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    • 1. 发明专利
    • Radio wave observation system and method using complementary antenna
    • 无线电波观测系统和使用补充天线的方法
    • JP2005351732A
    • 2005-12-22
    • JP2004172295
    • 2004-06-10
    • Makoto Miyoshi真 三好
    • MIYOSHI MAKOTO
    • G01S3/16G01S3/42G01S3/46
    • PROBLEM TO BE SOLVED: To provide a radio wave observation system using an complementary antenna capable of specifying precisely an apparent separation angle between a plurality of radio wave transmission sources.
      SOLUTION: This radio wave observation system comprises: a first multibeam antenna 10 provided with the first horn (the first main antenna reception part) 15 and the second horn (the second main antenna reception part) 16 in a parabola, the first complementary antenna 17 provided adjacently to the first multibeam antenna 10 with 50m of distance Q, the first instrumental error phase calculating part 28; and a second multibeam antenna 20 provided with the first horn (the first main antenna reception part) 25 and the second horn (the second main antenna reception part) 26 in a parabola, the second complementary antenna 27 provided adjacently to the second multibeam antenna 20 with 50m of distance R, the second instrumental error phase calculating part 29, a mutual correlation processing part 30, a correlation value calibration part 31 and the like.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种使用能够精确地指定多个无线电波发射源之间的明显分离角的互补天线的无线电波观测系统。 解决方案:该无线电波观测系统包括:设置有抛物线的第一喇叭(第一主天线接收部)15和第二喇叭(第二主天线接收部)16的第一多波束天线10,第一 与第一多波束天线10相邻设置的互补天线17,距离为50m,第一仪器误差相位计算部分28; 以及设置有抛物线的第一喇叭(第一主天线接收部)25和第二喇叭(第二主天线接收部)26的第二多波束天线20,与第二多波束天线20相邻设置的第二互补天线27 距离R为50μm,第二乐器误差相位计算部29,相互关联处理部30,相关值校准部31等。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08044485B2
    • 2011-10-25
    • US11692290
    • 2007-03-28
    • Makoto MiyoshiYoshitaka Kuraoka
    • Makoto MiyoshiYoshitaka Kuraoka
    • H01L29/47
    • H01L29/872H01L29/2003H01L29/66462
    • A semiconductor device made of a group-III nitride semiconductor having excellent properties is provided. The semiconductor device has a horizontal diode structure of Schottky type or P-N junction type, or combined type thereof having a main conduction pathway in the horizontal direction in a conductive layer with unit anode portions and unit cathode electrodes being integrated adjacently to each other in the horizontal direction. The conductive layer is preferably formed by depositing a group-III nitride layer and generating a two-dimensional electron gas layer on the interface. Forming the conductive layer of the group-III nitride having high breakdown field allows the breakdown voltage to be kept high while the gap between electrodes is narrow, which achieves a semiconductor device having high output current per chip area. Further, an electrode pad layer provided on an insulation protecting layer relieves electric field concentration at a junction of each unit anode portion and each unit cathode electrode, which achieves higher breakdown voltage.
    • 提供由具有优异特性的III-III族氮化物半导体制成的半导体器件。 半导体器件具有肖特基型或PN结型的水平二极管结构,或者其组合型在导电层中具有在水平方向上的主导电通路,其中单元阳极部分和单元阴极电极在水平方向彼此相邻地相互整合 方向。 导电层优选通过沉积III族氮化物层并在界面上产生二维电子气层形成。 形成具有高击穿场的III族氮化物的导电层允许击穿电压保持较高,同时电极之间的间隙窄,这实现了每芯片面积具有高输出电流的半导体器件。 此外,设置在绝缘保护层上的电极焊盘层可以减轻每个单元阳极部分和每个单位阴极电极的接合处的电场浓度,从而实现更高的击穿电压。
    • 6. 发明授权
    • Optical module
    • 光模块
    • US07517160B2
    • 2009-04-14
    • US12068744
    • 2008-02-11
    • Makoto MiyoshiKazuya Sasaki
    • Makoto MiyoshiKazuya Sasaki
    • G02B6/36G02B6/42
    • G02B6/4201G02B6/4261
    • An optical module which can be inserted into and removed from a cage, the optical module includes a lock pin inserted into a lock hole provided in the cage and engaging the cage and the optical module with each other in a state where the optical module is inserted into the cage; a tongue having an axial part and configured to be rotated with respect to the axial part in a direction where the insertion of the lock pin into the lock hole is released; and a bail configured to be rotated with respect to a rotational axel so that the tongue is rotated. The engagement of the cage and the optical module formed by insertion of the lock pin into the lock hole is released by rotating the bail 90 degrees.
    • 光学模块可以插入到保持架中并从壳体中移除,该光学模块包括插入到保持架中的锁定孔中的锁定销,并且在光学模块被插入的状态下将保持架和光学模块彼此接合 进笼子里 具有轴向部分并且构造成在锁定销插入锁定孔的方向上相对于轴向部分旋转的舌头; 以及配置成相对于旋转轴旋转以使舌头旋转的吊环。 将保持架和通过将锁定销插入锁定孔而形成的光学模块的接合通过将吊环旋转90度来释放。
    • 8. 发明授权
    • Semiconductor multilayer structure, semiconductor device and HEMT device
    • 半导体多层结构,半导体器件和HEMT器件
    • US07199408B2
    • 2007-04-03
    • US11151693
    • 2005-06-13
    • Makoto Miyoshi
    • Makoto Miyoshi
    • H01L29/778
    • H01L29/7787H01L29/1075H01L29/2003H01L29/66469H01L29/7786
    • A semiconductor device includes an underlying layer made of a group-III nitride containing at least Al and formed on a substrate, and a group of stacked semiconductor layers including a first semiconductor layer made of a group-III nitride, preferably GaN, a second semiconductor layer made of AlN and a third semiconductor layer made of a group-III nitride containing at least Al, preferably AlxGa1-xN where x≧0.2. The semiconductor device suppresses the reduction in electron mobility resulting from lattice defects and crystal lattice randomness. This achieves a HEMT device having a sheet carrier density of not less than 1×1013/cm2 and an electron mobility of not less than 20000 cm2/V·s at a temperature of 15 K.
    • 半导体器件包括由至少包含Al并且形成在衬底上的III族氮化物制成的下层,以及包括由III族氮化物制成的第一半导体层,优选为GaN的第二半导体层,第二半导体 由AlN制成的层以及由含有至少Al,优选为Al x Ga 1-x N的III-III族氮化物制成的第三半导体层,其中x> = 0.2。 半导体器件抑制由晶格缺陷和晶格随机性引起的电子迁移率的降低。 这实现了具有不小于1×10 13 / cm 2的片载体密度的HEMT器件,并且电子迁移率不小于20000cm 2 / > / Vs。