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    • 3. 发明专利
    • Wavelength selection switch
    • 波长选择开关
    • JP2014035377A
    • 2014-02-24
    • JP2012175366
    • 2012-08-07
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • SENOO KAZUNORISUZUKI MASAYAOBA NAOKIWATANABE TOSHIOITO MASAYUKISAKAMOTO TADASHITAKAHASHI TETSUO
    • G02B26/08G02B6/12
    • PROBLEM TO BE SOLVED: To output signal light to an arbitrary input/output waveguide according to an incidence angle on an optical waveguide substrate within the optical waveguide substrate in a wavelength selection switch by coupling light reflected at an arbitrary angle by light deflecting means, again to the optical waveguide substrate as incident light to which a position offset is not applied and only an angle offset is applied.SOLUTION: A wavelength selection switch includes: an optical waveguide substrate 301 including an array waveguide grating comprising an input waveguide 401, an output waveguide 402, a slab waveguide 403, and an array waveguide 404; spectroscopic means 304 which demultiplexes wavelengths of a wavelength- multiplexed optical signal emitted from the array waveguide; a lens; and light deflecting means 306 which independently gives phase shifts to wavelength-demultiplexed optical signals condensed by the lens and reflects the optical signals to which the phase shifts have been given, so that the optical signals are coupled again to the array waveguide via the spectroscopic means 304. When signal light is inputted from the input waveguide and the output waveguide, respective principal rays of the signal light are outputted from the same position in the optical waveguide substrate.
    • 要解决的问题:通过将由光偏转装置以任意角度反射的光耦合在波长选择开关中,根据入射角将光信号输出到光波导基板内的光波导基板上的信号光 作为不施加位置偏移的入射光的光波导基板,并且仅施加角度偏移。解决方案:波长选择开关包括:包括阵列波导光栅的光波导基板301,包括输入波导401,输出 波导402,平板波导403和阵列波导404; 分光装置304,其分离从阵列波导发射的波长复用光信号的波长; 镜头 以及光偏转装置306,其独立地给予由透镜聚合的波长解复用的光信号的相移,并且反射已经给出相移的光信号,使得光信号经由分光装置再次耦合到阵列波导 当从输入波导和输出波导输入信号光时,信号光的各个主光线从光波导基板的相同位置输出。
    • 4. 发明专利
    • Optical waveguide and method for manufacturing the same
    • 光波导及其制造方法
    • JP2013122509A
    • 2013-06-20
    • JP2011270426
    • 2011-12-09
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • ITO MASAYUKIKOMINATO TOSHIMIABE ATSUSHIITOU MIKITAKA
    • G02B6/13
    • PROBLEM TO BE SOLVED: To provide a low loss optical waveguide capable of avoiding crystallization of a core glass by heat treatment and a method for manufacturing the same.SOLUTION: A quartz based optical waveguide comprises: a substrate; an under clad layer consisting of quartz based glass deposited on the substrate; a core consisting of quartz based glass, deposited on the under clad layer and having light propagation effect; a first over clad layer consisting of quartz based glass and deposited on the core and the under clad layer; and one or two over clad layers consisting of quartz based glass and deposited on the first over clad layer. After the first over clad layer is formed, the first over clad layer is heat-treated at 1100°C or more and 1400°C or less before the one or two over clad layers are formed.
    • 要解决的问题:提供一种能够通过热处理避免芯玻璃结晶的低损耗光波导及其制造方法。 解决方案:石英基光波导包括:基板; 由沉积在基板上的石英基玻璃构成的下覆层; 由石英基玻璃构成的芯,沉积在下包层上并具有光传播效应; 由石英基玻璃构成并沉积在芯和下包层上的第一覆层; 以及由石英基玻璃构成的一层或两层上覆层,并沉积在第一覆层上。 在形成第一覆盖层之后,在形成一个或两个以上包覆层之前,将第一覆盖层在1100℃以上且1400℃以下进行热处理。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Method of manufacturing quartz-based optical waveguide
    • 制造基于QUARTZ的光波导的方法
    • JP2011043576A
    • 2011-03-03
    • JP2009190354
    • 2009-08-19
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • ITO MASAYUKIITO MASATAKAKOMINATO TOSHIMIABE ATSUSHINASU YUSUKE
    • G02B6/13
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a quartz-based optical waveguide, the method suppressing the occurrence of cracks due to tensile stress with respect to a core layer while suitably maintaining optical characteristics of an optical waveguide to be manufactured. SOLUTION: The method includes: first, preparing a lower clad layer on a silicone substrate by using an FHD method (step 1); next, depositing an SiON core layer using a reactive sputtering method (step 2); then, forming a core pattern of which the core width is varied from 1 micron to 200 microns using photolithography and a reactive ion etching method (step 3); thereafter, performing heat treatment at 1,200°C (step 4); and lastly, forming an upper clad (step 5). A stress acting on a core pattern is greatly reduced by processing the core layer to the optical waveguide (core pattern), and hence even in the occurrence of cracks in the heat treatment in a state of the core layer, the occurrence of cracks can be prevented by performing heat treatment after the processing of the core pattern. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种制造石英基光波导的方法,该方法抑制由于拉伸应力而产生的相对于芯层的裂纹,同时适当地保持要制造的光波导的光学特性 。 解决方案:该方法包括:首先,通过使用FHD方法(步骤1)在硅树脂基底上制备下覆盖层; 接下来,使用反应性溅射法沉积SiON芯层(步骤2); 然后,使用光刻和反应离子蚀刻方法(步骤3)形成芯宽度从1微米至200微米变化的芯图案。 然后进行1,200℃的热处理(步骤4)。 最后形成上部包层(步骤5)。 通过将芯层加工成光波导(芯图案),作用在芯图案上的应力大大降低,因此即使在芯层的状态下的热处理发生裂纹,也可以发生裂纹 通过在芯图案的处理之后进行热处理来防止。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Electricity management server, electricity management system for disaster and electricity management method
    • 电力管理服务器,灾害和电力管理方法电力管理系统
    • JP2007151303A
    • 2007-06-14
    • JP2005342473
    • 2005-11-28
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • TAKAGI IWAOKOKADO KOICHIITO MASAYUKIOGAWA KATSUHIKO
    • H02J13/00H04Q9/00
    • PROBLEM TO BE SOLVED: To provide an electricity management server, an electricity management system for disaster and an electricity management method capable of preventing damage from spreading in case of a disaster and capable of speedily and safely evacuating people.
      SOLUTION: If the electricity management server 30 receives notification occurrence of an earthquake from an earthquake occurrence notification server 20 to recognize the occurrence of the earthquake in a building 70, determines whether or not people exist in a room 71 of the building 70 based on the detection result of a human sensor. When the people are not recognized in the room 71, the electric supply to the building 70 is stopped by a breaker 62. When the people are recognized, the electric supply is not stopped, and a lighting apparatus 51a is lighted.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种电力管理服务器,用于灾害的电力管理系统和电力管理方法,能够防止在遇到灾难时传播的损害,并能够快速安全地撤离人员。

      解决方案:如果电力管理服务器30从地震发生通知服务器20接收到地震的通知发生,以识别建筑物70中的地震的发生,则确定人是否存在于建筑物70的房间71中 基于人体传感器的检测结果。 当在房间71中没有识别到​​人时,通过断路器62停止对建筑物70的供电。当识别人时,电源不停止,照明装置51a点亮。 版权所有(C)2007,JPO&INPIT

    • 10. 发明专利
    • Method for manufacturing optical waveguide circuit having laminate core and optical signal processing device including the optical waveguide circuit
    • 用于制造具有层状核的光波导电路的方法和包括光波导电路的光信号处理装置
    • JP2011253012A
    • 2011-12-15
    • JP2010126110
    • 2010-06-01
    • Nippon Telegr & Teleph Corp 日本電信電話株式会社
    • MORI ATSUSHIKOMINATO TOSHIMIITO MASAYUKIABE ATSUSHIITOU MIKITAKAWATANABE TOSHIO
    • G02B6/13G02B6/12G02B6/122G02B26/08G02F1/31
    • PROBLEM TO BE SOLVED: To solve the problem that a conventional three-dimensional lamination type waveguide circuit is complicated in the overall formation process, the problem of long term reliability in the formation of a stack structure using an organic adhesive, and also the problem in that a circuit having uniform accuracy over each of layers cannot be formed due to low softening temperature of a cladding material.SOLUTION: In the method for manufacturing an optical waveguide circuit according to the present invention, a core layer having two ore more sub layers laid in an order of an under clad, a core, an intermediate clad, and a core on a substrate is exposed to light using a photomask, and glass films including the multi-layer core layer are etched all at once, thereby forming an optical waveguide. The invention is characterized in that the optical waveguide circuits of the same structure are formed by three-dimensionally processing all at once. Further, a stackable structure in which the over-clad layers of two lamination type AWGs formed by the above-described method are made to face each other makes it possible for more equivalent layers stacked over one another.
    • 解决的问题为了解决传统的三维叠层型波导电路在整体形成过程中复杂的问题,使用有机粘合剂形成叠层结构的长期可靠性的问题,以及 由于包层材料的软化温度低,不能形成具有各层均匀的精度的电路的问题。 解决方案:在根据本发明的光波导电路的制造方法中,具有两层以上次层的芯层以下包层,芯,中间包层和芯的顺序铺设在芯层上 使用光掩模将基板曝光,并且包括多层芯层的玻璃膜一次蚀刻,从而形成光波导。 本发明的特征在于,同一结构的光波导电路一次三维处理形成。 此外,通过使用上述方法形成的两层叠型AWG的上覆层彼此相对的可堆叠结构使得彼此堆叠的更多等效层成为可能。 版权所有(C)2012,JPO&INPIT