EP0436809A3 - Ultrasonic transducer using piezoelectric elements - Google Patents

Ultrasonic transducer using piezoelectric elements Download PDF

Info

Publication number
EP0436809A3
EP0436809A3 EP19900122050 EP90122050A EP0436809A3 EP 0436809 A3 EP0436809 A3 EP 0436809A3 EP 19900122050 EP19900122050 EP 19900122050 EP 90122050 A EP90122050 A EP 90122050A EP 0436809 A3 EP0436809 A3 EP 0436809A3
Authority
EP
European Patent Office
Prior art keywords
ultrasonic transducer
piezoelectric elements
piezoelectric
elements
transducer
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.)
Withdrawn
Application number
EP19900122050
Other languages
English (en)
Other versions
EP0436809A2 (de
Inventor
Dagobert Dipl.-Ing. Schaefer
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.)
Richard Wolf GmbH
Original Assignee
Richard Wolf GmbH
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 Richard Wolf GmbH filed Critical Richard Wolf GmbH
Publication of EP0436809A2 publication Critical patent/EP0436809A2/de
Publication of EP0436809A3 publication Critical patent/EP0436809A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • 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
    • B06B1/0637—Spherical array

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Surgical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
EP19900122050 1990-01-09 1990-11-17 Ultrasonic transducer using piezoelectric elements Withdrawn EP0436809A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4000362 1990-01-09
DE4000362A DE4000362C2 (de) 1990-01-09 1990-01-09 Ultraschallwandler mit piezoelektrischen Wandlerelementen

Publications (2)

Publication Number Publication Date
EP0436809A2 EP0436809A2 (de) 1991-07-17
EP0436809A3 true EP0436809A3 (en) 1992-07-22

Family

ID=6397744

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900122050 Withdrawn EP0436809A3 (en) 1990-01-09 1990-11-17 Ultrasonic transducer using piezoelectric elements

Country Status (3)

Country Link
US (1) US5101133A (de)
EP (1) EP0436809A3 (de)
DE (1) DE4000362C2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329202A (en) * 1991-11-22 1994-07-12 Advanced Imaging Systems Large area ultrasonic transducer
DE4307669C2 (de) * 1993-03-11 1995-06-29 Wolf Gmbh Richard Gerät zur Erzeugung von Schallimpulsen für den medizinischen Anwendungsbereich
US5743855A (en) * 1995-03-03 1998-04-28 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5415175A (en) * 1993-09-07 1995-05-16 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5438998A (en) * 1993-09-07 1995-08-08 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5595178A (en) * 1994-10-02 1997-01-21 Hmt High Medical Technologies Gmbh System, method and apparatus for treatment of degenerative bone
WO1997016260A1 (de) * 1995-11-02 1997-05-09 Sonident Anstalt Piezoelektrischer ultraschallwandler
DE19733233C1 (de) * 1997-08-01 1998-09-17 Wolf Gmbh Richard Elektroakustischer Wandler
US7867178B2 (en) * 2003-02-26 2011-01-11 Sanuwave, Inc. Apparatus for generating shock waves with piezoelectric fibers integrated in a composite
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
CN100490924C (zh) * 2004-12-27 2009-05-27 赖宁磊 准自聚焦高强度大功率超声换能器
JP4703382B2 (ja) * 2005-02-14 2011-06-15 富士フイルム株式会社 振動子アレイの構造、およびその作製方法、並びに超音波プローブ
WO2016054448A1 (en) 2014-10-02 2016-04-07 Chirp Microsystems Piezoelectric micromachined ultrasonic transducers having differential transmit and receive circuitry
CN105234063A (zh) * 2015-11-06 2016-01-13 中国科学院深圳先进技术研究院 基于径向模式的单阵元超声低频换能器
DE102021128282B4 (de) 2021-10-29 2023-08-24 Pi Ceramic Gmbh Halterungsvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326701A2 (de) * 1988-02-04 1989-08-09 Dornier Medizintechnik Gmbh Piezoelektrische Stosswellenquelle
EP0421286A2 (de) * 1989-10-03 1991-04-10 Richard Wolf GmbH Piezoelektrischer Wandler

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183007A (en) * 1978-02-22 1980-01-08 Fischer & Porter Company Ultrasonic transceiver
US4217684A (en) * 1979-04-16 1980-08-19 General Electric Company Fabrication of front surface matched ultrasonic transducer array
DE3119295A1 (de) * 1981-05-14 1982-12-16 Siemens AG, 1000 Berlin und 8000 München Einrichtung zum zerstoeren von konkrementen in koerperhoehlen
US4460841A (en) * 1982-02-16 1984-07-17 General Electric Company Ultrasonic transducer shading
US4551647A (en) * 1983-03-08 1985-11-05 General Electric Company Temperature compensated piezoelectric transducer and lens assembly and method of making the assembly
US4608507A (en) * 1984-06-29 1986-08-26 Micro Pure Systems, Inc. Damping device for focused piezoelectric transducer
DE3425992C2 (de) * 1984-07-14 1986-10-09 Richard Wolf Gmbh, 7134 Knittlingen Piezoelektrischer Wandler zur Zerstörung von Konkrementen im Körperinneren
JPH0660896B2 (ja) * 1984-11-02 1994-08-10 株式会社日立製作所 超音波探触子
US4604543A (en) * 1984-11-29 1986-08-05 Hitachi, Ltd. Multi-element ultrasonic transducer
DE3545353A1 (de) * 1985-12-20 1987-06-25 Siemens Ag Verfahren und vorrichtung zur messung der schalleistung eines fokussierten ultraschallfeldes
JPS6382100A (ja) * 1986-09-26 1988-04-12 Hitachi Ltd 圧電素子およびその製造方法
DE3761731D1 (de) * 1986-11-04 1990-03-29 Siemens Ag Ultraschall-sensor.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0326701A2 (de) * 1988-02-04 1989-08-09 Dornier Medizintechnik Gmbh Piezoelektrische Stosswellenquelle
EP0421286A2 (de) * 1989-10-03 1991-04-10 Richard Wolf GmbH Piezoelektrischer Wandler

Also Published As

Publication number Publication date
DE4000362A1 (de) 1991-07-11
EP0436809A2 (de) 1991-07-17
DE4000362C2 (de) 1993-11-11
US5101133A (en) 1992-03-31

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