Micromachined ultrasonic transducer cells having compliant support structure

    公开(公告)号:US20060125348A1

    公开(公告)日:2006-06-15

    申请号:US11348984

    申请日:2006-02-07

    IPC分类号: H04R17/00 H04R25/00 H02N1/00

    CPC分类号: B06B1/0292 H02N1/006

    摘要: A micromachined ultrasonic transducer array comprising a multiplicity of cMUT cells built on a substrate. Each cMUT cell comprises a compliant support structure built on the substrate, a membrane supported over a cavity by the compliant support structure, a first electrode supported by the membrane, and a second electrode that forms a capacitor with the first electrode, the cavity being disposed between the first and second electrodes. The compliant support structure uncouples the non-membrane outer surface of each cMUT cell from the supporting substrate.

    Switching circuitry for reconfigurable arrays of sensor elements
    4.
    发明申请
    Switching circuitry for reconfigurable arrays of sensor elements 有权
    用于可重构阵列的传感器元件的开关电路

    公开(公告)号:US20050169107A1

    公开(公告)日:2005-08-04

    申请号:US10978196

    申请日:2004-10-29

    摘要: A device comprising an array of sensors that are reconfigurable by means of a switching network. The sensors may be optical, thermal or pressure sensors or ultrasonic transducers. More specifically, the device comprises: a multiplicity of sensor elements; a plurality of bus lines; a set of access switches for selectively connecting a set of the sensor elements in a row to a bus line, one of the access switches being connected to a first sensor element; a multiplicity of sets of matrix switches, each of the sets of matrix switches selectively connecting a respective sensor element of the multiplicity of sensor elements to a respective set of adjacent sensor elements, one of the matrix switches being connected to the first sensor element and to a second sensor element that is not a member of the set of sensor elements; and control circuitry that controls the access switches and the matrix switches in accordance with a selected switching configuration such that the first sensor element is connected to the bus line via said one access switch, while at the same time the second sensor element is connected to said one access switch via said one matrix switch.

    摘要翻译: 一种包括可通过交换网络重新配置的传感器阵列的设备。 传感器可以是光学,热或压力传感器或超声换能器。 更具体地,该装置包括:多个传感器元件; 多条总线; 一组接入开关,用于选择性地将一行中的传感器元件连接到总线,其中一个接入开关连接到第一传感器元件; 多个矩阵开关组,每组矩阵开关选择性地将多个传感器元件的相应传感器元件连接到相应的一组相邻传感器元件,矩阵开关中的一个连接到第一传感器元件,并且 第二传感器元件,其不是该组传感器元件的构件; 以及控制电路,其根据选择的开关配置来控制接入开关和矩阵开关,使得第一传感器元件经由所述一个接入开关连接到总线,同时第二传感器元件连接到所述 一个接入开关经由所述一个矩阵开关。

    Variable gravity bias control system for a guided missile
    5.
    发明授权
    Variable gravity bias control system for a guided missile 失效
    导弹可变重力偏置控制系统

    公开(公告)号:US06578791B1

    公开(公告)日:2003-06-17

    申请号:US06290747

    申请日:1981-07-30

    IPC分类号: F41G722

    CPC分类号: G05D1/107

    摘要: A missile flight control initiating device for optimizing flight control time and a variable gravity bias device that corrects guidance signals from the missile's guidance computer during the optimized flight control time. These devices function to correct for the droop in trajectory caused by gravity so that the missile passes above the target.

    摘要翻译: 用于优化飞行控制时间的导弹飞行控制启动装置和在优化的飞行控制时间期间校正导弹引导计算机的引导信号的可变重力偏置装置。 这些装置用于纠正由重力引起的轨迹下垂,使导弹通过目标上方。

    Method and apparatus for visually depicting in three dimensions a health
care treatment regimen for a given medical diagnosis
    6.
    发明授权
    Method and apparatus for visually depicting in three dimensions a health care treatment regimen for a given medical diagnosis 失效
    用于在三维视觉描绘用于给定医学诊断的保健治疗方案的方法和装置

    公开(公告)号:US5785530A

    公开(公告)日:1998-07-28

    申请号:US629436

    申请日:1996-04-09

    申请人: Joe Lowell Smith

    发明人: Joe Lowell Smith

    IPC分类号: G09B1/06 G09B25/00

    CPC分类号: G09B1/06 G09B25/00

    摘要: Method and apparatus for visually depicting a health care treatment regimen for a given medical diagnosis including a substantially flat planar platform and a plurality of groupings of geometric members which are representative of various events which go to make up the treatment regimen. The geometric members of a particular grouping preferably are equally sized and of a coloring that is unique to the grouping. All geometric members are releasably securable to the platform and/or one another to permit their securement to the platform and/or to one another in positions denoting the existence of, position of and order of occurrence of their represented events within the treatment regimen.

    摘要翻译: 用于视觉描绘用于给定医学诊断的医疗保健治疗方案的方法和装置,包括基本平坦的平面平台和代表组成治疗方案的各种事件的多个几何构件组。 特定分组的几何构件优选地具有相同尺寸并且具有分组唯一的着色。 所有几何构件均可释放地固定到平台和/或彼此,以允许它们在表示治疗方案中其表示的事件的存在,位置和发生顺序的位置处固定到平台和/或彼此。

    Ultrasound transducer with improved acoustic performance
    7.
    发明授权
    Ultrasound transducer with improved acoustic performance 有权
    超声波换能器具有改善的声学性能

    公开(公告)号:US08207652B2

    公开(公告)日:2012-06-26

    申请号:US12485226

    申请日:2009-06-16

    IPC分类号: H01L41/08

    摘要: A system for improving the acoustic performance of an ultrasound transducer by reducing artifacts within the acoustic spectrum is disclosed. The system includes an acoustic layer having an array of acoustic elements, a dematching layer coupled to the acoustic layer and having an acoustic impedance greater than an acoustic impedance of the acoustic layer, and an interposer layer coupled to the dematching layer and comprising a substrate and a plurality of conductive element. The interposer layer is formed to have an acoustic impedance lower than the acoustic impedance of the dematching layer. The ultrasound transducer also includes an integrated circuit coupled to the interposer layer and electrically connected to the array of acoustic elements through the dematching layer and the interposer layer.

    摘要翻译: 公开了一种通过减少声谱内的伪像来改善超声换能器的声学性能的系统。 该系统包括具有声学元件阵列的声学层,耦合到声学层并且具有大于声学层的声学阻抗的声阻抗的解映射层,以及耦合到分离层的中介层,并且包括衬底和 多个导电元件。 内插层形成为具有低于分配层的声阻抗的声阻抗。 超声波换能器还包括耦合到插入层的集成电路,并通过分配层和插入层电连接到声学元件阵列。

    Method of manufacturing ultrasound transducer device having acoustic backing
    10.
    发明申请
    Method of manufacturing ultrasound transducer device having acoustic backing 有权
    制造具有声学背衬的超声波换能器装置的方法

    公开(公告)号:US20050046311A1

    公开(公告)日:2005-03-03

    申请号:US10960871

    申请日:2004-10-06

    摘要: An ultrasonic transducer device comprising: an ultrasonic transducer array micromachined on a substrate; flexible electrical connections connected to the transducer array; and a body of acoustically attenuative material that supports the substrate and the flexible electrical connections. The acoustic backing material may contain additional features, such as tabs or notches, for use in positioning the transducer on fixtures during manufacturing or positioning the transducer within a housing during final assembly. Tabs or other features that are used only during manufacturing may be subsequently removed from the device. The MUT device itself may also be thinned so as to provide flexibility as desired. The backing material is preferably matched in acoustic impedance to the silicon wafer so as to prevent reflection at the interface of any acoustic energy propagating rearward, i.e., in the direction away from the device front surface. The backing material may also possess a high thermal conductivity to assist in removal of heat from the device.

    摘要翻译: 一种超声波换能器装置,包括:微机械加工在基底上的超声换能器阵列; 连接到换能器阵列的柔性电连接; 以及支撑衬底和柔性电连接的声衰减材料体。 声学衬垫材料可以包含附加特征,例如突片或凹口,用于在最终组装期间制造或将换能器定位在壳体内时将换能器定位在固定装置上。 仅在制造期间使用的标签或其它特征可随后从装置中移除。 MUT设备本身也可以被减薄,以便根据需要提供灵活性。 背衬材料优选地与硅晶片的声阻抗匹配,以便防止在向后传播的任何声能的界面处的反射,即远离器件前表面的方向上的反射。 背衬材料还可以具有高热导率以帮助从装置移除热量。