公开(公告)号：WO2013165709A3

公开(公告)日：2014-05-15

申请号：PCT/US2013037419

申请日：2013-04-19

Applicant: FUJIFILM DIMATIX INC

Inventor： HAJATI ARMAN ,  OTTOSSON MATS

IPC: B06B1/06

CPC classification number: B06B1/0629

Abstract: Piezoelectric micromachined ultrasonic transducer (pMUT) arrays and systems comprising pMUT arrays are described. Coupling strength within a population of transducer elements provides degenerate mode shapes that split for wide bandwidth total response while less coupling strength between adjacent element populations provides adequately low crosstalk between the element populations. In an embodiment, differing membrane sizes within a population of transducer elements provides differing frequency response for wide bandwidth total response while layout of the differing membrane sizes between adjacent element populations provides adequately low crosstalk between the element populations. In an embodiment, elliptical piezoelectric membranes provide multiple resonant modes for wide bandwidth total response and high efficiency.

Abstract translation: 描述了压电微加工超声换能器（pMUT）阵列和包括pMUT阵列的系统。 传感器元件群内的耦合强度提供了简化模式形状，可以分割宽带宽总响应，而相邻元素群之间较少的耦合强度可提供元素群体之间的足够低的串扰。 在一个实施例中，在换能器元件群内的不同膜尺寸为宽带宽总响应提供不同的频率响应，而相邻元件群之间的不同膜尺寸的布局在元件群之间提供足够低的串扰。 在一个实施例中，椭圆形压电膜为宽带宽总响应和高效率提供多个谐振模式。

公开(公告)号：EP2099612A4

公开(公告)日：2010-06-02

申请号：EP07865885

申请日：2007-12-19

Applicant: FUJIFILM DIMATIX INC

Inventor： GARDNER DEANE A ,  WEST DANIEL ALAN ,  HOISINGTON PAUL A ,  BARSS STEVEN H ,  HIGGINSON JOHN A ,  BIBL ANDREAS ,  OTTOSSON MATS ,  YARP RUSS

IPC: B41J2/01 ,  H05K3/12

CPC classification number: B41J11/06 ,  B41J2/04 ,  B41J2202/09