DE68922040D1 - Zusammengesetzter piezoelektrischer Wandler zur Anwendung in einer Ultraschallsonde. - Google Patents

Zusammengesetzter piezoelektrischer Wandler zur Anwendung in einer Ultraschallsonde.

Info

Publication number
DE68922040D1
DE68922040D1 DE68922040T DE68922040T DE68922040D1 DE 68922040 D1 DE68922040 D1 DE 68922040D1 DE 68922040 T DE68922040 T DE 68922040T DE 68922040 T DE68922040 T DE 68922040T DE 68922040 D1 DE68922040 D1 DE 68922040D1
Authority
DE
Germany
Prior art keywords
ultrasound probe
piezoelectric transducer
composite piezoelectric
composite
transducer
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
DE68922040T
Other languages
English (en)
Other versions
DE68922040T2 (de
Inventor
Koetsu Saito
Masami Kawabuchi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68922040D1 publication Critical patent/DE68922040D1/de
Publication of DE68922040T2 publication Critical patent/DE68922040T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2437—Piezoelectric probes
    • G01N29/245—Ceramic probes, e.g. lead zirconate titanate [PZT] probes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
DE68922040T 1988-08-23 1989-08-16 Zusammengesetzter piezoelektrischer Wandler zur Anwendung in einer Ultraschallsonde. Expired - Lifetime DE68922040T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63208721A JP2794720B2 (ja) 1988-08-23 1988-08-23 複合圧電振動子

Publications (2)

Publication Number Publication Date
DE68922040D1 true DE68922040D1 (de) 1995-05-11
DE68922040T2 DE68922040T2 (de) 1995-08-03

Family

ID=16560984

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922040T Expired - Lifetime DE68922040T2 (de) 1988-08-23 1989-08-16 Zusammengesetzter piezoelektrischer Wandler zur Anwendung in einer Ultraschallsonde.

Country Status (4)

Country Link
US (1) US5142187A (de)
EP (1) EP0355694B1 (de)
JP (1) JP2794720B2 (de)
DE (1) DE68922040T2 (de)

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US5371717A (en) * 1993-06-15 1994-12-06 Hewlett-Packard Company Microgrooves for apodization and focussing of wideband clinical ultrasonic transducers
US5434827A (en) * 1993-06-15 1995-07-18 Hewlett-Packard Company Matching layer for front acoustic impedance matching of clinical ultrasonic tranducers
US5376859A (en) * 1994-02-07 1994-12-27 The United States Of America As Represented By The Secretary Of The Navy Transducers with improved signal transfer
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US5691960A (en) * 1995-08-02 1997-11-25 Materials Systems, Inc. Conformal composite acoustic transducer panel and method of fabrication thereof
US5698928A (en) * 1995-08-17 1997-12-16 Motorola, Inc. Thin film piezoelectric arrays with enhanced coupling and fabrication methods
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US6191523B1 (en) * 1997-07-30 2001-02-20 The United States Of America As Represented By The Secretary Of The Navy Tranducing composite of sintered piezoelectric ceramic granules in a polymer matrix
JP3964508B2 (ja) * 1997-09-19 2007-08-22 株式会社日立メディコ 超音波探触子及び超音波診断装置
US6277299B1 (en) * 1998-11-25 2001-08-21 General Electric Company High-sensitivity piezocomposite material and ultrasonic transducer made therefrom
US6390985B1 (en) 1999-07-21 2002-05-21 Scimed Life Systems, Inc. Impedance matching transducers
US6441538B1 (en) * 2000-05-19 2002-08-27 Acuson Corporation Ultrasound stacked transducer and method for stacking
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JP3856380B2 (ja) 2002-04-26 2006-12-13 テイカ株式会社 コンポジット圧電振動子およびその製造方法
US7382082B2 (en) * 2002-08-14 2008-06-03 Bhardwaj Mahesh C Piezoelectric transducer with gas matrix
US6964201B2 (en) * 2003-02-25 2005-11-15 Palo Alto Research Center Incorporated Large dimension, flexible piezoelectric ceramic tapes
JP4503347B2 (ja) * 2004-04-28 2010-07-14 日本電波工業株式会社 超音波探触子の製造方法
US20060100522A1 (en) * 2004-11-08 2006-05-11 Scimed Life Systems, Inc. Piezocomposite transducers
WO2006088708A2 (en) * 2005-02-15 2006-08-24 The Ultran Group, Inc. Multi-layer gas matrix piezoelectric composite transducer
WO2007145073A1 (ja) * 2006-06-13 2007-12-21 Konica Minolta Medical & Graphic, Inc. アレイ型超音波探触子及びその製造方法、並びにアレイ型超音波探触子の駆動方法
JP4544285B2 (ja) * 2007-09-28 2010-09-15 株式会社デンソー 超音波センサ
CN102169954B (zh) * 2010-12-22 2013-10-09 中国船舶重工集团公司第七一五研究所 一种高频多路接收基阵的制备方法
WO2012172136A1 (es) * 2011-06-14 2012-12-20 Universidad De Granada Transductor de ondas de torsión
JP5990930B2 (ja) * 2012-02-24 2016-09-14 セイコーエプソン株式会社 超音波トランスデューサー素子チップおよびプローブ並びに電子機器および超音波診断装置
WO2016077560A1 (en) * 2014-11-12 2016-05-19 The Trustees Of Dartmouth College Porous piezoelectric material with dense surface, and associated methods and devices
CN104323801B (zh) * 2014-11-20 2017-01-04 王小荣 一种b超探头
CN104538547B (zh) * 2014-12-30 2017-06-30 西安工业大学 压电陶瓷传感器振子
WO2017040979A1 (en) * 2015-09-03 2017-03-09 Fujifilm Sonosite, Inc. Ultrasound transducer assembly
JP7093154B2 (ja) * 2016-11-01 2022-06-29 株式会社トーキン 超音波トランスデューサ
CN107170882B (zh) * 2017-05-09 2019-12-20 北京信息科技大学 基于改进聚合物相的1-3型压电复合材料及其制备方法
EP3830565A4 (de) * 2018-07-31 2022-04-20 Resonant Acoustics International Inc. Ultraschallwandler
JP7288239B2 (ja) * 2019-03-01 2023-06-07 日本電気株式会社 積層型振動子
JP2020155900A (ja) * 2019-03-19 2020-09-24 本多電子株式会社 ソナー、超音波振動子及びその製造方法
CN111558514B (zh) * 2020-05-20 2021-07-09 上海爱声生物医疗科技有限公司 一种超声换能器

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JPS60128796A (ja) * 1983-12-16 1985-07-09 Toshiba Corp 超音波プロ−ブ
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DE3430186A1 (de) * 1984-08-16 1986-02-27 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung eines poroesen piezoelektrischen materials und nach diesem verfahren hergestelltes material
DE3430161A1 (de) * 1984-08-16 1986-02-27 Siemens AG, 1000 Berlin und 8000 München Poroese anpassungsschicht in einem ultraschallapplikator
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Also Published As

Publication number Publication date
JP2794720B2 (ja) 1998-09-10
JPH0257099A (ja) 1990-02-26
DE68922040T2 (de) 1995-08-03
EP0355694A3 (de) 1991-10-23
US5142187A (en) 1992-08-25
EP0355694A2 (de) 1990-02-28
EP0355694B1 (de) 1995-04-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP