FR3054768B1 - Transducteur ultrasonore multielements capacitif a couplage air - Google Patents

Transducteur ultrasonore multielements capacitif a couplage air Download PDF

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Publication number
FR3054768B1
FR3054768B1 FR1657305A FR1657305A FR3054768B1 FR 3054768 B1 FR3054768 B1 FR 3054768B1 FR 1657305 A FR1657305 A FR 1657305A FR 1657305 A FR1657305 A FR 1657305A FR 3054768 B1 FR3054768 B1 FR 3054768B1
Authority
FR
France
Prior art keywords
multielements
ultrasound transducer
air coupling
capacitive air
capacitive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR1657305A
Other languages
English (en)
Other versions
FR3054768A1 (fr
Inventor
Christine BIATEAU
Michel CASTAINGS
Mathieu RENIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre National de la Recherche Scientifique CNRS
Universite de Bordeaux
Institut Polytechnique de Bordeaux
Original Assignee
Centre National de la Recherche Scientifique CNRS
Universite de Bordeaux
Institut Polytechnique de Bordeaux
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre National de la Recherche Scientifique CNRS, Universite de Bordeaux, Institut Polytechnique de Bordeaux filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR1657305A priority Critical patent/FR3054768B1/fr
Priority to US16/320,856 priority patent/US20190160491A1/en
Priority to PCT/EP2017/068663 priority patent/WO2018019778A1/fr
Priority to EP17749639.5A priority patent/EP3490727A1/fr
Publication of FR3054768A1 publication Critical patent/FR3054768A1/fr
Application granted granted Critical
Publication of FR3054768B1 publication Critical patent/FR3054768B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
FR1657305A 2016-07-28 2016-07-28 Transducteur ultrasonore multielements capacitif a couplage air Expired - Fee Related FR3054768B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1657305A FR3054768B1 (fr) 2016-07-28 2016-07-28 Transducteur ultrasonore multielements capacitif a couplage air
US16/320,856 US20190160491A1 (en) 2016-07-28 2017-07-24 Multi-element, capacitive, ultrasonic, air-coupled transducer
PCT/EP2017/068663 WO2018019778A1 (fr) 2016-07-28 2017-07-24 Transducteur ultrasonore multiéléments capacitif à couplage air
EP17749639.5A EP3490727A1 (fr) 2016-07-28 2017-07-24 Transducteur ultrasonore multiéléments capacitif à couplage air

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1657305A FR3054768B1 (fr) 2016-07-28 2016-07-28 Transducteur ultrasonore multielements capacitif a couplage air
FR1657305 2016-07-28

Publications (2)

Publication Number Publication Date
FR3054768A1 FR3054768A1 (fr) 2018-02-02
FR3054768B1 true FR3054768B1 (fr) 2018-08-10

Family

ID=57396588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1657305A Expired - Fee Related FR3054768B1 (fr) 2016-07-28 2016-07-28 Transducteur ultrasonore multielements capacitif a couplage air

Country Status (4)

Country Link
US (1) US20190160491A1 (fr)
EP (1) EP3490727A1 (fr)
FR (1) FR3054768B1 (fr)
WO (1) WO2018019778A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6606034B2 (ja) * 2016-08-24 2019-11-13 株式会社日立製作所 容量検出型超音波トランスデューサおよびそれを備えた超音波撮像装置
DE102017115923A1 (de) * 2017-07-14 2019-01-17 Infineon Technologies Ag Mikroelektromechanischer Transducer
US11181627B2 (en) * 2018-02-05 2021-11-23 Denso Corporation Ultrasonic sensor
KR102267072B1 (ko) * 2019-11-11 2021-06-21 재단법인 파동에너지 극한제어 연구단 초음파 전달 구조체
CN114887864B (zh) * 2022-03-08 2024-02-20 南京邮电大学 一种摩擦电空气耦合超声换能器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520188A (en) * 1994-11-02 1996-05-28 Focus Surgery Inc. Annular array transducer
US6613004B1 (en) * 2000-04-21 2003-09-02 Insightec-Txsonics, Ltd. Systems and methods for creating longer necrosed volumes using a phased array focused ultrasound system

Also Published As

Publication number Publication date
FR3054768A1 (fr) 2018-02-02
US20190160491A1 (en) 2019-05-30
EP3490727A1 (fr) 2019-06-05
WO2018019778A1 (fr) 2018-02-01

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PLSC Publication of the preliminary search report

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Effective date: 20220305