding signal light reflected on the optical disk to the optical detector by diffraction is disposed, and a first area 21a, a second area 22a, and a third area 23a are set in an effective area of the hologram element receiving the light. When a proportion of the incident light reaching through the hologram element to the optical detector is defined as a transmittance, the transmittance of the third area is smaller than the transmittance of the first area and larger than the transmittance of the second area. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于减少杂散光的全息元件，其到达光学头装置的光学检测器，用于通过使用单光束法再现具有多个层的光盘。解决方案：用于将通过衍射将光反射到光学检测器的信号光引导的全息元件设置在第一区域21a，第二区域22a和第三区域23a的有效区域中全息元件接收光。当通过全息元件到达光学检测器的入射光的一部分被定义为透射率时，第三区域的透射率小于第一区域的透射率，并且大于第二区域的透射率。版权所有（C）2009，JPO＆INPIT

40. 发明专利

JP2008262660A Optical head device 审中-公开
标题翻译：光头设备
公开(公告)号：JP2008262660A
公开(公告)日：2008-10-30
申请号：JP2007106418
申请日：2007-04-13
申请人： Asahi Glass Co Ltd , 旭硝子株式会社
发明人： MURATA KOICHI
IPC分类号： G11B7/125 , G11B7/135
摘要： PROBLEM TO BE SOLVED: To provide an optical head device in which the quantity of light to be condensed to a disk can be stabilized and eventually the stable reading or writing of information can be performed. SOLUTION: The optical head device includes a semiconductor laser 11 which emits linearly polarized light, a PBS 12 which separates the exit light thereof to two optical paths, a photodetector 13 which monitors the light quantity of the separated first light (monitor light), and a condenser lens 15 which condenses the separated second light (recording/reproducing light) to a disk D. The PBS 12 varies in the light quantity separation ratio of separating the optical paths by a polarization direction of the incident light. Further, the optical head device includes a first quarter-wave plate 17, a circularly polarized light selective reflection element 18 which approximately reflects the first circularly polarized light rotating the first light in a first rotation direction and approximately transmits the light of the second circularly polarized light rotating in an opposite direction, and an optical photodetector 16 which detects the reflected light from the disk D. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种光头装置，其中可以使要冷凝到光盘的光量稳定，并且最终可以执行稳定的信息读取或写入。解决方案：光头装置包括发射线偏振光的半导体激光器11，将其出射光分离成两个光路的PBS 12，监测分离的第一光的光量的监视器13（监视器光）和将分离的第二光（记录/再现光）冷凝到盘D的聚光透镜15.PBS 12以通过入射光的偏振方向分离光路的光量分离比变化。此外，光学头装置包括第一四分之一波片17，圆偏振光选择反射元件18，其大致反射第一圆偏振光，该第一圆偏振光沿第一旋转方向旋转第一光，并近似透射第二圆偏振光相反方向旋转的光以及检测来自盘D的反射光的光学检测器16.（C）2009，JPO＆INPIT

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