DE69422867T2 - Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner Produktion - Google Patents

Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner Produktion

Info

Publication number
DE69422867T2
DE69422867T2 DE69422867T DE69422867T DE69422867T2 DE 69422867 T2 DE69422867 T2 DE 69422867T2 DE 69422867 T DE69422867 T DE 69422867T DE 69422867 T DE69422867 T DE 69422867T DE 69422867 T2 DE69422867 T2 DE 69422867T2
Authority
DE
Germany
Prior art keywords
transducer
thickness
transducer according
matching layer
elements
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 - Lifetime
Application number
DE69422867T
Other languages
German (de)
English (en)
Other versions
DE69422867D1 (de
Inventor
Amin M. Hanafy
Samuel H. Maslak
Jay S. Plugge
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.)
Siemens Medical Solutions USA Inc
Original Assignee
Acuson Corp
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
Priority claimed from US08/117,869 external-priority patent/US5438998A/en
Priority claimed from US08/117,868 external-priority patent/US5415175A/en
Application filed by Acuson Corp filed Critical Acuson Corp
Application granted granted Critical
Publication of DE69422867D1 publication Critical patent/DE69422867D1/de
Publication of DE69422867T2 publication Critical patent/DE69422867T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/32Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69422867T 1993-09-07 1994-09-05 Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner Produktion Expired - Lifetime DE69422867T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/117,869 US5438998A (en) 1993-09-07 1993-09-07 Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US08/117,868 US5415175A (en) 1993-09-07 1993-09-07 Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof

Publications (2)

Publication Number Publication Date
DE69422867D1 DE69422867D1 (de) 2000-03-09
DE69422867T2 true DE69422867T2 (de) 2000-12-07

Family

ID=26815733

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69422867T Expired - Lifetime DE69422867T2 (de) 1993-09-07 1994-09-05 Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner Produktion

Country Status (6)

Country Link
EP (1) EP0641606B1 (fr)
JP (1) JP3478874B2 (fr)
AT (1) ATE189415T1 (fr)
AU (1) AU688334B2 (fr)
CA (1) CA2129946C (fr)
DE (1) DE69422867T2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022008264A1 (fr) * 2020-07-08 2022-01-13 Atlas Elektronik Gmbh Transducteur sonore en milieu aqueux présentant une caractéristique de rayonnement dirigé

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US6984922B1 (en) 2002-07-22 2006-01-10 Matsushita Electric Industrial Co., Ltd. Composite piezoelectric transducer and method of fabricating the same
CN101422376B (zh) * 2003-01-23 2012-05-23 株式会社日立医药 超声波探头与超声波诊断设备
JP2006524531A (ja) * 2003-04-15 2006-11-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 超音波撮像のための高調波発生可能な二次元(2d)アレイ
JP2004340809A (ja) * 2003-05-16 2004-12-02 Mitsubishi Heavy Ind Ltd フェーズドアレイプローブ及びそれを用いた超音波探傷装置
JP4413568B2 (ja) * 2003-09-19 2010-02-10 パナソニック株式会社 超音波探触子
JP4424958B2 (ja) * 2003-10-02 2010-03-03 パナソニック株式会社 超音波探触子
JP5275565B2 (ja) 2004-06-07 2013-08-28 オリンパス株式会社 静電容量型超音波トランスデューサ
EP2014236A4 (fr) * 2006-04-28 2016-05-11 Konica Minolta Inc Sonde ultrasonique
JP5157127B2 (ja) * 2006-10-31 2013-03-06 セイコーエプソン株式会社 アクチュエータ装置及びその製造方法、並びに液体噴射ヘッド及び液体噴射装置
GB0723622D0 (en) * 2007-12-04 2008-01-09 Univ Exeter The Devices, systems and methods of detecting defects in workpieces
US8691145B2 (en) 2009-11-16 2014-04-08 Flodesign Sonics, Inc. Ultrasound and acoustophoresis for water purification
US10689609B2 (en) 2012-03-15 2020-06-23 Flodesign Sonics, Inc. Acoustic bioreactor processes
US10370635B2 (en) 2012-03-15 2019-08-06 Flodesign Sonics, Inc. Acoustic separation of T cells
US9745548B2 (en) 2012-03-15 2017-08-29 Flodesign Sonics, Inc. Acoustic perfusion devices
US10953436B2 (en) 2012-03-15 2021-03-23 Flodesign Sonics, Inc. Acoustophoretic device with piezoelectric transducer array
US10967298B2 (en) 2012-03-15 2021-04-06 Flodesign Sonics, Inc. Driver and control for variable impedence load
US9567559B2 (en) 2012-03-15 2017-02-14 Flodesign Sonics, Inc. Bioreactor using acoustic standing waves
US10704021B2 (en) 2012-03-15 2020-07-07 Flodesign Sonics, Inc. Acoustic perfusion devices
US9752114B2 (en) 2012-03-15 2017-09-05 Flodesign Sonics, Inc Bioreactor using acoustic standing waves
US9796956B2 (en) 2013-11-06 2017-10-24 Flodesign Sonics, Inc. Multi-stage acoustophoresis device
US9950282B2 (en) 2012-03-15 2018-04-24 Flodesign Sonics, Inc. Electronic configuration and control for acoustic standing wave generation
US9752113B2 (en) 2012-03-15 2017-09-05 Flodesign Sonics, Inc. Acoustic perfusion devices
US9458450B2 (en) 2012-03-15 2016-10-04 Flodesign Sonics, Inc. Acoustophoretic separation technology using multi-dimensional standing waves
US10322949B2 (en) 2012-03-15 2019-06-18 Flodesign Sonics, Inc. Transducer and reflector configurations for an acoustophoretic device
US9783775B2 (en) 2012-03-15 2017-10-10 Flodesign Sonics, Inc. Bioreactor using acoustic standing waves
US9272234B2 (en) 2012-03-15 2016-03-01 Flodesign Sonics, Inc. Separation of multi-component fluid through ultrasonic acoustophoresis
US10737953B2 (en) 2012-04-20 2020-08-11 Flodesign Sonics, Inc. Acoustophoretic method for use in bioreactors
JP2014198197A (ja) * 2013-03-29 2014-10-23 セイコーエプソン株式会社 音響整合体並びに超音波プローブおよび超音波画像装置
CN103278570A (zh) * 2013-06-13 2013-09-04 江苏大学 一种用于金属材料检测的超声相控线阵换能器及制作方法
US9745569B2 (en) 2013-09-13 2017-08-29 Flodesign Sonics, Inc. System for generating high concentration factors for low cell density suspensions
US9725710B2 (en) 2014-01-08 2017-08-08 Flodesign Sonics, Inc. Acoustophoresis device with dual acoustophoretic chamber
US9744483B2 (en) 2014-07-02 2017-08-29 Flodesign Sonics, Inc. Large scale acoustic separation device
US10106770B2 (en) 2015-03-24 2018-10-23 Flodesign Sonics, Inc. Methods and apparatus for particle aggregation using acoustic standing waves
US11708572B2 (en) 2015-04-29 2023-07-25 Flodesign Sonics, Inc. Acoustic cell separation techniques and processes
US11021699B2 (en) 2015-04-29 2021-06-01 FioDesign Sonics, Inc. Separation using angled acoustic waves
US11377651B2 (en) 2016-10-19 2022-07-05 Flodesign Sonics, Inc. Cell therapy processes utilizing acoustophoresis
CN108025333B (zh) * 2015-07-09 2020-10-02 弗洛设计声能学公司 非平面和非对称压电晶体及反射器
US11474085B2 (en) 2015-07-28 2022-10-18 Flodesign Sonics, Inc. Expanded bed affinity selection
US11459540B2 (en) 2015-07-28 2022-10-04 Flodesign Sonics, Inc. Expanded bed affinity selection
US10710006B2 (en) 2016-04-25 2020-07-14 Flodesign Sonics, Inc. Piezoelectric transducer for generation of an acoustic standing wave
US11214789B2 (en) 2016-05-03 2022-01-04 Flodesign Sonics, Inc. Concentration and washing of particles with acoustics
US11085035B2 (en) 2016-05-03 2021-08-10 Flodesign Sonics, Inc. Therapeutic cell washing, concentration, and separation utilizing acoustophoresis
CN114891635A (zh) 2016-05-03 2022-08-12 弗洛设计声能学公司 利用声泳的治疗细胞洗涤、浓缩和分离
WO2018075830A1 (fr) 2016-10-19 2018-04-26 Flodesign Sonics, Inc. Extraction par affinité de cellules par un procédé acoustique
WO2019118921A1 (fr) 2017-12-14 2019-06-20 Flodesign Sonics, Inc. Circuit d'excitation et circuit de commande de transducteur acoustique
US11678865B2 (en) * 2017-12-29 2023-06-20 Fujifilm Sonosite, Inc. High frequency ultrasound transducer
JP6728260B2 (ja) 2018-03-22 2020-07-22 株式会社東芝 積層型超音波トランスデューサ及び超音波検査装置
US11541423B2 (en) 2018-06-04 2023-01-03 Fujifilm Sonosite, Inc. Ultrasound transducer with curved transducer stack
JP7145799B2 (ja) 2019-03-19 2022-10-03 株式会社東芝 超音波検査装置
CN111112037A (zh) * 2020-01-20 2020-05-08 重庆医科大学 透镜式多频聚焦超声换能器、换能系统及其声焦域轴向长度的确定方法
DE102021123704A1 (de) 2021-09-14 2023-03-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein Ultraschallwandler, verfahren zur herstellung eines ultraschallwandlers und vorrichtung für eine medizinische therapie mit hochintensivem fokussiertem ultraschall
US20230145064A1 (en) * 2021-11-05 2023-05-11 Kobi Vortman Variable-bandwidth transducers with asymmetric features

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WO2022008264A1 (fr) * 2020-07-08 2022-01-13 Atlas Elektronik Gmbh Transducteur sonore en milieu aqueux présentant une caractéristique de rayonnement dirigé

Also Published As

Publication number Publication date
EP0641606A2 (fr) 1995-03-08
CA2129946C (fr) 1998-09-29
AU688334B2 (en) 1998-03-12
ATE189415T1 (de) 2000-02-15
EP0641606A3 (fr) 1996-06-12
JP3478874B2 (ja) 2003-12-15
CA2129946A1 (fr) 1995-03-08
AU7020994A (en) 1995-03-23
JPH07107595A (ja) 1995-04-21
DE69422867D1 (de) 2000-03-09
EP0641606B1 (fr) 2000-02-02

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