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AU2002335588A1 - High frequency and multi frequency band ultrasound transducers based on ceramic films - Google Patents

High frequency and multi frequency band ultrasound transducers based on ceramic films

Info

Publication number
AU2002335588A1
AU2002335588A1 AU2002335588A AU2002335588A AU2002335588A1 AU 2002335588 A1 AU2002335588 A1 AU 2002335588A1 AU 2002335588 A AU2002335588 A AU 2002335588A AU 2002335588 A AU2002335588 A AU 2002335588A AU 2002335588 A1 AU2002335588 A1 AU 2002335588A1
Authority
AU
Australia
Prior art keywords
ultrasound transducers
ceramic films
high frequency
frequency band
transducers based
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.)
Abandoned
Application number
AU2002335588A
Inventor
Bjorn A. J. Angelsen
Tonni F. Johansen
Jarle Ostgard
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.)
Eagle Ultrasound AS
Original Assignee
Eagle Ultrasound AS
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 Eagle Ultrasound AS filed Critical Eagle Ultrasound AS
Publication of AU2002335588A1 publication Critical patent/AU2002335588A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
    • G01S15/8956—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using frequencies at or above 20 MHz
    • 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
    • B06B1/064—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 with multiple active layers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
AU2002335588A 2002-07-15 2002-07-15 High frequency and multi frequency band ultrasound transducers based on ceramic films Abandoned AU2002335588A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NO2002/000263 WO2004007098A1 (en) 2002-07-15 2002-07-15 High frequency and multi frequency band ultrasound transducers based on ceramic films

Publications (1)

Publication Number Publication Date
AU2002335588A1 true AU2002335588A1 (en) 2004-02-02

Family

ID=30113394

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002335588A Abandoned AU2002335588A1 (en) 2002-07-15 2002-07-15 High frequency and multi frequency band ultrasound transducers based on ceramic films

Country Status (3)

Country Link
EP (1) EP1539381A1 (en)
AU (1) AU2002335588A1 (en)
WO (1) WO2004007098A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2402270T3 (en) 2002-10-10 2013-04-30 Visualsonics Inc. High frequency and high frequency frame ultrasound imaging system
US7230368B2 (en) 2004-04-20 2007-06-12 Visualsonics Inc. Arrayed ultrasonic transducer
EA013166B1 (en) * 2005-07-26 2010-02-26 Бьорн А.Й. Ангельсен Dual frequency band ultrasound transducer arrays
US8182428B2 (en) 2005-07-26 2012-05-22 Surf Technology As Dual frequency band ultrasound transducer arrays
CA2935422C (en) 2005-11-02 2019-01-08 Visualsonics Inc. High frequency array ultrasound system
US9173047B2 (en) 2008-09-18 2015-10-27 Fujifilm Sonosite, Inc. Methods for manufacturing ultrasound transducers and other components
US9184369B2 (en) 2008-09-18 2015-11-10 Fujifilm Sonosite, Inc. Methods for manufacturing ultrasound transducers and other components
JP6122441B2 (en) 2011-12-13 2017-04-26 ピエゾテック・エルエルシー Extended bandwidth transducer for well integrity measurements
CN108386186B (en) * 2018-02-09 2025-01-21 中国科学院声学研究所 A well wall ultrasonic imaging logging transducer and its measurement system
CN112517361B (en) * 2020-11-30 2022-06-03 国网山西省电力公司朔州供电公司 High-sensitivity multi-band combined type air-coupled ultrasonic transducer and preparation method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU5637080A (en) * 1979-03-13 1980-09-18 Toray Industries, Inc. Electro-acoustic transducer element
US5212671A (en) * 1989-06-22 1993-05-18 Terumo Kabushiki Kaisha Ultrasonic probe having backing material layer of uneven thickness
US5410205A (en) * 1993-02-11 1995-04-25 Hewlett-Packard Company Ultrasonic transducer having two or more resonance frequencies
US5438023A (en) * 1994-03-11 1995-08-01 Ramtron International Corporation Passivation method and structure for a ferroelectric integrated circuit using hard ceramic materials or the like
FR2722358B1 (en) * 1994-07-08 1996-08-14 Thomson Csf BROADBAND MULTI-FREQUENCY ACOUSTIC TRANSDUCER
US5825117A (en) * 1996-03-26 1998-10-20 Hewlett-Packard Company Second harmonic imaging transducers
EP1077092A3 (en) * 1999-08-16 2004-03-17 Murata Manufacturing Co., Ltd. Piezoelectric element

Also Published As

Publication number Publication date
EP1539381A1 (en) 2005-06-15
WO2004007098A1 (en) 2004-01-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase