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    • 31. 发明授权
    • Sharpening method of nanotubes
    • 纳米管的锐化方法
    • US06777637B2
    • 2004-08-17
    • US10391386
    • 2003-03-18
    • Yoshikazu NakayamaSeiji AkitaAkio Harada
    • Yoshikazu NakayamaSeiji AkitaAkio Harada
    • B23K1122
    • B82Y40/00B82Y10/00B82Y30/00C01B32/168G11B5/1871
    • A method for sharpening a nanotube including the steps of: connecting the base end portion of a nanotube to an electrode with the tip end portion of the nanotube protruded from the electrode; connecting the tip end portion of the nanotube to another electrode; applying a voltage between the electrodes so as to cause an electric current to flow in the middle portion of the nanotube which is located between the two electrodes; evaporating constituent atoms of the nanotube layer by layer from a evaporation starting region, which is located in the middle region of the nanotube (and can be a crystal defect region, or a curved portion), by the heat generated by the electric current, thus reducing the diameter of the evaporation starting region; and cutting the evaporation starting region that has the reduced diameter, thus forming a sharpened end on the nanotube.
    • 一种用于锐化纳米管的方法,包括以下步骤:将纳米管的基端部与电极连接,其中纳米管的末端部分从电极突出; 将纳米管的前端部分连接到另一个电极; 在电极之间施加电压,使得电流在位于两个电极之间的纳米管的中间部分流动; 通过由电流产生的热量从位于纳米管的中间区域(并且可以是晶体缺陷区域或弯曲部分)的蒸发起始区域逐层蒸发纳米管层的构成原子,因此 减小蒸发起始区域的直径; 并切割具有减小的直径的蒸发起始区域,从而在纳米管上形成锋利的端部。
    • 37. 发明授权
    • Device, method, program, and recording medium for error factor measurement, and output measurement device and input measurement device provided with the device for error factor measurement
    • 用于误差因子测量的装置,方法,程序和记录介质,以及用于误差因子测量的装置提供的输出测量装置和输入测量装置
    • US07761253B2
    • 2010-07-20
    • US11861453
    • 2007-09-26
    • Yoshikazu Nakayama
    • Yoshikazu Nakayama
    • G01D18/00G01R35/00
    • G01R35/00G01R23/16
    • Measurement of error factors of a signal source when a connection tool is connected to a signal source whether error factors of the connection tool are known or not is enabled. There is provided an error factor measurement device including a connection tool characteristic measurement unit which measures characteristics of a connection tool based on measurement results of first and second signals, a reflection-to-output ratio measurement unit which measures the ratio relating to a measurement result of a reflection in a second (first) signal generation unit and a measurement result before the first (second) signal is reflected by a first (second) output terminal, an error factor recording unit which records respective components Ei1 and Eo1 of an error factor caused by frequency tracking of a first signal generation unit, and a product of respective components Ei2·Eo2 of an error factor caused by frequency tracking of a second signal generation unit, and error factor deriving unit which derive respective components of the error factor caused by the frequency tracking of the second signal generation unit based on the measurement result of the characteristics of the connection tool, the measurement result of the reflection-to-output ratio measurement unit, and the recorded contents of the error factor recording unit.
    • 当连接工具连接到信号源时,测量连接工具的误差因素是否已知的信号源的误差因素被启用。 提供了一种误差因子测量装置,其包括基于第一和第二信号的测量结果来测量连接工具的特性的连接工具特性测量单元,测量与测量结果有关的比率的反射 - 输出比测量单元 在第二(第一)信号产生单元中的反射和第一(第二)信号之前的测量结果被第一(第二)输出端反射,误差因子记录单元记录误差因子的各个分量Ei1和Eo1 由第一信号生成单元的频率跟踪以及由第二信号生成单元的频率跟踪引起的误差因子的各个分量Ei2·Eo2的乘积以及导出的误差因子的各成分的误差因子导出单元 基于特征的测量结果的第二信号生成单元的频率跟踪 连接工具,反射 - 输出比测量单元的测量结果以及误差因子记录单元的记录内容。
    • 39. 发明授权
    • Error factor acquisition device, method, program, and recording medium
    • 误差因子采集装置,方法,程序和记录介质
    • US07348784B2
    • 2008-03-25
    • US10572381
    • 2004-09-14
    • Masato HarutaHiroyuki SatoTakeshi TanabeYoshikazu Nakayama
    • Masato HarutaHiroyuki SatoTakeshi TanabeYoshikazu Nakayama
    • G01R35/00
    • G01R27/28G01R35/005
    • A measurement system for circuit parameters of a device under test (DUT) that reduces the number of attachments and detachments of calibration kits. An error factor acquisition device includes a first calibrator connected to ports of a network analyzer that has a first state realization unit that determines open-circuit, short-circuit, and standard load states for the ports. Second calibrators connected to the first calibrator and the DUT have a second state realization unit that determines open-circuit, short-circuit, and standard load states for the ports. The first calibrator includes first connection units that connect the ports to the first state realization unit or to the respective second calibrators, while the second calibrators respectively include a second connection unit that connects the ports to the second state realization unit or the DUT.
    • 用于测试设备(DUT)电路参数的测量系统,可减少校准套件的附件和拆卸次数。 误差因子采集装置包括连接到网络分析器的端口的第一校准器,该校准器具有确定端口的开路,短路和标准负载状态的第一状态实现单元。 连接到第一校准器和DUT的第二校准器具有确定端口的开路,短路和标准负载状态的第二状态实现单元。 第一校准器包括将端口连接到第一状态实现单元或相应的第二校准器的第一连接单元,而第二校准器分别包括将端口连接到第二状态实现单元或DUT的第二连接单元。