公开(公告)号：US20110248602A1

公开(公告)日：2011-10-13

申请号：US12975974

申请日：2010-12-22

Applicant: Emmanuel DEFAY ,  Sebastien Boisseau ,  Ghislain Despesse ,  Brice Ivira ,  Alexandre Reinhardt

Inventor： Emmanuel DEFAY ,  Sebastien Boisseau ,  Ghislain Despesse ,  Brice Ivira ,  Alexandre Reinhardt

IPC: H01L41/04 ,  H01L41/22

CPC classification number: H03H9/02015 ,  H03H3/04 ,  H03H9/02031 ,  H03H9/173 ,  H03H9/175 ,  H03H9/583 ,  H03H9/584 ,  H03H9/585 ,  H03H2003/0414 ,  H03H2009/02196 ,  Y10T29/42

Abstract: Acoustic resonator comprising an electret, and method of producing said resonator, application to switchable coupled resonator filters.The resonator comprises: at least one piezoelectric layer (30); electrodes (24, 26) on either side of this layer; and at least one electret layer (32) between the electrodes, to apply a permanent electric field to the piezoelectric layer. The intensity of this electric field is determined to shift the resonance frequency of the resonator by a desired value. The piezoelectric layer may contain electrical charges to itself constitute the electret layer.

Abstract translation: 包括驻极体的声谐振器及其制造方法，可应用于可切换耦合的谐振滤波器。 所述谐振器包括：至少一个压电层（30）; 该层两侧的电极（24,26）; 和在电极之间的至少一个驻极体层（32），以向压电层施加永久电场。 确定该电场的强度以将谐振器的谐振频率偏移所需的值。 压电层可以包含电荷本身构成驻极体层。

公开(公告)号：US08819904B2

公开(公告)日：2014-09-02

申请号：US13371192

申请日：2012-02-10

Applicant: Marie Gorisse ,  Alexandre Reinhardt

Inventor： Marie Gorisse ,  Alexandre Reinhardt

IPC: H01L41/22

CPC classification number: H03H9/02653 ,  H01L21/0337 ,  H03H3/0072 ,  H03H3/08 ,  H03H9/02118 ,  H03H9/02125 ,  H03H9/02338 ,  H03H9/02866 ,  H03H9/172 ,  H03H9/6409

Abstract: A process for producing an acoustic device having a phononic crystal structure comprising inclusions produced in a first medium distributed in a matrix of a second medium, to block propagation of acoustic waves within a bandgap frequency band, includes: defining geometric parameters of said inclusions, which have walls contacting said matrix, making at least one non-zero first wall angle, to the normal of the plane of said structure, said geometric parameters including said first wall angle; determining a function relating to variation in frequency position of said bandgap with said wall angle or relating to variation in width of said bandgap with said wall angle; determining said at least first angle, for a selected frequency position and/or selected width of the bandgap, from the function or functions determined beforehand; and producing said inclusions having at least said first wall angle in said matrix formed by said second medium.

Abstract translation: 一种用于制造具有声子晶体结构的声学装置的方法，包括：在分布在第二介质的矩阵中的第一介质中产生的夹杂物，以阻挡声带在带隙频带内的传播，包括：限定所述夹杂物的几何参数， 具有与所述基体接触的至少一个非零第一壁角，与所述结构的平面的法线接触，所述几何参数包括所述第一壁角; 确定与所述带隙的频率位置的变化相关的功能，或者与所述带隙的宽度的变化相关的所述壁角; 根据预先确定的功能或功能确定所选择的频率位置和/或带隙的选定宽度的至少第一角度; 并且在由所述第二介质形成的所述基体中产生至少具有所述第一壁角的所述夹杂物。

公开(公告)号：US20140151151A1

公开(公告)日：2014-06-05

申请号：US13879562

申请日：2011-10-06

Applicant: Alexandre Reinhardt

Inventor： Alexandre Reinhardt

IPC: H03H9/02 ,  H03H3/08

CPC classification number: H03H9/02535 ,  H03H3/02 ,  H03H3/08 ,  H03H9/02015 ,  H03H9/02543 ,  H03H9/02622 ,  Y10T29/49016

Abstract: An acoustic structure comprising comprises a layer of material having a first Young's modulus called the intrinsic modulus and a first density called the intrinsic density, characterized in that the layer comprises at least one first zone having said first Young's modulus and said first density and at least one second zone buried in the volume of said layer of material and having a second Young's modulus and/or a second density obtained by implanting and/or by diffusing atoms into the volume of said layer.

Abstract translation: 声学结构包括包含称为固有模量的第一杨氏模量和称为固有密度的第一密度的材料层，其特征在于，所述层包括具有所述第一杨氏模量和所述第一密度的至少一个第一区域，并且至少 一个第二区域被埋在所述材料层的体积中，并且具有通过将原子注入和/或扩散到所述层的体积中而获得的第二杨氏模量和/或第二密度。

公开(公告)号：US20130214878A1

公开(公告)日：2013-08-22

申请号：US13879598

申请日：2011-10-11

Applicant: Marie Gorisse ,  Alexandre Reinhardt

Inventor： Marie Gorisse ,  Alexandre Reinhardt

IPC: H03H9/54 ,  H03H9/64

CPC classification number: H03H9/6433 ,  H03H9/0033 ,  H03H9/0095 ,  H03H9/02015 ,  H03H9/02047 ,  H03H9/02086 ,  H03H9/02543 ,  H03H9/02653 ,  H03H9/02818 ,  H03H9/547 ,  H03H9/564 ,  H03H9/6436 ,  H03H9/6453

Abstract: An acoustic wave bandpass filter comprises at least an input first acoustic wave resonator with an output surface, and an output second acoustic wave resonator with an input surface, said resonators being coupled to each other along a set direction, the input and output surfaces being substantially opposite, and at least one first phononic crystal structure between said input and output resonators and/or a second phonic crystal structure at the periphery of said resonators so as to guide the acoustic waves, generated by said input resonator, toward said output resonator along said set direction, the resonators ensuring an impedance conversion and/or a mode conversion.

Abstract translation: 声波带通滤波器至少包括具有输出表面的输入第一声波谐振器和具有输入表面的输出第二声波谐振器，所述谐振器沿着设定方向彼此耦合，所述输入和输出表面基本上 所述输入和输出谐振器之间的至少一个第一声子晶体结构和/或所述谐振器周围的第二声子晶体结构，以便将由所述输入谐振器产生的声波沿着所述输入谐振器 设定方向，谐振器确保阻抗转换和/或模式转换。

公开(公告)号：US20100327995A1

公开(公告)日：2010-12-30

申请号：US12827875

申请日：2010-06-30

Applicant: Alexandre Reinhardt ,  Issiaka Kone

Inventor： Alexandre Reinhardt ,  Issiaka Kone

IPC: H03H9/64

CPC classification number: H03H3/04 ,  H03H9/02228 ,  H03H9/589

Abstract: A guided acoustic wave resonant device is provided. The device comprises at least two filters (F1, . . . , Fi, . . . , FN), each filter comprising at least two acoustic wave resonators (R11- R12, . . . , Ri1-Ri2, . . . , RN1-RN2), each filter having a useful frequency band (BF1, . . . , BFi, . . . , BFN) centred on a central frequency (f1, . . . , fi, . . . , fN), each resonator comprising at least one suite of inter-digitated upper electrodes exhibiting a periodic structure of period (Λij) and a layer of piezoelectric material, each resonator having a coupling coefficient (k21, k22, . . . , k2n) and a resonant frequency (fr1, . . . , fr2, . . . , fN), wherein at least one of the resonators comprises a differentiation layer (CDfi) making it possible in combination with the period of the inter-digitated electrodes to modify the coupling coefficient of the said resonator, the useful band and the central frequency being determined by the resonant frequencies and the coupling coefficients of the resonators which are adapted so as to have a determined useful bandwidth.

Abstract translation: 提供了一种引导声波谐振装置。 该装置包括至少两个滤波器（F1，...，Fi，...，FN），每个滤波器包括至少两个声波谐振器（R11-R12，...，Ri1-Ri2，...，RN1 -RN2），每个滤波器具有以中心频率（f1，...，fi，...，fN）为中心的有用频带（BF1，...，BFi，...，BFN），每个谐振器包括 具有周期（Λij）的周期性结构的至少一组数字化的上部电极和压电材料层，每个谐振器具有耦合系数（k21，k22，...，k2n）和谐振频率（fr1， 其中，所述谐振器中的至少一个包括微分层（CDfi），使得可以与所述数字化间电极的周期结合以修改所述谐振器的耦合系数 有用频带和中心频率由谐振频率和谐振器的耦合系数确定，这些谐振频率和谐振器的耦合系数被调整为具有 确定有用的带宽。