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    • 12. 发明授权
    • Method for analyzing schottky junction method for evaluating semiconductor wafer method for evaluating insulating film and schottky junction analyzing apparatus
    • 分析用于评价绝缘膜和肖特基结分析装置的半导体晶片方法的肖特基结方法的分析方法
    • US06239608B1
    • 2001-05-29
    • US09330457
    • 1999-06-11
    • Yu ZhuYoshiteru IshimaruMasafumi Shimizu
    • Yu ZhuYoshiteru IshimaruMasafumi Shimizu
    • G01R3126
    • H01L22/14G01R31/2632
    • A method for analyzing a Schottky junction of the present invention includes the step of obtaining electrical field dependence of the Schottky barrier height which shows a degree of dependence of the Schottky barrier height of the Schottky junction formed on a semiconductor wafer on an electrical field applied to an interface of the Schottky junction in a case where a reverse bias is applied to the Schottky junction. The method includes the steps of: applying the reverse bias of a plurality of voltage values to the Schottky junction; measuring a plurality of current values of a current flowing through the Schottky junction and a plurality of capacitance values of the Schottky junction, corresponding to the reverse bias of the plurality of voltage values; obtaining current-voltage characteristics and capacitance-voltage characteristics of the Schottky junction based on the plurality of current values and the plurality of capacitance values; calculating depletion layer charge-voltage characteristics showing a correlation between an accumulated charge in a depletion layer and a voltage by integrating the capacitance-voltage characteristics with respect to a voltage; and obtaining the electrical field dependence of the Schottky barrier height based on the current-voltage characteristics and the depletion layer charge-voltage characteristics.
    • 用于分析本发明的肖特基结的方法包括获得肖特基势垒高度的电场依赖性的步骤,其显示形成在半导体晶片上的肖特基结的肖特基势垒高度与施加到 在将反向偏压施加到肖特基结的情况下的肖特基结的界面。 该方法包括以下步骤:将多个电压值的反向偏压施加到肖特基结; 测量流过所述肖特基结的电流的多个电流值和对应于所述多个电压值的反向偏置的所述肖特基结的多个电容值; 基于所述多个电流值和所述多个电容值,获得所述肖特基结的电流 - 电压特性和电容 - 电压特性; 计算通过将电容 - 电压特性相对于电压进行积分而示出耗尽层中的累积电荷与电压之间的相关性的耗尽层电荷 - 电压特性; 并且基于电流 - 电压特性和耗尽层电荷 - 电压特性获得肖特基势垒高度的电场依赖性。
    • 14. 发明授权
    • Photodetector amplifier circuit for controlling an on state or an off state of an output transistor
    • 用于控制输出晶体管的导通状态或截止状态的光检测放大器电路
    • US08227739B2
    • 2012-07-24
    • US12487281
    • 2009-06-18
    • Masafumi Shimizu
    • Masafumi Shimizu
    • H03F3/08H01J40/14G02B27/00
    • H03F3/08
    • A photodetector amplifier circuit that converts a photodetector signal photoelectrically into a photocurrent and controls on or off state of an output transistor according to the photocurrent. The photodetector amplifier circuit has a first control circuit that is connected to a control terminal of the output transistor and controls on or off state of the output transistor according to the photocurrent and a switch that is connected between the control terminal of the output transistor and a ground voltage terminal and if the output transistor is turned off, discharges the control terminal of the output transistor by making the control terminal of the output transistor conductive with the ground voltage terminal.
    • 光电检测器放大器电路,其将光电检测器信号光电转换成光电流,并根据光电流控制输出晶体管的导通或截止状态。 光电检测放大器电路具有连接到输出晶体管的控制端的第一控制电路,并根据光电流控制输出晶体管的导通或截止状态,以及连接在输出晶体管的控制端和 接地电压端子,并且如果输出晶体管截止,则通过使输出晶体管的控制端子与接地电压端子导通来放电输出晶体管的控制端子。
    • 17. 发明授权
    • Motorcycle
    • 摩托车
    • US07614471B2
    • 2009-11-10
    • US11686782
    • 2007-03-15
    • Masafumi ShimizuTadashi Shimomura
    • Masafumi ShimizuTadashi Shimomura
    • G01P3/50
    • B62J17/02B60Y2200/12B62K2202/00
    • A motorcycle having a meter device and a handlebar cover arranged to inhibit damage or the adherence of powder coating to the meter device from the handlebar cover. In one embodiment, a rear cover comprises a peripheral wall, which surrounds an outer periphery of a meter device. At least a front portion of the peripheral wall, which surrounds a front side of the meter device, comprises a first portion and a second portion. The first portion is positioned inside the front cover. An outer surface of the second portion is exposed between a rear edge of the front cover and the meter. A dimension of the first portion and the second portion are the same in a longitudinal direction of the motorcycle, or the second portion is smaller than the first portion.
    • 一种具有仪表装置和把手盖的摩托车,其布置成防止来自车把盖的粉末涂层损坏或附着到仪表装置。 在一个实施例中,后盖包括围绕仪表装置的外周的周壁。 围绕仪表装置的前侧的周壁的至少前部包括第一部分和第二部分。 第一部分位于前盖内。 第二部分的外表面暴露在前盖的后边缘和仪表之间。 第一部分和第二部分的尺寸在摩托车的纵向方向上相同,或者第二部分小于第一部分。