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    • 51. 发明授权
    • Signal conditioning and interconnection for an acoustic transducer
    • 声换能器的信号调理和互连
    • US5329498A
    • 1994-07-12
    • US62665
    • 1993-05-17
    • Michael Greenstein
    • Michael Greenstein
    • A61B8/00B06B1/06H01L41/08H04R3/00H04R17/00
    • B06B1/0629
    • An ultrasonic device having an acoustic transducer with a lamination of parallel integrated circuit chips having active circuitry. A backing member made of a material for attenuating acoustic waves provides Z-axis conduction of signals from the parallel integrated circuit chips to individual piezoelectric elements. Preferably, each piezoelectric element is operatively associated with a particular circuit that is within the acoustic shadow of the element, so that the lamination of chips does not add to the cross sectional area of the transducer. The integrated circuit chips are coterminus at first edges to provide a planar contact surface having a pad grid array of contact pads for connection with conductors extending through the backing member. In one embodiment, the piezoelectric elements provide a two-dimensional array of elements that corresponds to the pad grid array. Circuitry on the integrated circuit chips can include protective diodes, preamplifiers and one or more multiplexers.
    • 一种具有声学换能器的超声波装置,其具有具有有源电路的并联集成电路芯片的叠层。 由用于衰减声波的材料制成的背衬构件将来自并联集成电路芯片的信号的Z轴导通到各个压电元件。 优选地,每个压电元件与位于元件的声阴内的特定电路可操作地相关联,使得芯片的层叠不会增加换能器的横截面积。 集成电路芯片在第一边缘处是邻接的,以提供具有用于与延伸穿过背衬构件的导体连接的接触垫的焊盘格栅阵列的平面接触表面。 在一个实施例中,压电元件提供对应于焊盘格栅阵列的元件的二维阵列。 集成电路芯片上的电路可以包括保护二极管,前置放大器和一个或多个多路复用器。
    • 52. 发明申请
    • Portable Preparation, Analysis, and Detection Apparatus for Nucleic Acid Processing
    • 用于核酸加工的便携式制备,分析和检测装置
    • US20110177562A1
    • 2011-07-21
    • US12973190
    • 2010-12-20
    • Charles S. VannMichael GreensteinYuh-Min Chiang
    • Charles S. VannMichael GreensteinYuh-Min Chiang
    • C12P19/34G01N27/447
    • G01N27/447C12M47/06C12Q1/6806C12Q1/686
    • The present teachings comprise a device and method for lysing and/or purifying biological sample. The device can comprise a cartridge having a chamber containing a biological sample receiving region, a plurality of electrodes, and one or more sieving matrices. The electrodes can be configured to lyse the biological sample through the production of a pulsed electrical field. The electrodes can also be configured to heat lyse the biological sample. The electrodes can also be configured to electrophoretically move the biological sample through one or more sieving matrices. A portion of the sample can be isolated on a membrane. The portion of the sample isolated on the membrane can be amplified and detected. A portion of the sample can be isolated in a collection area present in the cartridge. The portion of the sample isolated in the collection area can be removed from the cartridge.
    • 本教导包括用于裂解和/或纯化生物样品的装置和方法。 该装置可以包括具有包含生物样品接收区域,多个电极和一个或多个筛分基质的腔室的药筒。 电极可以被配置成通过产生脉冲电场来裂解生物样品。 电极也可以被配置为热裂解生物样品。 电极还可以被配置成通过一个或多个筛分基质电泳移动生物样品。 样品的一部分可以在膜上分离。 可以扩增和检测在膜上分离的样品的部分。 样品的一部分可以在存在于盒中的收集区域中分离。 分离在收集区域中的样品的部分可以从盒中取出。