EP0641606A3 - Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof. - Google Patents

Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof. Download PDF

Info

Publication number
EP0641606A3
EP0641606A3 EP94306515A EP94306515A EP0641606A3 EP 0641606 A3 EP0641606 A3 EP 0641606A3 EP 94306515 A EP94306515 A EP 94306515A EP 94306515 A EP94306515 A EP 94306515A EP 0641606 A3 EP0641606 A3 EP 0641606A3
Authority
EP
European Patent Office
Prior art keywords
manufacture
methods
phased array
array transducer
frequency controlled
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.)
Granted
Application number
EP94306515A
Other languages
German (de)
French (fr)
Other versions
EP0641606B1 (en
EP0641606A2 (en
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 US08/117,868 external-priority patent/US5415175A/en
Priority claimed from US08/117,869 external-priority patent/US5438998A/en
Application filed by Acuson Corp filed Critical Acuson Corp
Publication of EP0641606A2 publication Critical patent/EP0641606A2/en
Publication of EP0641606A3 publication Critical patent/EP0641606A3/en
Application granted granted Critical
Publication of EP0641606B1 publication Critical patent/EP0641606B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods 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
    • B06B1/0622—Methods 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
    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone 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)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

There is provided a transducer array with a plurality of piezoelectric elements having a minimum and maximum thickness. In one embodiment, the maximum thickness is less than or equal to 140 percent of the minimum thickness. In an alternate embodiment, the maximum thickness is greater than 140 percent of the minimum thickness and the transducer array is capable of simulating the excitation of a wider aperture twodimensional transducer array. One or more matching layers may be used to further increase bandwidth performance. In addition, a two crystal transducer element as well as a composite transducer structure may be formed using the principles of this invention.
EP94306515A 1993-09-07 1994-09-05 Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof Expired - Lifetime EP0641606B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US117869 1993-09-07
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
US117868 1993-09-07
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

Publications (3)

Publication Number Publication Date
EP0641606A2 EP0641606A2 (en) 1995-03-08
EP0641606A3 true EP0641606A3 (en) 1996-06-12
EP0641606B1 EP0641606B1 (en) 2000-02-02

Family

ID=26815733

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94306515A Expired - Lifetime EP0641606B1 (en) 1993-09-07 1994-09-05 Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof

Country Status (6)

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

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GB9610511D0 (en) * 1996-05-20 1996-07-31 Cantwell Evelyna D Scanning ultrasound probe
JP2003092796A (en) * 2001-09-18 2003-03-28 Ueda Japan Radio Co Ltd Ultrasonic wave vibrator with curved face
US6984922B1 (en) 2002-07-22 2006-01-10 Matsushita Electric Industrial Co., Ltd. Composite piezoelectric transducer and method of fabricating the same
CN101422376B (en) * 2003-01-23 2012-05-23 株式会社日立医药 Ultrasonic probe and ultrasonic diagnosing device
EP1626817A2 (en) * 2003-04-15 2006-02-22 Koninklijke Philips Electronics N.V. Two-dimensional (2d) array capable of harmonic generation for ultrasound imaging
JP2004340809A (en) * 2003-05-16 2004-12-02 Mitsubishi Heavy Ind Ltd Phased array probe and ultrasonic test equipment using it
JP4413568B2 (en) * 2003-09-19 2010-02-10 パナソニック株式会社 Ultrasonic probe
JP4424958B2 (en) * 2003-10-02 2010-03-03 パナソニック株式会社 Ultrasonic probe
JP5275565B2 (en) 2004-06-07 2013-08-28 オリンパス株式会社 Capacitive ultrasonic transducer
CN101431941B (en) 2006-04-28 2011-05-18 松下电器产业株式会社 Ultrasonic probe
JP5157127B2 (en) * 2006-10-31 2013-03-06 セイコーエプソン株式会社 Actuator device, manufacturing method thereof, liquid jet head, and liquid jet device
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
US9950282B2 (en) 2012-03-15 2018-04-24 Flodesign Sonics, Inc. Electronic configuration and control for acoustic standing wave generation
US9796956B2 (en) 2013-11-06 2017-10-24 Flodesign Sonics, Inc. Multi-stage acoustophoresis device
US10322949B2 (en) 2012-03-15 2019-06-18 Flodesign Sonics, Inc. Transducer and reflector configurations for an acoustophoretic device
US10370635B2 (en) 2012-03-15 2019-08-06 Flodesign Sonics, Inc. Acoustic separation of T cells
US9272234B2 (en) 2012-03-15 2016-03-01 Flodesign Sonics, Inc. Separation of multi-component fluid through ultrasonic acoustophoresis
US9458450B2 (en) 2012-03-15 2016-10-04 Flodesign Sonics, Inc. Acoustophoretic separation technology using multi-dimensional standing waves
US9567559B2 (en) 2012-03-15 2017-02-14 Flodesign Sonics, Inc. Bioreactor using acoustic standing waves
US9783775B2 (en) 2012-03-15 2017-10-10 Flodesign Sonics, Inc. Bioreactor using acoustic standing waves
US9745548B2 (en) 2012-03-15 2017-08-29 Flodesign Sonics, Inc. Acoustic perfusion devices
US10967298B2 (en) 2012-03-15 2021-04-06 Flodesign Sonics, Inc. Driver and control for variable impedence load
US10704021B2 (en) 2012-03-15 2020-07-07 Flodesign Sonics, Inc. Acoustic perfusion devices
US10953436B2 (en) 2012-03-15 2021-03-23 Flodesign Sonics, Inc. Acoustophoretic device with piezoelectric transducer array
US9752114B2 (en) 2012-03-15 2017-09-05 Flodesign Sonics, Inc Bioreactor using acoustic standing waves
US9752113B2 (en) 2012-03-15 2017-09-05 Flodesign Sonics, Inc. Acoustic perfusion devices
US11179747B2 (en) 2015-07-09 2021-11-23 Flodesign Sonics, Inc. Non-planar and non-symmetrical piezoelectric crystals and reflectors
US10737953B2 (en) 2012-04-20 2020-08-11 Flodesign Sonics, Inc. Acoustophoretic method for use in bioreactors
JP2014198197A (en) * 2013-03-29 2014-10-23 セイコーエプソン株式会社 Acoustic matching body, ultrasonic probe, and ultrasonic imaging device
CN103278570A (en) * 2013-06-13 2013-09-04 江苏大学 Ultrasonic linear phased array transducer for detecting metallic material and manufacturing method
US9745569B2 (en) 2013-09-13 2017-08-29 Flodesign Sonics, Inc. System for generating high concentration factors for low cell density suspensions
CN105939767B (en) 2014-01-08 2018-04-06 弗洛设计声能学公司 Sound electrophoretic apparatus with alliteration electrophoresis 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
US11021699B2 (en) 2015-04-29 2021-06-01 FioDesign Sonics, Inc. Separation using angled acoustic waves
US10640760B2 (en) 2016-05-03 2020-05-05 Flodesign Sonics, Inc. Therapeutic cell washing, concentration, and separation utilizing acoustophoresis
US11708572B2 (en) 2015-04-29 2023-07-25 Flodesign Sonics, Inc. Acoustic cell separation techniques and processes
US11377651B2 (en) 2016-10-19 2022-07-05 Flodesign Sonics, Inc. Cell therapy processes utilizing acoustophoresis
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
EP3529347A1 (en) 2016-10-19 2019-08-28 Flodesign Sonics, Inc. Affinity cell extraction by acoustics
CA3085784A1 (en) 2017-12-14 2019-06-20 Flodesign Sonics, Inc. Acoustic transducer driver and controller
US11678865B2 (en) * 2017-12-29 2023-06-20 Fujifilm Sonosite, Inc. High frequency ultrasound transducer
JP6728260B2 (en) 2018-03-22 2020-07-22 株式会社東芝 Multilayer ultrasonic transducer and ultrasonic inspection device
WO2019236409A1 (en) * 2018-06-04 2019-12-12 Fujifilm Sonosite, Inc. Ultrasound transducer with curved transducer stack
JP7145799B2 (en) 2019-03-19 2022-10-03 株式会社東芝 ultrasonic inspection equipment
CN111112037A (en) * 2020-01-20 2020-05-08 重庆医科大学 Lens type multi-frequency focusing ultrasonic transducer, transduction system and method for determining axial length of acoustic focal region of lens type multi-frequency focusing ultrasonic transducer
DE102020208570A1 (en) * 2020-07-08 2022-01-13 Atlas Elektronik Gmbh Waterborne sound transducer with a directional radiation characteristic
DE102021123704A1 (en) 2021-09-14 2023-03-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein ULTRASOUND TRANSDUCER, METHOD OF MANUFACTURE OF ULTRASOUND TRANSDUCER AND DEVICE FOR MEDICAL THERAPY WITH HIGH INTENSITY FOCUSED ULTRASOUND
US20230145064A1 (en) * 2021-11-05 2023-05-11 Kobi Vortman Variable-bandwidth transducers with asymmetric features

Citations (15)

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Publication number Priority date Publication date Assignee Title
US3666979A (en) * 1970-06-17 1972-05-30 Automation Ind Inc Focused piezoelectric transducer and method of making
US3833825A (en) * 1973-04-11 1974-09-03 Honeywell Inc Wide-band electroacoustic transducer
DE2508023A1 (en) * 1974-02-26 1975-08-28 Tsnii Technologii Mash WIDEBAND ULTRASONIC CONVERTER AND ITS APPLICATION
US4016751A (en) * 1973-09-13 1977-04-12 The Commonwealth Of Australia Care Of The Department Of Health Ultrasonic beam forming technique
GB2079102A (en) * 1980-06-27 1982-01-13 Matsushita Electric Ind Co Ltd Arc scan transducer array having a diverging lens
GB2079456A (en) * 1980-06-30 1982-01-20 Second Found Extended focus transducer system
US4350917A (en) * 1980-06-09 1982-09-21 Riverside Research Institute Frequency-controlled scanning of ultrasonic beams
US4485321A (en) * 1982-01-29 1984-11-27 The United States Of America As Represented By The Secretary Of The Navy Broad bandwidth composite transducers
EP0145429A2 (en) * 1983-12-08 1985-06-19 Kabushiki Kaisha Toshiba Curvilinear array of ultrasonic transducers
GB2190818A (en) * 1986-05-07 1987-11-25 Brueel & Kjaer As An ultrasonic transducer for providing a desired sound field
EP0285482A1 (en) * 1987-03-19 1988-10-05 Thomson-Csf Multifrequency acoustic transducer, particularly for medical imaging
US4866683A (en) * 1988-05-24 1989-09-12 Honeywell, Inc. Integrated acoustic receiver or projector
EP0346891A2 (en) * 1988-06-15 1989-12-20 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe and method of manufacturing the same
US4963782A (en) * 1988-10-03 1990-10-16 Ausonics Pty. Ltd. Multifrequency composite ultrasonic transducer system
US5291090A (en) * 1992-12-17 1994-03-01 Hewlett-Packard Company Curvilinear interleaved longitudinal-mode ultrasound transducers

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US4534221A (en) * 1982-09-27 1985-08-13 Technicare Corporation Ultrasonic diagnostic imaging systems for varying depths of field
US5025790A (en) * 1989-05-16 1991-06-25 Hewlett-Packard Company Graded frequency sensors

Patent Citations (15)

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Publication number Priority date Publication date Assignee Title
US3666979A (en) * 1970-06-17 1972-05-30 Automation Ind Inc Focused piezoelectric transducer and method of making
US3833825A (en) * 1973-04-11 1974-09-03 Honeywell Inc Wide-band electroacoustic transducer
US4016751A (en) * 1973-09-13 1977-04-12 The Commonwealth Of Australia Care Of The Department Of Health Ultrasonic beam forming technique
DE2508023A1 (en) * 1974-02-26 1975-08-28 Tsnii Technologii Mash WIDEBAND ULTRASONIC CONVERTER AND ITS APPLICATION
US4350917A (en) * 1980-06-09 1982-09-21 Riverside Research Institute Frequency-controlled scanning of ultrasonic beams
GB2079102A (en) * 1980-06-27 1982-01-13 Matsushita Electric Ind Co Ltd Arc scan transducer array having a diverging lens
GB2079456A (en) * 1980-06-30 1982-01-20 Second Found Extended focus transducer system
US4485321A (en) * 1982-01-29 1984-11-27 The United States Of America As Represented By The Secretary Of The Navy Broad bandwidth composite transducers
EP0145429A2 (en) * 1983-12-08 1985-06-19 Kabushiki Kaisha Toshiba Curvilinear array of ultrasonic transducers
GB2190818A (en) * 1986-05-07 1987-11-25 Brueel & Kjaer As An ultrasonic transducer for providing a desired sound field
EP0285482A1 (en) * 1987-03-19 1988-10-05 Thomson-Csf Multifrequency acoustic transducer, particularly for medical imaging
US4866683A (en) * 1988-05-24 1989-09-12 Honeywell, Inc. Integrated acoustic receiver or projector
EP0346891A2 (en) * 1988-06-15 1989-12-20 Matsushita Electric Industrial Co., Ltd. Ultrasonic probe and method of manufacturing the same
US4963782A (en) * 1988-10-03 1990-10-16 Ausonics Pty. Ltd. Multifrequency composite ultrasonic transducer system
US5291090A (en) * 1992-12-17 1994-03-01 Hewlett-Packard Company Curvilinear interleaved longitudinal-mode ultrasound transducers

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BARTHE P G ET AL: "A STAIRCASE MODEL OF TAPERED-THICKNESS PIEZOELECTRIC CERAMICS", JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, vol. 89, no. 3, 1 March 1991 (1991-03-01), pages 1434 - 1442, XP000200884 *
SCHROPE B ET AL: "SIMULATED CAPILLARY BLOOD FLOW MEASUREMENT USING A NONLINEAR ULTRASONIC CONTRAST AGENT1", ULTRASONIC IMAGING, vol. 14, no. 2, 1 April 1992 (1992-04-01), pages 134 - 158, XP000270104 *
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Also Published As

Publication number Publication date
CA2129946A1 (en) 1995-03-08
DE69422867T2 (en) 2000-12-07
ATE189415T1 (en) 2000-02-15
JPH07107595A (en) 1995-04-21
JP3478874B2 (en) 2003-12-15
EP0641606B1 (en) 2000-02-02
EP0641606A2 (en) 1995-03-08
AU688334B2 (en) 1998-03-12
AU7020994A (en) 1995-03-23
DE69422867D1 (en) 2000-03-09
CA2129946C (en) 1998-09-29

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