JP7216550B2 - 広帯域超音波トランスジューサ - Google Patents

広帯域超音波トランスジューサ Download PDF

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Publication number
JP7216550B2
JP7216550B2 JP2018564926A JP2018564926A JP7216550B2 JP 7216550 B2 JP7216550 B2 JP 7216550B2 JP 2018564926 A JP2018564926 A JP 2018564926A JP 2018564926 A JP2018564926 A JP 2018564926A JP 7216550 B2 JP7216550 B2 JP 7216550B2
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Prior art keywords
cmut
cmut cells
cells
transducer
layer
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Japanese (ja)
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JP2019522925A5 (enExample
JP2019522925A (ja
Inventor
セルゲイ シュレポフ
ペトルス ヘンリクス マリア ティンメルマンス
ペーター ダークセン
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2406—Electrostatic or capacitive probes, e.g. electret or cMUT-probes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Gynecology & Obstetrics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
JP2018564926A 2016-06-13 2017-06-13 広帯域超音波トランスジューサ Active JP7216550B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16174192.1 2016-06-13
EP16174192 2016-06-13
PCT/EP2017/064363 WO2017216139A1 (en) 2016-06-13 2017-06-13 Broadband ultrasound transducer

Publications (3)

Publication Number Publication Date
JP2019522925A JP2019522925A (ja) 2019-08-15
JP2019522925A5 JP2019522925A5 (enExample) 2020-07-27
JP7216550B2 true JP7216550B2 (ja) 2023-02-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018564926A Active JP7216550B2 (ja) 2016-06-13 2017-06-13 広帯域超音波トランスジューサ

Country Status (5)

Country Link
US (1) US11400487B2 (enExample)
EP (1) EP3468726B1 (enExample)
JP (1) JP7216550B2 (enExample)
CN (1) CN109311055B (enExample)
WO (1) WO2017216139A1 (enExample)

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WO2013179247A1 (en) * 2012-05-31 2013-12-05 Koninklijke Philips N.V. Wafer and method of manufacturing the same
JP2018013368A (ja) * 2016-07-20 2018-01-25 古野電気株式会社 水中探知装置
US11039814B2 (en) 2016-12-04 2021-06-22 Exo Imaging, Inc. Imaging devices having piezoelectric transducers
US10648852B2 (en) * 2018-04-11 2020-05-12 Exo Imaging Inc. Imaging devices having piezoelectric transceivers
US10656007B2 (en) * 2018-04-11 2020-05-19 Exo Imaging Inc. Asymmetrical ultrasound transducer array
CN112470214A (zh) 2018-05-21 2021-03-09 艾科索成像公司 具有q值突变的超声换能器
CN112805843B (zh) 2018-08-01 2024-06-14 艾科索成像公司 用于集成具有混合触点的超声换能器的系统和方法
WO2021050853A1 (en) 2019-09-12 2021-03-18 Exo Imaging, Inc. Increased mut coupling efficiency and bandwidth via edge groove, virtual pivots, and free boundaries
CN110749343A (zh) * 2019-09-29 2020-02-04 杭州电子科技大学 基于六边形网格布局的多频带mems超声换能器阵列
EP3909691A1 (en) * 2020-05-14 2021-11-17 Koninklijke Philips N.V. An ultrasound transducer and a tiled array of ultrasound transducers
US11472537B2 (en) * 2020-12-07 2022-10-18 Gregory Hubert Piesinger Artificial buoyancy method and apparatus
CN112845002B (zh) * 2020-12-31 2022-01-14 武汉大学 Mems宽频带超声波换能器阵列
US11951512B2 (en) 2021-03-31 2024-04-09 Exo Imaging, Inc. Imaging devices having piezoelectric transceivers with harmonic characteristics
US11819881B2 (en) 2021-03-31 2023-11-21 Exo Imaging, Inc. Imaging devices having piezoelectric transceivers with harmonic characteristics
US12486159B2 (en) 2021-06-30 2025-12-02 Exo Imaging, Inc. Micro-machined ultrasound transducers with insulation layer and methods of manufacture
CN114367431B (zh) * 2022-01-10 2023-05-23 京东方科技集团股份有限公司 一种换能器及其制备方法
CN114950925B (zh) * 2022-06-06 2023-05-23 清华大学 柔性可延展微机电系统超声阵列及医用超声诊断设备
CN117654862A (zh) * 2022-08-30 2024-03-08 华为技术有限公司 一种超声换能组件和超声换能阵列
WO2024130610A1 (en) * 2022-12-21 2024-06-27 Nec Corporation Method, device and computer readable medium for communications
CN115971020B (zh) * 2023-01-17 2024-09-10 京东方科技集团股份有限公司 超声换能器及其制作方法以及超声换能系统
WO2025003867A1 (en) * 2023-06-26 2025-01-02 Terumo Kabushiki Kaisha Ultrasound measurement device

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US20070215964A1 (en) 2006-02-28 2007-09-20 Butrus Khuri-Yakub Capacitive micromachined ultrasonic transducer (CMUT) with varying thickness membrane
JP2011044757A (ja) 2009-08-19 2011-03-03 Canon Inc 容量型電気機械変換装置、及びその感度調整方法
WO2013125626A1 (ja) 2012-02-23 2013-08-29 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
JP2014023775A (ja) 2012-07-27 2014-02-06 Olympus Medical Systems Corp 超音波振動子及び超音波振動子を用いた超音波内視鏡
WO2016008833A1 (en) 2014-07-16 2016-01-21 Koninklijke Philips N.V. Tiled cmut dies with pitch uniformity

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US5619476A (en) 1994-10-21 1997-04-08 The Board Of Trustees Of The Leland Stanford Jr. Univ. Electrostatic ultrasonic transducer
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US6458083B1 (en) 1996-11-26 2002-10-01 Koninklijke Philips Electronics N.V. Ultrasonic harmonic imaging with adaptive image formation
US6013032A (en) 1998-03-13 2000-01-11 Hewlett-Packard Company Beamforming methods and apparatus for three-dimensional ultrasound imaging using two-dimensional transducer array
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DE10122765A1 (de) * 2001-05-10 2002-12-05 Campus Micro Technologies Gmbh Elektroakustischer Wandler zur Erzeugung oder Erfassung von Ultraschall, Wandler-Array und Verfahren zur Herstellung der Wandler bzw. der Wandler-Arrays
WO2007013814A2 (en) * 2005-07-26 2007-02-01 Angelsen Bjoern A J Dual frequency band ultrasound transducer arrays
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BR112014014911A2 (pt) 2011-12-20 2017-06-13 Koninklijke Philips Nv dispositivo transdutor de ultrassom; e método de fabricação de um dispositivo transdutor de ultrassom
JP5986441B2 (ja) 2012-07-06 2016-09-06 キヤノン株式会社 静電容量型トランスデューサ
US20140265720A1 (en) 2013-03-14 2014-09-18 The Royal Institution For The Advancement Of Learning / Mcgill University Methods and devices relating to capacitive micromachined diaphragms and transducers
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070215964A1 (en) 2006-02-28 2007-09-20 Butrus Khuri-Yakub Capacitive micromachined ultrasonic transducer (CMUT) with varying thickness membrane
JP2011044757A (ja) 2009-08-19 2011-03-03 Canon Inc 容量型電気機械変換装置、及びその感度調整方法
WO2013125626A1 (ja) 2012-02-23 2013-08-29 日立アロカメディカル株式会社 超音波診断装置及び超音波探触子
JP2014023775A (ja) 2012-07-27 2014-02-06 Olympus Medical Systems Corp 超音波振動子及び超音波振動子を用いた超音波内視鏡
WO2016008833A1 (en) 2014-07-16 2016-01-21 Koninklijke Philips N.V. Tiled cmut dies with pitch uniformity

Also Published As

Publication number Publication date
EP3468726A1 (en) 2019-04-17
CN109311055A (zh) 2019-02-05
US20190176193A1 (en) 2019-06-13
EP3468726B1 (en) 2023-11-15
CN109311055B (zh) 2021-06-29
JP2019522925A (ja) 2019-08-15
WO2017216139A1 (en) 2017-12-21
US11400487B2 (en) 2022-08-02

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