公开(公告)号：US20050146240A1

公开(公告)日：2005-07-07

申请号：US10748920

申请日：2003-12-29

申请人： Lowell Smith ,  Douglas Wildes

发明人： Lowell Smith ,  Douglas Wildes

IPC分类号： B81B3/00 ,  B81B7/04 ,  B81C1/00 ,  H02N1/00 ,  H02N2/00

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.

摘要翻译： 一种微机械加工的超声波换能器阵列，其包括建立在基底上的多个cMUT电池。 每个cMUT单元包括构建在基板上的柔性支撑结构，由柔性支撑结构支撑在空腔上的膜，由膜支撑的第一电极，以及与第一电极形成电容器的第二电极， 在第一和第二电极之间。 顺应性支撑结构将每个cMUT电池的非膜外表面与支撑衬底断开。

公开(公告)号：US08669396B2

公开(公告)日：2014-03-11

申请号：US13319811

申请日：2010-05-13

申请人： Chil Y. Choi ,  Gregory A. Hartmann ,  Peng Lei ,  William Poncez ,  Peter E. Rogers ,  William A. Scholle ,  Lowell Smith ,  Robert B. Weisenfeld

发明人： Chil Y. Choi ,  Gregory A. Hartmann ,  Peng Lei ,  William Poncez ,  Peter E. Rogers ,  William A. Scholle ,  Lowell Smith ,  Robert B. Weisenfeld

IPC分类号： C07C227/00 ,  C01B25/16

CPC分类号： C01B25/18 ,  C02F1/52 ,  C02F1/66 ,  C02F1/72

摘要： The present invention generally relates to processes for recovery of phosphorus values and salt impurities from aqueous waste streams. In particular, the present invention relates to processes for recovery of phosphorus values and salt impurities from aqueous waste streams generated in the manufacture of phospho-herbicides, including N-(phosphonomethyl)glycine and glufosinate.

摘要翻译： 本发明一般涉及从含水废物流中回收磷值和盐杂质的方法。 特别地，本发明涉及在制造磷酸除草剂（包括N-（膦酰基甲基）甘氨酸和草铵膦）中产生的废水流中回收磷值和盐杂质的方法。

公开(公告)号：US20100317972A1

公开(公告)日：2010-12-16

申请号：US12485226

申请日：2009-06-16

申请人： Charles Edward Baumgartner ,  Jean-Francois Gelly ,  Lowell Smith ,  Charles G. Woychik ,  Frederic Lanteri ,  Stephen Edwardsen ,  Robert S. Lewandowski

发明人： Charles Edward Baumgartner ,  Jean-Francois Gelly ,  Lowell Smith ,  Charles G. Woychik ,  Frederic Lanteri ,  Stephen Edwardsen ,  Robert S. Lewandowski

IPC分类号： A61B8/14

CPC分类号： G10K11/002 ,  A61B8/4483 ,  A61B8/483

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。