INTEGRATION TECHNIQUES FOR MICROMACHINED pMUT ARRAYS AND ELECTRONICS USING THERMOCOMPRESSION BONDING, EUTECTIC BONDING, AND SOLDER BONDING

    公开(公告)号:US20210086231A1

    公开(公告)日:2021-03-25

    申请号:US17095333

    申请日:2020-11-11

    申请人: eXo Imaging, Inc.

    摘要: The present disclosure provides methods to integrate piezoelectric micromachined ultrasonic transducer (pMUT) arrays with an application-specific integrated circuit (ASIC) using thermocompression or eutectic/solder bonding. In an aspect, the present disclosure provides a device comprising a first substrate and a second substrate, the first substrate comprising a pMUT array and the second substrate comprising an electrical circuit, wherein the first substrate and the second substrate are bonded together using thermocompression, wherein any set of individual PMUTs of PMUT array is addressable. In another aspect, the present disclosure provides a device comprising a first substrate and a second substrate, the first substrate comprising a pMUT array and the second substrate comprising an electrical circuit, wherein the first substrate and the second substrate are bonded together using eutectic or solder bonding, wherein any set of individual PMUTs of the PMUT array is addressable.

    ELASTIC WAVE DEVICE
    57.
    发明申请
    ELASTIC WAVE DEVICE 审中-公开

    公开(公告)号:US20190260341A1

    公开(公告)日:2019-08-22

    申请号:US16400111

    申请日:2019-05-01

    摘要: Functional element units and a connection line electrically connecting the functional element units are formed on one principal surface of a piezoelectric motherboard. A resin support layer enclosing the functional element units is formed on the one principal surface of the motherboard. An elastic wave device with the functional units is obtained by dividing a multilayer body including the motherboard, the functional element units, and the support layer into a plurality of sections along a dicing line. The connection line includes a line main body positioned on the dicing line, and a connection unit in which the line main body and the functional element units are electrically connected. Prior to dividing the multilayer body, a retaining member made of resin which straddles the line main body in the width direction of the line main body is formed separate from the support layer on the motherboard.

    Transducer array subdicing
    60.
    发明授权

    公开(公告)号:US10233076B2

    公开(公告)日:2019-03-19

    申请号:US15154896

    申请日:2016-05-13

    申请人: uBeam Inc.

    发明人: Andrew Joyce

    IPC分类号: H01L41/09 B81B7/00 H01L41/338

    摘要: Systems and techniques are provided for transducer array subdicing. A laminate material may include two laminate material flexures which each have a flexure boundary defined by a gap in the piece of laminate material. A trench may be located between the two flexures. The trench may be defined by a removal of a portion of laminate material from the piece of laminate material. A second trench may be on an opposite surface of the piece of laminate material from the trench. The second trench may be partially aligned with the trench. The trench and the second trench may result from the removal of laminate material from the piece of laminate material to a depth of 20% to 60% of the thickness of the piece of laminate material.