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    • 42. 发明专利
    • Optical waveguide structure
    • 光波导结构
    • JP2007219560A
    • 2007-08-30
    • JP2007146940
    • 2007-06-01
    • Hitachi Chem Co Ltd日立化成工業株式会社
    • YAMAMOTO REIMIYADERA NOBUO
    • G02B6/122
    • PROBLEM TO BE SOLVED: To provide an optical waveguide structure that facilitates manufacturing of components, with assembling adjustment made simple and stable, that can fully compensate deviation of peak in the intensity distribution, and that makes possible high reproducibility, small light quantity loss, and highly accurate equalization of a branching ratio. SOLUTION: The optical waveguide structure comprises a first optical waveguide having an A end and a B end, a second optical waveguide having a C end and a D end, a third optical waveguide having an E end and an F end, and a demultiplexing/multiplexing optical waveguide connecting at the first entry/exit thereof with the B end of the first optical waveguide and at the second entry/exit thereof with the C end of the second optical waveguide and with the E end of the third optical waveguide. The structure is characterized in that the lengths of the first optical waveguide and the demultiplexing/multiplexing optical waveguide have been determined such that a light intensity peak passes through an axis deviation position at the A end of the first optical waveguide and passes over the axis at the second entry/exit of the demultiplexing/multiplexing optical waveguide. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供便于制造零件的光波导结构,组装调整简单稳定,可以充分补偿强度分布中峰的偏差,并且使得可能的高重现性,小的光量 损失和高精度均衡的分支比。 解决方案:光波导结构包括具有A端和B端的第一光波导,具有C端和D端的第二光波导,具有E端和F端的第三光波导,以及 一个解复用/多路复用光波导,其第一入口/出口与第一光波导的B端连接,第二入口/出口与第二光波导的C端连接,第三光波导的E端 。 该结构的特征在于,第一光波导和解复用/多路复用光波导的长度被确定为使得光强峰通过第一光波导的A端的轴偏离位置,并且越过轴 解复用/复用光波导的第二进入/退出。 版权所有(C)2007,JPO&INPIT
    • 44. 发明专利
    • Thermal conductive composite sheet, method of manufacturing the same and heat radiator
    • 导热复合材料片及其制造方法和散热器
    • JP2013018171A
    • 2013-01-31
    • JP2011152324
    • 2011-07-08
    • Hitachi Chemical Co Ltd日立化成工業株式会社
    • YUI MOTOAKIYAJIMA TOMOAKISEKI TOMONORIYOSHIKAWA TORUYAMAMOTO REINISHIMURA MASATO
    • B32B27/30B32B5/28
    • PROBLEM TO BE SOLVED: To provide a thermal conductive composite sheet having excellent thermal conductivity and high mechanical strength.SOLUTION: The thermal conductive composite sheet has a constitution in which a sheet-like porous reinforcing material is interposed between the first thermal conductive layer and a first thermal conductive layer, and in which at least a part of holes in the porous reinforcing material is filled with at least one selected from poly(meth)acrylic acid ester-based polymeric compound forming each thermal conductive layer and hexagonal boron nitride particles having a specific crystal structure. At this time, the hexagonal boron nitride particles keep (0001) crystal faces oriented in a planar direction of scales, in major axis direction of elliptic spheres, or in major axis direction of bars, and the planar direction of scales, the major axis direction of elliptic spheres or the major axis direction of bars oriented in thickness direction of each thermal conductive layer and the reinforcing material.
    • 要解决的问题:提供具有优异导热性和高机械强度的导热复合片材。 解决方案:导热复合片材具有片状多孔增强材料插入在第一导热层和第一导热层之间的构造,并且多孔增强层中的至少一部分孔 材料填充有选自形成每个导热层的聚(甲基)丙烯酸酯基聚合物和具有特定晶体结构的六方氮化硼颗粒中的至少一种。 此时,六方晶系氮化硼颗粒保持(0001)晶面在椭圆球的长轴方向或棒的长轴方向上在鳞片的平面方向上取向,并且平面方向的尺度,长轴方向 椭圆球体的长轴方向或每个导热层和增强材料在厚度方向上的长轴方向。 版权所有(C)2013,JPO&INPIT
    • 45. 发明专利
    • Heat conductive sheet and heat dissipation plate
    • 导热板和散热板
    • JP2012158695A
    • 2012-08-23
    • JP2011019900
    • 2011-02-01
    • Hitachi Chemical Co Ltd日立化成工業株式会社
    • YOSHIKAWA TORUYAMAMOTO REIIWANAMI MITSUHIROYAJIMA TOMOAKIYUI MOTOAKI
    • C08L33/06C08K3/04C08K3/38C08K5/521C08L61/06C09K5/08H01L23/36H01L23/373
    • PROBLEM TO BE SOLVED: To provide a heat conductive sheet having excellent thermal conductivity and handleability.SOLUTION: The heat conductive sheet includes: a thermoplastic poly(meth)acrylic acid ester high molecular compound (A) having a glass transition temperature of ≤50°C; inorganic particles (B) which are at least one selected from graphite particles and hexagonal boron nitride particles having a scale-like shape, an elliptical spherical shape or a rod-like shape, and in which the (0001) crystal surface is oriented in the plane direction of the scale, in the long axis direction of the elliptical sphere or in the long axis direction of the rod; and a phenolic high molecular compound (C). In the heat conductive sheet, the plane direction of the scale, the long axis direction of the elliptical sphere or the long axis direction of the rod of the inorganic particles (B) is oriented in the thickness direction.
    • 要解决的问题:提供具有优异的导热性和可操作性的导热片。 导热片包括:玻璃化转变温度≤50℃的热塑性聚(甲基)丙烯酸酯高分子化合物(A); 无机颗粒(B),其为选自石墨颗粒和鳞状形状,椭圆球形或棒状形状的六方氮化硼颗粒中的至少一种,其中(0001)晶体表面取向为 平面方向,椭圆球的长轴方向或杆的长轴方向; 和酚类高分子化合物(C)。 在导热片中,鳞片的平面方向,椭圆球的长轴方向或无机粒子(B)的棒的长轴方向在厚度方向上取向。 版权所有(C)2012,JPO&INPIT