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    • 1. 发明专利
    • Waveguide type optical delay interferometer
    • 波形型光学延迟干涉仪
    • JP2011099928A
    • 2011-05-19
    • JP2009253323
    • 2009-11-04
    • Hitachi Cable LtdTonichi Kyosan Densen Kk日立電線株式会社東日京三電線株式会社
    • TAKASUGI SATORUARAI HIDEAKIHAJIKAWA SATORUGOTO RYOHEI
    • G02F1/01
    • PROBLEM TO BE SOLVED: To provide a waveguide type optical delay interferometer configured to stably and uniformly perform the temperature control of an optical waveguide substrate, and also minimize deterioration in polarization-dependent frequency, even when mounted on a sub-mount by adhesion or even when driving a Peltier module.
      SOLUTION: An elastic modulus (Young's module) of an adhesive used to adhere and fix between the sub-mount 5 and the optical waveguide substrate 2, and between the sub-mount 5 and the Peltier module 4 is ≤10
      4 Pa. Regarding the Peltier module 4, the surface 4a adhered to the sub-mount 5 is formed to a rectangular shape in a plane view, and the diagonal length L
      p of the surface 4a adhered to the sub-mount satisfies the following expression (1): E
      sub ×t
      3 /L
      p ≥32(GPa.mm
      2 )...(1), wherein E
      sub : the elastic modulus(Young's modulus)(GPa) of the sub-mount, (t): a height (mm) of the sub-mount, L
      p : the diagonal length (mm) of the surface adhered to the sub-mount, of the Peltier module.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种配置为稳定且均匀地执行光波导基板的温度控制的波导型光学延迟干涉仪,并且还使极化相关频率的劣化最小化,即使当通过 附着力甚至驱动珀耳帖模块时。 解决方案:用于粘附并固定在副安装座5与光波导基板2之间以及子安装座5与珀耳帖组件4之间的粘合剂的弹性模量(杨氏模量)≤10 4 帕。 关于珀耳帖模块4,附着在副底座5上的表面4a在平面图中形成为矩形,并且表面4a的对角线长度L SB 粘附到副底座 满足以下表达式(1):E sub ×t 3 / L ≥32(GPa.mm 2 )...(1)其中E sub :副安装座的弹性模量(杨氏模量)(GPa)(t):副安装座的高度(mm) ,P <! - SIPO - >为Peltier模块的附着于副安装座的表面的对角线长度(mm)。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Lan cable
    • LAN电缆
    • JP2009301817A
    • 2009-12-24
    • JP2008153762
    • 2008-06-12
    • Hitachi Cable LtdTonichi Kyosan Densen Kk日立電線株式会社東日京三電線株式会社
    • WATANABE AKIRAWATABIKI MISAOSHIMOYAMA YUICHI
    • H01B11/02H01B7/295
    • PROBLEM TO BE SOLVED: To provide a LAN cable having electric characteristics (transmission characteristics) of a LAN cable of a general CAT5E level at normal time, and, at a time of fire, having performance of being proof even against heating with a fire temperature curve (15 minutes, 380°C) of a half of a fire temperature curve for a fire resistant cable specified in JIS A1304. SOLUTION: The LAN cable 1 is configured by covering an assembly of twisted wires formed by bundling a plurality of twisted pair wires 3 with an overall sheath 6, each of the twisted pair wires 3 being configured of insulated core wires 2 each of which is formed by covering a conductor 7 with crosslinked polyethylene. A gap layer 4 and a thermal shield layer 5 formed on the gap layer 4 are provided between the assembly of twisted wires and the overall sheath 6. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种在正常时候具有一般CAT5E电平的LAN电缆的电特性(传输特性)的LAN电缆,并且在发生火灾时具有甚至具有即使是加热的性能的性能 为JIS A1304规定的耐火电缆的耐火温度曲线的一半的耐火温度曲线(15分钟,380℃)。 解决方案:LAN电缆1通过覆盖通过将多根双绞线3与整体护套6捆绑而形成的双绞线的组件构成,每对双绞线3由绝缘芯线2构成, 其通过用交联聚乙烯覆盖导体7而形成。 形成在间隙层4上的间隙层4和热屏蔽层5设置在扭绞线组件与整体护套之间。(C)2010,JPO&INPIT