EP0017216A3 - Ultrasonic transducer - Google Patents

Ultrasonic transducer Download PDF

Info

Publication number
EP0017216A3
EP0017216A3 EP80101743A EP80101743A EP0017216A3 EP 0017216 A3 EP0017216 A3 EP 0017216A3 EP 80101743 A EP80101743 A EP 80101743A EP 80101743 A EP80101743 A EP 80101743A EP 0017216 A3 EP0017216 A3 EP 0017216A3
Authority
EP
European Patent Office
Prior art keywords
dielectric constant
acoustic impedance
ultrasonic transducer
mate
superimposed
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
EP80101743A
Other languages
English (en)
Other versions
EP0017216B1 (de
EP0017216A2 (de
Inventor
Jaques Dr. Dipl.-Ing. Borburgh
Ingmar Dr. Dipl.-Phys. Feigt
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 AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Priority to AT80101743T priority Critical patent/ATE2293T1/de
Publication of EP0017216A2 publication Critical patent/EP0017216A2/de
Publication of EP0017216A3 publication Critical patent/EP0017216A3/de
Application granted granted Critical
Publication of EP0017216B1 publication Critical patent/EP0017216B1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S310/00—Electrical generator or motor structure
    • Y10S310/80—Piezoelectric polymers, e.g. PVDF
EP80101743A 1979-04-06 1980-04-01 Ultraschallwandler Expired EP0017216B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80101743T ATE2293T1 (de) 1979-04-06 1980-04-01 Ultraschallwandler.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2914031A DE2914031C2 (de) 1979-04-06 1979-04-06 Ultraschallwandler
DE2914031 1979-04-06

Publications (3)

Publication Number Publication Date
EP0017216A2 EP0017216A2 (de) 1980-10-15
EP0017216A3 true EP0017216A3 (en) 1980-11-12
EP0017216B1 EP0017216B1 (de) 1983-01-19

Family

ID=6067702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80101743A Expired EP0017216B1 (de) 1979-04-06 1980-04-01 Ultraschallwandler

Country Status (7)

Country Link
US (1) US4354132A (de)
EP (1) EP0017216B1 (de)
JP (1) JPS5856320B2 (de)
AT (1) ATE2293T1 (de)
AU (1) AU5715680A (de)
CA (1) CA1154861A (de)
DE (2) DE2914031C2 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0123446Y2 (de) * 1979-10-15 1989-07-19
FR2484179A1 (fr) * 1980-06-10 1981-12-11 Cgr Ultrasonic Sonde ultrasonore a deux elements transucteurs et dispositif comportant une telle sonde
FR2496919A1 (fr) * 1980-12-22 1982-06-25 Labo Electronique Physique Appareil d'examen de milieux par methode ultrasonore
JPS5885911A (ja) * 1981-11-18 1983-05-23 Matsushita Electric Ind Co Ltd 波形等化方法
DE3146949A1 (de) * 1981-11-26 1983-06-01 Siemens AG, 1000 Berlin und 8000 München "ultraschallwandler"
DE3204829A1 (de) * 1982-02-11 1983-08-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Anordnung zur untersuchung mit ultraschall
US4523471A (en) * 1982-09-28 1985-06-18 Biosound, Inc. Composite transducer structure
DE3309234A1 (de) * 1983-03-15 1984-09-20 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
US4737939A (en) * 1983-05-23 1988-04-12 Raytheon Company Composite transducer
GB2141902B (en) * 1983-05-23 1986-09-17 Raytheon Co Composite transducer
JPS60107736A (ja) * 1983-11-16 1985-06-13 Ricoh Co Ltd 光ディスクメモリにおける信号読出方法
US4544859A (en) * 1984-07-06 1985-10-01 The United States Of America As Represented By The United States Department Of Energy Non-bonded piezoelectric ultrasonic transducer
US4695988A (en) * 1984-09-12 1987-09-22 Ngk Spark Plug Co. Ltd. Underwater piezoelectric arrangement
DE3441563A1 (de) * 1984-11-14 1985-05-30 Michael Dipl.-Phys. 5600 Wuppertal Platte Kombinierte ultraschallwandler aus keramischen und hochpolymeren piezoelektrischen materialien
US4654546A (en) * 1984-11-20 1987-03-31 Kari Kirjavainen Electromechanical film and procedure for manufacturing same
JPS60138457A (ja) * 1984-11-30 1985-07-23 Hitachi Ltd 送受分離形超音波探触子
US4634917A (en) * 1984-12-26 1987-01-06 Battelle Memorial Institute Active multi-layer piezoelectric tactile sensor apparatus and method
US4620446A (en) * 1984-12-31 1986-11-04 Bruel & Kjaer Instruments, Inc. Acceleration responsive transducers
NL8501908A (nl) * 1985-07-03 1987-02-02 Tno Tastsensor.
JPS62234205A (ja) * 1986-04-04 1987-10-14 Y Ii Data:Kk デジタル磁気記録情報の再生方式
US4841494A (en) * 1987-07-03 1989-06-20 Ngk Spark Plug Co., Ltd. Underwater piezoelectric arrangement
JPS6456038A (en) * 1987-08-25 1989-03-02 Yokogawa Medical Syst Ultrasonic probe
DE3839057A1 (de) * 1988-11-18 1990-05-23 Fraunhofer Ges Forschung Gruppenstrahler
US4928264A (en) * 1989-06-30 1990-05-22 The United States Of America As Represented By The Secretary Of The Navy Noise-suppressing hydrophones
DE3926346A1 (de) * 1989-08-09 1991-02-14 Rieter Ag Maschf Verfahren und vorrichtung zur ermittlung von mit fremdkoerpern verunreinigtem fasergut
DE4139024C1 (de) * 1991-11-27 1993-04-15 Siemens Ag, 8000 Muenchen, De
US5446333A (en) * 1992-09-21 1995-08-29 Ngk Insulators, Ltd. Ultrasonic transducers
GB9225898D0 (en) * 1992-12-11 1993-02-03 Univ Strathclyde Ultrasonic transducer
US5389848A (en) * 1993-01-15 1995-02-14 General Electric Company Hybrid ultrasonic transducer
US5536910A (en) * 1993-08-09 1996-07-16 Northrop Grumman Sound, radio and radiation wave-absorbing, non-reflecting structure and method thereof
EP0706835B1 (de) * 1994-10-10 1999-01-20 Endress + Hauser GmbH + Co. Ein Verfahren zum Betrieb eines Ultraschallwandlers und Schaltungsanordnung zur Durchführung des Verfahrens
US5479377A (en) * 1994-12-19 1995-12-26 Lum; Paul Membrane-supported electronics for a hydrophone
US5825117A (en) * 1996-03-26 1998-10-20 Hewlett-Packard Company Second harmonic imaging transducers
US5957851A (en) * 1996-06-10 1999-09-28 Acuson Corporation Extended bandwidth ultrasonic transducer
US5945770A (en) * 1997-08-20 1999-08-31 Acuson Corporation Multilayer ultrasound transducer and the method of manufacture thereof
US6416478B1 (en) 1998-05-05 2002-07-09 Acuson Corporation Extended bandwidth ultrasonic transducer and method
DE19901847A1 (de) * 1998-08-06 2000-02-10 Volkswagen Ag Verfahren und Vorrichtung zur Erfassung von Objekten, insbesondere als Einparkhilfe-Assistenz-Vorrichtung in einem Kraftfahrzeug
US6409667B1 (en) 2000-02-23 2002-06-25 Acuson Corporation Medical diagnostic ultrasound transducer system and method for harmonic imaging
JP4904704B2 (ja) * 2005-03-18 2012-03-28 アイシン精機株式会社 荷重検知装置
WO2007085022A2 (en) * 2006-01-20 2007-07-26 Akrion Technologies, Inc. System, apparatus and methods for processing substrates using acoustic energy
WO2008018278A1 (fr) * 2006-08-08 2008-02-14 Konica Minolta Medical & Graphic, Inc. Sonde à ultrasons et procédé de fabrication d'une sonde à ultrasons
US20080166567A1 (en) * 2007-01-09 2008-07-10 Konica Minolta Medical & Graphic, Inc. Piezoelectric element, manufacture and ultrasonic probe
CN101965232B (zh) * 2008-01-09 2014-04-23 海浪科技有限公司 多频带声学换能器阵列
JP5348451B2 (ja) * 2008-02-13 2013-11-20 アイシン精機株式会社 荷重検出装置
US8817575B1 (en) * 2011-09-29 2014-08-26 The United States Of America As Represented By The Secretary Of The Navy Transducer for high pressure environment
US9239386B2 (en) 2011-10-05 2016-01-19 Infineon Technologies Ag Sonic sensors and packages
DE102013205157A1 (de) * 2013-03-22 2014-10-09 Robert Bosch Gmbh Sensoranordnung und Verfahren zur Umfelderfassung eines Fahrzeugs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665451A (en) * 1943-04-17 1952-01-23 Technical Assets Inc Piezoelectric plastic material and method of making same
DE1116455B (de) * 1955-03-21 1961-11-02 Sperry Prod Inc Ultraschallwandler zur Aussendung und zum Empfang von mechanischen Impulsen in bzw. aus einem Gegenstand

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625035A (en) * 1945-12-22 1953-01-13 United Aircraft Corp Supersonic inspection device
US2875354A (en) * 1954-01-29 1959-02-24 Branson Instr Piezoelectric transducer
US4217684A (en) * 1979-04-16 1980-08-19 General Electric Company Fabrication of front surface matched ultrasonic transducer array

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB665451A (en) * 1943-04-17 1952-01-23 Technical Assets Inc Piezoelectric plastic material and method of making same
DE1116455B (de) * 1955-03-21 1961-11-02 Sperry Prod Inc Ultraschallwandler zur Aussendung und zum Empfang von mechanischen Impulsen in bzw. aus einem Gegenstand

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ACOUSTICAL IMAGING, Vol. 8, Seiten 69-95 Proc. 8th International Symposium 29.5. - 2.6.1978 Florida (US) * Abstract, Seite 70, Zeile 34 - Seite 74, Zeile 20; Figuren 1,2 * *

Also Published As

Publication number Publication date
JPS55140392A (en) 1980-11-01
AU5715680A (en) 1980-10-09
ATE2293T1 (de) 1983-02-15
DE3061665D1 (en) 1983-02-24
JPS5856320B2 (ja) 1983-12-14
EP0017216B1 (de) 1983-01-19
US4354132A (en) 1982-10-12
EP0017216A2 (de) 1980-10-15
CA1154861A (en) 1983-10-04
DE2914031C2 (de) 1981-01-15
DE2914031B1 (de) 1980-05-14

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