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    • 2. 发明申请
    • MEMS DEVICE AND METHOD OF MANUFACTURING
    • MEMS器件及其制造方法
    • WO2015003264A1
    • 2015-01-15
    • PCT/CA2014/050635
    • 2014-07-04
    • MOTION ENGINE INC.
    • BOYSEL, Robert, MarkROSS, Louis
    • B81C1/00B81B7/02
    • B81B7/007B81B2207/095B81B2207/096B81C1/00301H01L2224/94
    • A MEMS device is provided. The device includes a MEMS wafer, a top cap wafer and a bottom cap wafer. The top and bottom cap wafers are respectively bonded to first and second sides of the MEMS wafer, the MEMS and cap wafers being electrically conductive. The outer side of the top cap wafer is provided with electrical contacts. The MEMS wafer, the top cap wafer and the bottom cap wafer define a cavity for housing a MEMS structure. The device includes insulated conducting pathways extending from within the bottom cap wafer, through the MEMS wafer and through the top cap wafer. The pathways are connected to the respective electrical contacts on the top cap wafer, for routing electrical signals from the bottom cap wafer to the electrical contacts on the top cap wafer. A method of manufacturing the MEMS device is also provided.
    • 提供了一种MEMS器件。 该器件包括MEMS晶片,顶盖晶片和底盖晶片。 顶盖和底盖晶片分别结合到MEMS晶片的第一和第二侧,MEMS和盖晶片是导电的。 顶盖晶片的外侧设有电触点。 MEMS晶片,顶盖晶片和底盖晶片限定用于容纳MEMS结构的空腔。 该器件包括从底盖晶片内部穿过MEMS晶片并穿过顶盖晶片延伸的绝缘导电通路。 通路连接到顶盖晶片上的各个电触点,用于将电信号从底盖晶片转移到顶盖晶片上的电触点。 还提供了一种制造MEMS器件的方法。
    • 4. 发明申请
    • MEMS MOTION SENSOR FOR SUB-RESONANCE ANGULAR RATE SENSING
    • 用于子共振角速率传感器的MEMS运动传感器
    • WO2015013827A1
    • 2015-02-05
    • PCT/CA2014/050729
    • 2014-08-01
    • MOTION ENGINE INC.
    • BOYSEL, Robert Mark
    • G01C19/5712
    • G01C19/56G01C19/5769H01L2224/94
    • A MEMS device for angular rate measurement is provided. The MEMS device includes a support assembly, a proof mass coupled to the support assembly via a spring assembly to enable motion of the proof mass along three mutually orthogonal axes, and an electrode assembly configured for driving and sensing the motion of the proof mass. The proof mass and the spring assembly form a resonant structure having three oscillation modes each having a respective resonant frequency. The three oscillation modes can be used as drive and sense modes for angular rate measurement. By selecting the properties of the resonant structure, the resonant frequencies can be tuned to provide unmatched resonance conditions between the drive and sense modes so that angular rate measurement can be performed at a frequency that matches the resonant frequency of the drive mode, while being significantly below the resonant frequency of the sense mode.
    • 提供了用于角速率测量的MEMS装置。 MEMS装置包括支撑组件,经由弹簧组件联接到支撑组件的证明质量块,以使得证明块沿着三个相互正交的轴线的运动,以及构造成用于驱动和感测证明块运动的电极组件。 检测质量和弹簧组件形成具有三个振荡模式的谐振结构,每个具有相应的谐振频率。 三种振荡模式可用作角速率测量的驱动和检测模式。 通过选择谐振结构的特性,可以调谐谐振频率以在驱动和检测模式之间提供无与伦比的共振条件,从而可以以与驱动模式的谐振频率匹配的频率执行角速率测量,同时显着地 低于感应模式的谐振频率。
    • 7. 发明申请
    • MULTI-MASS MEMS MOTION SENSOR
    • MULTI-MASS MEMS运动传感器
    • WO2015184531A1
    • 2015-12-10
    • PCT/CA2015/050018
    • 2015-01-12
    • MOTION ENGINE INC.
    • BOYSEL, Robert MarkROSS, Louis
    • G01C19/5712G01C19/56G01P13/00G01P15/18
    • G01C19/5712B81B2201/0235G01C19/5719G01C19/5733G01P15/0802G01P15/125G01P15/18G01P2015/084
    • A micro-electro-mechanical system (MEMS) motion sensor is provided that includes a MEMS wafer having a frame structure, a plurality of proof masses suspended to the frame structure, movable in three dimensions, and enclosed in one or more cavities. The MEMS sensor includes top and bottom cap wafers bonded to the MEMS wafer and top and bottom electrodes provided in the top and bottom cap wafers, forming capacitors with the plurality of proof masses, and being together configured to detect motions of the plurality of proof masses. The MEMS sensor further includes first electrical contacts provided on the top cap wafer and electrically connected to the top electrodes, and a second electrical contacts provided on the top cap wafer and electrically connected to the bottom electrodes by way of vertically extending insulated conducting pathways. A method for measuring acceleration and angular rate along three mutually orthogonal axes is also provided.
    • 提供了一种微电子机械系统(MEMS)运动传感器,其包括具有框架结构的MEMS晶片,悬挂于框架结构的多个校准块,可在三维中移动并封闭在一个或多个空腔中。 MEMS传感器包括接合到MEMS晶片的顶盖和底盖晶片,以及设置在顶盖和底盖晶片中的顶电极和底电极,形成具有多个检验质量块的电容器,并且一起构造成检测多个检验质量块的运动 。 MEMS传感器还包括设置在顶盖晶片上并电连接到顶部电极的第一电触点和设置在顶盖晶片上并通过垂直延伸的绝缘导电路径电连接到底部电极的第二电触点。 还提供了一种用于沿三个相互正交的轴测量加速度和角速度的方法。
    • 8. 发明申请
    • MEMS PRESSURE SENSOR
    • MEMS压力传感器
    • WO2015154173A1
    • 2015-10-15
    • PCT/CA2015/050026
    • 2015-01-15
    • MOTION ENGINE INC.
    • BOYSEL, Robert MarkROSS, Louis
    • G01L9/12
    • G01L9/0073B81B7/007B81B2201/0264B81B2203/0127B81B2207/012B81B2207/015B81B2207/07B81C1/00182B81C1/00301B81C2203/0109B81C2203/0792G01L13/025
    • The present invention provides a MEMS pressure sensor and a manufacturing method. The pressure is formed by a top cap wafer, a MEMS wafer and a bottom cap wafer. The MEMS wafer comprises a frame and a membrane, the frame defining a cavity. The membrane is suspended by the frame over the cavity. The bottom cap wafer closes the cavity. The top cap wafer has a recess defining with the membrane a capacitance gap. The top cap wafer comprises a top cap electrode located over the membrane and forming, together with the membrane, a capacitor to detect a deflection of the membrane. Electrical contacts on the top cap wafer are connected to the top cap electrode. A vent is extends from outside of the sensor into the cavity or the capacitance gap. The pressure sensor can include two cavities and two capacitance gaps, to form a differential pressure sensor.
    • 本发明提供一种MEMS压力传感器及其制造方法。 压力由顶盖晶片,MEMS晶片和底盖晶片形成。 MEMS晶片包括框架和膜,框架限定空腔。 膜通过框架悬挂在空腔上。 底盖晶片封闭空腔。 顶盖晶片具有限定了膜的电容间隙的凹部。 顶盖晶片包括位于膜上方的顶盖电极,并与薄膜一起形成用于检测膜偏转的电容器。 顶盖晶片上的电触点连接到顶盖电极。 通气孔从传感器的外部延伸到空腔或电容间隙。 压力传感器可以包括两个空腔和两个电容间隙,以形成差压传感器。