WO2001008237A1 - Ultrasonic transducer having impedance matching layer - Google Patents

Ultrasonic transducer having impedance matching layer Download PDF

Info

Publication number
WO2001008237A1
WO2001008237A1 PCT/US2000/040414 US0040414W WO0108237A1 WO 2001008237 A1 WO2001008237 A1 WO 2001008237A1 US 0040414 W US0040414 W US 0040414W WO 0108237 A1 WO0108237 A1 WO 0108237A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
acoustic impedance
transducer
matching layer
impedance
Prior art date
Application number
PCT/US2000/040414
Other languages
English (en)
French (fr)
Inventor
Minoru Toda
Original Assignee
Measurement Specialties, 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 Measurement Specialties, Inc. filed Critical Measurement Specialties, Inc.
Priority to AU69560/00A priority Critical patent/AU6956000A/en
Publication of WO2001008237A1 publication Critical patent/WO2001008237A1/en

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
    • 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
    • B06B1/067—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 which is used as, or combined with, an impedance matching layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49005—Acoustic transducer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/4908—Acoustic transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
PCT/US2000/040414 1999-07-23 2000-07-18 Ultrasonic transducer having impedance matching layer WO2001008237A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU69560/00A AU6956000A (en) 1999-07-23 2000-07-18 Ultrasonic transducer having impedance matching layer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/360,305 1999-07-23
US09/360,305 US6307302B1 (en) 1999-07-23 1999-07-23 Ultrasonic transducer having impedance matching layer

Publications (1)

Publication Number Publication Date
WO2001008237A1 true WO2001008237A1 (en) 2001-02-01

Family

ID=23417445

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/040414 WO2001008237A1 (en) 1999-07-23 2000-07-18 Ultrasonic transducer having impedance matching layer

Country Status (3)

Country Link
US (2) US6307302B1 (US20020027400A1-20020307-M00001.png)
AU (1) AU6956000A (US20020027400A1-20020307-M00001.png)
WO (1) WO2001008237A1 (US20020027400A1-20020307-M00001.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006014140A1 (en) * 2004-08-03 2006-02-09 Agency For Science Technology And Research Method and device for the treatment of biological samples
EP1911530A1 (de) * 2006-10-09 2008-04-16 Baumer Electric AG Ultraschallwandler mit akustischer Impedanzanpassung

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* Cited by examiner, † Cited by third party
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US20030036746A1 (en) 2001-08-16 2003-02-20 Avi Penner Devices for intrabody delivery of molecules and systems and methods utilizing same
US6835178B1 (en) * 1999-06-23 2004-12-28 Hologic, Inc. Ultrasonic bone testing with copolymer transducers
US6707230B2 (en) * 2001-05-29 2004-03-16 University Of North Carolina At Charlotte Closed loop control systems employing relaxor ferroelectric actuators
KR20040086503A (ko) * 2002-01-28 2004-10-11 마츠시타 덴끼 산교 가부시키가이샤 음향 정합층, 초음파 송수파기 및 초음파 유량계
JP4222467B2 (ja) * 2002-04-18 2009-02-12 テイカ株式会社 コンポジット圧電体およびその製造方法
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
US6888291B2 (en) * 2002-10-31 2005-05-03 The Boeing Company Electrical system for electrostrictive bimorph actuator
JP4004396B2 (ja) * 2002-12-19 2007-11-07 オリンパス株式会社 超音波振動子
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US8444562B2 (en) 2004-10-06 2013-05-21 Guided Therapy Systems, Llc System and method for treating muscle, tendon, ligament and cartilage tissue
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US8133180B2 (en) 2004-10-06 2012-03-13 Guided Therapy Systems, L.L.C. Method and system for treating cellulite
US11883688B2 (en) 2004-10-06 2024-01-30 Guided Therapy Systems, Llc Energy based fat reduction
US11235179B2 (en) 2004-10-06 2022-02-01 Guided Therapy Systems, Llc Energy based skin gland treatment
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US8690778B2 (en) 2004-10-06 2014-04-08 Guided Therapy Systems, Llc Energy-based tissue tightening
US11724133B2 (en) 2004-10-07 2023-08-15 Guided Therapy Systems, Llc Ultrasound probe for treatment of skin
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US8038631B1 (en) 2005-06-01 2011-10-18 Sanghvi Narendra T Laparoscopic HIFU probe
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US8264126B2 (en) 2009-09-01 2012-09-11 Measurement Specialties, Inc. Multilayer acoustic impedance converter for ultrasonic transducers
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US8564177B2 (en) 2011-09-09 2013-10-22 Dvx, Llc Piezopolymer transducer with matching layer
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JP2015508960A (ja) 2012-01-30 2015-03-23 ピエゾテック・エルエルシー パルスエコー音響変換装置
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006014140A1 (en) * 2004-08-03 2006-02-09 Agency For Science Technology And Research Method and device for the treatment of biological samples
US7611840B2 (en) 2004-08-03 2009-11-03 Agency For Science, Technology And Research Method and device for the treatment of biological samples
AU2005267934B2 (en) * 2004-08-03 2010-09-02 Agency For Science, Technology And Research Method and device for the treatment of biological samples
EP1911530A1 (de) * 2006-10-09 2008-04-16 Baumer Electric AG Ultraschallwandler mit akustischer Impedanzanpassung

Also Published As

Publication number Publication date
US20020027400A1 (en) 2002-03-07
US6772490B2 (en) 2004-08-10
AU6956000A (en) 2001-02-13
US6307302B1 (en) 2001-10-23

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