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EP0425697A4 - Ultrasonic probe and method of producing the same - Google Patents

Ultrasonic probe and method of producing the same

Info

Publication number
EP0425697A4
EP0425697A4 EP19900907427 EP90907427A EP0425697A4 EP 0425697 A4 EP0425697 A4 EP 0425697A4 EP 19900907427 EP19900907427 EP 19900907427 EP 90907427 A EP90907427 A EP 90907427A EP 0425697 A4 EP0425697 A4 EP 0425697A4
Authority
EP
European Patent Office
Prior art keywords
producing
same
ultrasonic probe
probe
ultrasonic
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Withdrawn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
EP19900907427
Other versions
EP0425697A1 (en
Inventor
Masaya Tsujuba Hausu 9-301 Horino
Akiomi Kouno
Souji Sasaki
Yukio Arima
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.)
Hitachi Construction Machinery Co Ltd
Hitachi Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Hitachi Ltd
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 Hitachi Construction Machinery Co Ltd, Hitachi Ltd filed Critical Hitachi Construction Machinery Co Ltd
Publication of EP0425697A1 publication Critical patent/EP0425697A1/en
Publication of EP0425697A4 publication Critical patent/EP0425697A4/en
Withdrawn legal-status Critical Current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
    • B06B1/0644—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
    • B06B1/0662—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 with an electrode on the sensitive surface
    • B06B1/0681—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 with an electrode on the sensitive surface and a damping structure
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
EP19900907427 1989-05-15 1990-05-14 Ultrasonic probe and method of producing the same Withdrawn EP0425697A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11867689 1989-05-15
JP118676/89 1989-05-15

Publications (2)

Publication Number Publication Date
EP0425697A1 EP0425697A1 (en) 1991-05-08
EP0425697A4 true EP0425697A4 (en) 1992-12-02

Family

ID=14742449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900907427 Withdrawn EP0425697A4 (en) 1989-05-15 1990-05-14 Ultrasonic probe and method of producing the same

Country Status (3)

Country Link
EP (1) EP0425697A4 (en)
KR (1) KR920702178A (en)
WO (1) WO1990014738A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0634227B1 (en) * 1993-07-15 1999-10-06 General Electric Company Broadband ultrasonic transducers and related method of manufacture
JP3347654B2 (en) * 1997-10-29 2002-11-20 キヤノン株式会社 Drive
KR19990078789A (en) * 1999-08-07 1999-11-05 한진호 Medical ultrasonic probe by using plasma etching
EP4285837A1 (en) * 2022-06-03 2023-12-06 Trophy Sas Compact ultrasound transducers for intraoral uses

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2097451A5 (en) * 1970-07-07 1972-03-03 Commissariat Energie Atomique
FR2251149A1 (en) * 1973-11-14 1975-06-06 Commissariat Energie Atomique Piezoelectric transducer damping device - has shaped piece of high energy dissipating rate material to attenuate pulses
US4434384A (en) * 1980-12-08 1984-02-28 Raytheon Company Ultrasonic transducer and its method of manufacture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5575646A (en) * 1978-12-04 1980-06-07 Mitsubishi Electric Corp Probe for electroacoustic conversion
JPS5912079B2 (en) * 1979-03-13 1984-03-21 東レ株式会社 ultrasonic transducer
JPS5931278A (en) * 1982-08-11 1984-02-20 株式会社日立製作所 Man conveyor
JPS60160300A (en) * 1984-01-30 1985-08-21 Nippon Dempa Kogyo Co Ltd Manufacture of array-type ultrasonic wave probe
JPS63255657A (en) * 1987-04-14 1988-10-21 Ishikawajima Harima Heavy Ind Co Ltd Manufacturing method of damper material for probe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2097451A5 (en) * 1970-07-07 1972-03-03 Commissariat Energie Atomique
FR2251149A1 (en) * 1973-11-14 1975-06-06 Commissariat Energie Atomique Piezoelectric transducer damping device - has shaped piece of high energy dissipating rate material to attenuate pulses
US4434384A (en) * 1980-12-08 1984-02-28 Raytheon Company Ultrasonic transducer and its method of manufacture

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
DATABASE WPIL Section Ch, Week 8437, Derwent Publications Ltd., London, GB; Class L03, AN 84-229199 & JP-A-59 031 278 ((VICO) VICTOR COMPANY OF JAPAN) 1 August 1984 *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 328 (E-369)24 December 1985 & JP-A-60 160 300 ( NIHON DENPA KOGYO KK ) 21 August 1985 *
See also references of WO9014738A1 *

Also Published As

Publication number Publication date
WO1990014738A1 (en) 1990-11-29
EP0425697A1 (en) 1991-05-08
KR920702178A (en) 1992-08-12

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19910102

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Payment date: 19950323

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