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    • 4. 发明申请
    • Semiconductor Physical Quantity Detecting Sensor
    • 半导体物理量检测传感器
    • US20130346015A1
    • 2013-12-26
    • US13983775
    • 2012-01-18
    • Kiyoko YamanakaHeewon JeongChisaki Takubo
    • Kiyoko YamanakaHeewon JeongChisaki Takubo
    • B81B7/02
    • B81B7/02G01C19/5747G01C19/5769G01P15/125G01P15/18G01P2015/0822
    • A semiconductor physical quantity detection sensor includes (1) a first electrostatic capacitance formed by the movable electrode, and a first fixed electrode formed in a first conductive layer shared with the movable electrode, (2) a second electrostatic capacitance that is formed by the movable electrode, and a second fixed electrode formed in a second conductive layer different in a height from a substrate surface from the movable electrode, and (3) an arithmetic circuit that calculates the physical quantity on the basis of a change in the first and second electrostatic capacitances generated when the physical quantity is applied. In this configuration, an electric signal from the first electrostatic capacitance, and an electric signal from the second electrostatic capacitance are input to the arithmetic circuit.
    • 半导体物理量检测传感器包括(1)由可动电极形成的第一静电电容和形成在与可动电极共用的第一导电层中的第一固定电极,(2)由可动电极形成的第二静电电容 电极和形成在与可动电极的基板表面不同高度的第二导电层中的第二固定电极,以及(3)基于第一和第二静电的变化来计算物理量的运算电路 当施加物理量时产生的电容。 在该结构中,来自第一静电电容的电信号和来自第二静电电容的电信号被输入到运算电路。