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    • 1. 发明授权
    • Method of making an acoustic probe
    • 制作声学探针的方法
    • US6044533A
    • 2000-04-04
    • US849734
    • 1997-07-02
    • Jean-Marc BureauFran.cedilla.ois BernardSerge Calisti
    • Jean-Marc BureauFran.cedilla.ois BernardSerge Calisti
    • G01N29/24A61B8/00B06B1/06H01L41/09H01L41/22
    • B06B1/0629Y10T29/42Y10T29/49158
    • An acoustic probe and a method for making the same. The probe includes a novel interconnection network consisting of two portions, i.e., a first portion in which M.times.N conductive paths have a section contacting M.times.N piezoelectric transducers and are arranged at a pitch (P.sub.N) in a direction (D.sub.x) and at a pitch (P.sub.M) in direction (D.sub.y) within the acoustic absorption material; and a second portion in which the M.times.N conductive paths are arranged on M dielectric substrates spaced apart at a pitch (P'.sub.M) and each provided with N paths are arranged at a pitch (P'.sub.N). A method for making the acoustic probe is also disclosed. The dielectric substrates may advantageously be flexible printed circuits optionally including chips.
    • PCT No.PCT / FR96 / 01650 Sec。 371日期1997年7月2日 102(e)1997年7月2日PCT PCT 1996年10月22日PCT公布。 公开号WO97 / 17145 日期1997年5月15日声探头及其制作方法。 该探头包括由两部分组成的新颖的互连网络,即其中MxN导电路径具有接触MxN压电换能器的部分的第一部分,并且以方向(Dx)和间距(PM)以间距(PN)布置 )在吸声材料内的方向(Dy); 以及以间距(P'M)间隔开的M个电介质基板上布置MxN导电路径,并且分别设置有N个路径的间隔(P'N)的第二部分。 还公开了一种用于制造声探针的方法。 电介质基底可以有利地是柔性印刷电路,任选地包括芯片。
    • 2. 发明授权
    • Interface acoustic wave device made of lithium tantalate
    • 接口声波器件由钽酸锂制成
    • US07126251B2
    • 2006-10-24
    • US10507909
    • 2003-03-11
    • Marc SolalSerge CalistiVincent LaudeSylvain BallandrasSerge CamouThomas Pastureaud
    • Marc SolalSerge CalistiVincent LaudeSylvain BallandrasSerge CamouThomas Pastureaud
    • H03H9/25H03H9/64
    • H03H9/0222
    • The invention relates to interfaces acoutics wave components made of lithium tantalate. Two substrate make up the filter have the same cut and the same crystal orientation, the invention gives the best cut angles in particular for optimizing the electromechanical coupling coefficient that determines the final performance characteristics of the component produced. Curves giving the variations of the coupling coefficient an the attenuation as a function of the cut angles and of the direction of propagation are provided. The values of the main acoustic characteristics of the component for these optimum cut angles are also given. The application of this type of device are, on the on hand, uses as a passive component such a resonator or a filter or a delay line, or as an integrated device, either in a measurement chain or in any array of devices operating according to the principle of recognition of the device by a phase code.
    • 本发明涉及由钽酸锂制成的接口波形组件。 组成过滤器的两个衬底具有相同的切割和相同的晶体取向,本发明给出了最佳切割角度,特别是用于优化确定所生产的部件的最终性能特性的机电耦合系数。 提供了将耦合系数的变化作为切割角和传播方向的函数的衰减的曲线。 还给出了用于这些最佳切割角度的部件的主要声学特性的值。 这种类型的装置的应用在作为无源部件如共振器或滤波器或延迟线或作为集成装置,在测量链中或在按照 通过相位代码识别设备的原理。