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    • 2. 发明专利
    • Optical fiber collimator
    • 光纤收缩机
    • JP2009109989A
    • 2009-05-21
    • JP2008235301
    • 2008-09-12
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • YAMAMOTO REI
    • G02B6/02G02B6/26
    • PROBLEM TO BE SOLVED: To provide an optical fiber collimator having a long WD and an excellent productivity by using one GI optical fiber having the same diameter as that of a single mode optical fiber. SOLUTION: The optical fiber collimator (1) has the GI optical fiber (103) which is optically connected to a first single mode optical fiber (100) via a second single mode optical fiber (101). The optical fiber collimator is configured such that the numerical aperture NA of the first single mode optical fiber and the numerical aperture NA of the second single mode optical fiber are different from each other, further it is preferable that the numerical aperture NA of the first single mode optical fiber is smaller than the numerical aperture NA of the second single mode optical fiber. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:通过使用具有与单模光纤相同直径的一个GI光纤,提供具有长WD并且生产率优异的光纤准直器。 解决方案:光纤准直器(1)具有通过第二单模光纤(101)与第一单模光纤(100)光学连接的GI光纤(103)。 光纤准直器被配置为使得第一单模光纤的数值孔径NA和第二单模光纤的数值孔径NA彼此不同,此外,优选地,第一单模光纤的数值孔径NA 模式光纤小于第二单模光纤的数值孔径NA。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Optical multiplexer/demultiplexer and optical system
    • 光学多路复用器/解复用器和光学系统
    • JP2007017520A
    • 2007-01-25
    • JP2005196484
    • 2005-07-05
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • YAMAMOTO REIMIYADERA NOBUO
    • G02B6/12G02B6/293
    • PROBLEM TO BE SOLVED: To provide an optical multiplexer/demultiplexer and an optical system, in which the strictness of optical filter arrangement can be relaxed by a method other than multimode optical waveguide. SOLUTION: The optical system is provided with a directional coupler (2), having a first and a second optical coupling path (14), (16) extending in the propagation direction of light; a first optical waveguide (4), connected to one side of the first optical coupling path (14); a second optical waveguide (6), connected to one side of the second optical coupling path (16); a third optical waveguide (8), connected to the other side of the first optical coupling path (14); and an optical filter installing means (26), which is provided in a manner crossing the first and second optical coupling paths (14), (16) and for installing the optical filter (12). In the optical multiplexer/demultiplexer (1), the optical filter (12) is installed in the groove (26) of the optical system. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种光复用器/解复用器和光学系统,其中可以通过除多模光波导之外的方法来放宽光学滤波器布置的严格性。 解决方案:光学系统设置有定向耦合器(2),其具有在光的传播方向上延伸的第一和第二光耦合路径(14),(16) 连接到第一光耦合路径(14)的一侧的第一光波导(4); 连接到所述第二光耦合路径(16)的一侧的第二光波导(6); 连接到第一光耦合路径(14)的另一侧的第三光波导(8); 以及以与第一和第二光耦合路径(14),(16)交叉的方式设置并安装滤光器(12)的滤光器安装装置(26)。 在光复用器/多路分解器(1)中,滤光器(12)安装在光学系统的凹槽(26)中。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Optical waveguide structure
    • 光波导结构
    • JP2006317545A
    • 2006-11-24
    • JP2005137597
    • 2005-05-10
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • MIYADERA NOBUOYAMAMOTO REI
    • G02B6/122G02B6/30
    • PROBLEM TO BE SOLVED: To provide an optical waveguide structure having a branched multiplexing part which radiates high order mode while preventing a lengthy structure and to provide an optical waveguide structure which suppresses the variation in output light intensity from a plurality of ports due to the reinput of the high order mode even when the deviated direction of incident position of light to a single port varies. SOLUTION: The present invention relates to the optical waveguide structure having a branched multiplexing part. A light splitter (1) of the present invention has a single port (2) provided on an emitting/incident side, a plurality of ports (4) provided on the other emitting/incident side, and a core structure (6) extending to be branched from the single port (2) to the plurality of ports (4). The core structure (6) has a single first core (10) extending from the single port (2) and a first branched multiplexing part (12) which is connected to and branches the first core (10). The first core (10) is formed along the center line composed of only a curved line which is curved in one direction. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供一种具有分支多路复用部分的光波导结构,其辐射高阶模式同时防止长的结构,并提供抑制多个端口的输出光强度的变化的光波导结构,由此 即使当光到单个端口的入射位置的偏离方向变化时,也能够进入高阶模式的再输入。 解决方案:本发明涉及具有分支复用部分的光波导结构。 本发明的分光器(1)具有设置在发光/入射侧的单个端口(2),设置在另一个发射/入射侧的多个端口(4)和延伸到 从单个端口(2)分支到多个端口(4)。 核心结构(6)具有从单个端口(2)延伸的单个第一核心(10)和连接到第一核心(10)并且分支第一核心(10)的第一分支多路复用部分(12)。 第一芯(10)沿着仅在一个方向上弯曲的曲线构成的中心线形成。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Curvilinear optical waveguide and optical device
    • CURVILINEAR光波导和光学器件
    • JP2005208446A
    • 2005-08-04
    • JP2004016537
    • 2004-01-26
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • MIYADERA NOBUOYAMAMOTO REI
    • G02B6/122
    • PROBLEM TO BE SOLVED: To provide a curvilinear optical waveguide which can suitably be used in the case of connecting optical waveguides whose characteristics are different. SOLUTION: This invention provides: a curvilinear optical waveguide which is characterized in that its core form does not have an inversion of curvature in its halfway and curvature in one end gradually becomes zero and also radius of curvature in another end is finite in an optical waveguide consisting of a core and a clad; an optical waveguide in which another optical wavegiude having different core form is arranged by being optically connected to such a curvilinear optical waveguide; and an optical device which uses such curvilinear optical waveguides. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种曲线式光波导,其适合用于连接特性不同的光波导的情况。 解决方案:本发明提供:一种曲线光波导,其特征在于其芯形在其中途不具有曲率的反转,并且一端的曲率逐渐变为零,另一端的曲率半径在 由芯和包层组成的光波导; 通过光学地连接到这样的曲线光波导来布置具有不同芯形的另一光波长的光波导; 以及使用这种曲线光波导的光学装置。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Curvilinear optical waveguide and optical device
    • CURVILINEAR光波导和光学器件
    • JP2005208445A
    • 2005-08-04
    • JP2004016536
    • 2004-01-26
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • MIYADERA NOBUOYAMAMOTO REI
    • G02B6/122
    • PROBLEM TO BE SOLVED: To provide a curvilinear optical waveguide which can suitably be used in the case of connecting optical waveguides whose characteristics are different. SOLUTION: This invention provides: a curvilinear optical waveguide which is characterized in that its core form does not have an inversion of curvature in its halfway and curvature in both ends gradually become zero in the optical waveguide consisting of a core and a clad; an optical waveguide in which another optical wavegiude having different core form is arranged by being optically connected to the curvilinear optical waveguide; and an optical device which uses such curvilinear optical waveguides. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种曲线式光波导,其适合用于连接特性不同的光波导的情况。 解决方案:本发明提供一种曲线光波导,其特征在于,其芯形在其中途不具有曲率倒转,并且在由芯和包层组成的光波导中两端的曲率逐渐变为零 ; 通过光学地连接到曲线式光波导来布置具有不同芯形的另一光波芯的光波导; 以及使用这种曲线光波导的光学装置。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Method and device for monitoring optical waveguide propagation light
    • 用于监测光波导传播光的方法和装置
    • JP2005128099A
    • 2005-05-19
    • JP2003361004
    • 2003-10-21
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • YAMAMOTO REIMIYADERA NOBUO
    • G02B6/42G02B6/122H01L31/0232
    • PROBLEM TO BE SOLVED: To provide a structure for monitoring an optical waveguide which is small-sized and whose configuration is very simple and stable, and also to provide a method for monitoring the optical waveguide propagation light. SOLUTION: In the method for monitoring the optical waveguide, a part of the light propagating through the waveguide in the clad is taken out, and the taken-out light is converted into an electrical signal with a light-receiving element. A low refractive index part whose refractive index is lower than the other part in the clad, and the light reflected by the low refractive index part on the opposite side of the low refractive index part is detected, as regards the optical waveguide. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种小尺寸并且其结构非常简单和稳定的光波导的监视结构,并且还提供了一种监测光波导传播光的方法。 解决方案:在用于监测光波导的方法中,取出在包层中通过波导传播的一部分光,并将取出的光转换成具有光接收元件的电信号。 关于光波导,检测折射率低于包层中的其他部分的低折射率部分和由低折射率部分的相对侧上的低折射率部分反射的光。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Ic card and its manufacture
    • IC卡及其制造
    • JPH11272834A
    • 1999-10-08
    • JP7395698
    • 1998-03-23
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • SHIROGANE JUNJIYAMAMOTO REI
    • G06K19/077B42D15/10
    • PROBLEM TO BE SOLVED: To provide an IC card using a polyethylene terephtalate film which can be embossed and its manufacture.
      SOLUTION: The IC card consists of a circuit board 2 which is made of the polyethylene terephtalate film where an area 1 for the embossment of the card is cut, hot-melt adhesives 3, and skin layers 4, and this IC card is manufactured by cutting the area of the circuit board where the embossment of the card is performed, stacking the skin layers 4 coated with hot-melt adhesives 3 on both the surfaces of the circuit board 2 with the hot-melt adhesives 3 in, and pressing and heating them for laminate adhesion.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:提供一种使用可压花和制造的聚对苯二甲酸乙二醇酯膜的IC卡。 解决方案:IC卡由电路板2组成,该电路板由聚对苯二甲酸乙二醇酯膜制成,其中切割卡片的压花区域1,热熔胶3和表皮层4,该IC卡由 切割执行卡的浮雕的电路板的区域,将热熔粘合剂3涂覆有热熔粘合剂3的表皮层4与热熔粘合剂3一起堆叠在电路板2的两个表面上,并且加压和加热 它们用于层压粘合。
    • 10. 发明专利
    • Optical waveguide
    • 光波导
    • JP2008203900A
    • 2008-09-04
    • JP2008143075
    • 2008-05-30
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • MIYADERA NOBUOYAMAMOTO REI
    • G02B6/122
    • PROBLEM TO BE SOLVED: To reduce optical loss caused by misalignment between the center axis of an optical propagation mode in a curved optical waveguide and that of an optical waveguide. SOLUTION: The optical waveguide having a curved part is provided and is characterized in that when the minimum distance from a predetermined position of the outside edge part of the curved part up to the inside edge part is set as the optical waveguide width at the predetermined position, the optical waveguide width gradually decreases from the maximum optical waveguide width in the middle of the curved part toward both end parts of the curved part. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了减少由弯曲光波导中的光传播模式的中心轴与光波导的光传播模式的中心轴之间的不对准引起的光损耗。 解决方案:提供具有弯曲部分的光波导,其特征在于,当从弯曲部分的外边缘部分的预定位置到内边缘部分的最小距离设定为光波导宽度在 在预定位置,光波导宽度从弯曲部分的中间的最大光波导宽度向弯曲部分的两端部逐渐减小。 版权所有(C)2008,JPO&INPIT