DE602004006232T2 - Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung - Google Patents

Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung Download PDF

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Publication number
DE602004006232T2
DE602004006232T2 DE602004006232T DE602004006232T DE602004006232T2 DE 602004006232 T2 DE602004006232 T2 DE 602004006232T2 DE 602004006232 T DE602004006232 T DE 602004006232T DE 602004006232 T DE602004006232 T DE 602004006232T DE 602004006232 T2 DE602004006232 T2 DE 602004006232T2
Authority
DE
Germany
Prior art keywords
bias
transducer
transducer element
electrodes
pair
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.)
Expired - Lifetime
Application number
DE602004006232T
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German (de)
English (en)
Other versions
DE602004006232D1 (de
Inventor
Christopher M. Pleasanton DAFT
Paul A. Berkeley WAGNER
Igal San Carlos LADABAUM
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
Siemens Medical Solutions USA Inc
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 Medical Solutions USA Inc filed Critical Siemens Medical Solutions USA Inc
Publication of DE602004006232D1 publication Critical patent/DE602004006232D1/de
Application granted granted Critical
Publication of DE602004006232T2 publication Critical patent/DE602004006232T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
    • G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
    • 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
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • 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
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52046—Techniques for image enhancement involving transmitter or receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE602004006232T 2003-02-14 2004-01-29 Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung Expired - Lifetime DE602004006232T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/367,106 US7087023B2 (en) 2003-02-14 2003-02-14 Microfabricated ultrasonic transducers with bias polarity beam profile control and method of operating the same
US367106 2003-02-14
PCT/US2004/002740 WO2004075165A1 (en) 2003-02-14 2004-01-29 Microfabricated ultrasonic transducers with bias polarity beam profile control

Publications (2)

Publication Number Publication Date
DE602004006232D1 DE602004006232D1 (de) 2007-06-14
DE602004006232T2 true DE602004006232T2 (de) 2008-02-07

Family

ID=32849901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004006232T Expired - Lifetime DE602004006232T2 (de) 2003-02-14 2004-01-29 Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung

Country Status (6)

Country Link
US (1) US7087023B2 (https=)
EP (1) EP1593115B1 (https=)
JP (1) JP4422718B2 (https=)
CN (1) CN1833273B (https=)
DE (1) DE602004006232T2 (https=)
WO (1) WO2004075165A1 (https=)

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Also Published As

Publication number Publication date
EP1593115A1 (en) 2005-11-09
EP1593115B1 (en) 2007-05-02
JP2006519556A (ja) 2006-08-24
CN1833273B (zh) 2010-12-22
WO2004075165A1 (en) 2004-09-02
US20040160144A1 (en) 2004-08-19
WO2004075165B1 (en) 2006-04-27
US7087023B2 (en) 2006-08-08
DE602004006232D1 (de) 2007-06-14
CN1833273A (zh) 2006-09-13
JP4422718B2 (ja) 2010-02-24

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