JP2009213137A - 超音波トランスジューサの感度を高めるための装置及び方法 - Google Patents

超音波トランスジューサの感度を高めるための装置及び方法 Download PDF

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Publication number
JP2009213137A
JP2009213137A JP2009040509A JP2009040509A JP2009213137A JP 2009213137 A JP2009213137 A JP 2009213137A JP 2009040509 A JP2009040509 A JP 2009040509A JP 2009040509 A JP2009040509 A JP 2009040509A JP 2009213137 A JP2009213137 A JP 2009213137A
Authority
JP
Japan
Prior art keywords
layer
piezoelectric material
acoustic
impedance matching
thickness
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.)
Pending
Application number
JP2009040509A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009213137A5 (https=
Inventor
Jian Zhong Zhao
チアン・ツォン・ツォウ
Alan Chi-Chung Tai
アラン・チ−チャン・タイ
Dwayne Quatier
ドウェイン・クォーティアー
Kevin Mahoney
ケビン・マホニー
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of JP2009213137A publication Critical patent/JP2009213137A/ja
Publication of JP2009213137A5 publication Critical patent/JP2009213137A5/ja
Pending 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/13—Tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/42—Details of probe positioning or probe attachment to the patient
    • A61B8/4272—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue
    • A61B8/4281—Details of probe positioning or probe attachment to the patient involving the acoustic interface between the transducer and the tissue characterised by sound-transmitting media or devices for coupling the transducer to the tissue
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Acoustics & Sound (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP2009040509A 2008-02-29 2009-02-24 超音波トランスジューサの感度を高めるための装置及び方法 Pending JP2009213137A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/040,287 US8129886B2 (en) 2008-02-29 2008-02-29 Apparatus and method for increasing sensitivity of ultrasound transducers

Publications (2)

Publication Number Publication Date
JP2009213137A true JP2009213137A (ja) 2009-09-17
JP2009213137A5 JP2009213137A5 (https=) 2012-03-29

Family

ID=40951489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009040509A Pending JP2009213137A (ja) 2008-02-29 2009-02-24 超音波トランスジューサの感度を高めるための装置及び方法

Country Status (3)

Country Link
US (1) US8129886B2 (https=)
JP (1) JP2009213137A (https=)
FR (1) FR2928224A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9219220B2 (en) 2012-01-02 2015-12-22 Samsung Electronics Co., Ltd. Ultrasonic transducer, ultrasonic probe, and ultrasound image diagnosis apparatus

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7905007B2 (en) * 2009-03-18 2011-03-15 General Electric Company Method for forming a matching layer structure of an acoustic stack
JP5381905B2 (ja) * 2009-06-16 2014-01-08 信越化学工業株式会社 化学増幅ポジ型フォトレジスト材料及びレジストパターン形成方法
KR101173277B1 (ko) * 2010-03-15 2012-08-13 주식회사 휴먼스캔 후면 음향 정합층을 이용한 초음파 프로브
WO2012112137A1 (en) * 2011-02-15 2012-08-23 Halliburton Energy Services Inc. Acoustic transducer with impedance matching layer
US9050628B2 (en) 2012-01-30 2015-06-09 Piezotech Llc Pulse-echo acoustic transducer
US9452447B2 (en) * 2013-12-27 2016-09-27 General Electric Company Ultrasound transducer and ultrasound imaging system with a variable thickness dematching layer
CN109984771B (zh) * 2019-05-06 2021-12-31 上海爱声生物医疗科技有限公司 一种超声换能器探头及超声成像仪
US12036065B2 (en) * 2021-02-04 2024-07-16 Orbicor Technologies Sociedad Anonima Modular wireless system for multi-point synchronous measurement of cardiac and vascular indicators, their function and the differences over time

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015886A1 (en) * 1979-03-13 1980-09-17 Toray Industries, Inc. An improved electro-acoustic transducer element
JPS5817358A (ja) * 1981-07-23 1983-02-01 Toshiba Corp 超音波探触子
JPS6084099A (ja) * 1983-08-31 1985-05-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 超音波トランスジユ−サ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311095A (en) * 1992-05-14 1994-05-10 Duke University Ultrasonic transducer array
US5608692A (en) * 1994-02-08 1997-03-04 The Whitaker Corporation Multi-layer polymer electroacoustic transducer assembly
US6049159A (en) * 1997-10-06 2000-04-11 Albatros Technologies, Inc. Wideband acoustic transducer
US6045506A (en) * 1998-08-31 2000-04-04 Acuson Corporation Ultrasonic imaging method and apparatus for adjusting transmitted power levels
US6685647B2 (en) 2001-06-28 2004-02-03 Koninklijke Philips Electronics N.V. Acoustic imaging systems adaptable for use with low drive voltages
US7621028B2 (en) * 2007-09-13 2009-11-24 General Electric Company Method for optimized dematching layer assembly in an ultrasound transducer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015886A1 (en) * 1979-03-13 1980-09-17 Toray Industries, Inc. An improved electro-acoustic transducer element
JPS5817358A (ja) * 1981-07-23 1983-02-01 Toshiba Corp 超音波探触子
JPS6084099A (ja) * 1983-08-31 1985-05-13 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン 超音波トランスジユ−サ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9219220B2 (en) 2012-01-02 2015-12-22 Samsung Electronics Co., Ltd. Ultrasonic transducer, ultrasonic probe, and ultrasound image diagnosis apparatus

Also Published As

Publication number Publication date
US8129886B2 (en) 2012-03-06
FR2928224A1 (fr) 2009-09-04
US20090219108A1 (en) 2009-09-03

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