DE3683785D1 - Rueckseitenmaterial fuer einen ultraschallwandler. - Google Patents

Rueckseitenmaterial fuer einen ultraschallwandler.

Info

Publication number
DE3683785D1
DE3683785D1 DE8686104410T DE3683785T DE3683785D1 DE 3683785 D1 DE3683785 D1 DE 3683785D1 DE 8686104410 T DE8686104410 T DE 8686104410T DE 3683785 T DE3683785 T DE 3683785T DE 3683785 D1 DE3683785 D1 DE 3683785D1
Authority
DE
Germany
Prior art keywords
rear side
ultrasonic transducer
side material
transducer
ultrasonic
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 - Fee Related
Application number
DE8686104410T
Other languages
English (en)
Inventor
Wang Juzhen
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.)
Shanghai Lamp Factory
Original Assignee
Shanghai Lamp Factory
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 Shanghai Lamp Factory filed Critical Shanghai Lamp Factory
Application granted granted Critical
Publication of DE3683785D1 publication Critical patent/DE3683785D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
DE8686104410T 1985-04-01 1986-04-01 Rueckseitenmaterial fuer einen ultraschallwandler. Expired - Fee Related DE3683785D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN85100483A CN85100483B (zh) 1985-04-01 1985-04-01 超声波换能器用背载材料

Publications (1)

Publication Number Publication Date
DE3683785D1 true DE3683785D1 (de) 1992-03-19

Family

ID=4791196

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686104410T Expired - Fee Related DE3683785D1 (de) 1985-04-01 1986-04-01 Rueckseitenmaterial fuer einen ultraschallwandler.

Country Status (5)

Country Link
US (1) US4800316A (de)
EP (1) EP0196652B1 (de)
JP (1) JPS61292500A (de)
CN (1) CN85100483B (de)
DE (1) DE3683785D1 (de)

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274296A (en) * 1988-01-13 1993-12-28 Kabushiki Kaisha Toshiba Ultrasonic probe device
GB2232487B (en) * 1989-06-09 1993-08-04 Shimizu Construction Co Ltd Ultrasonic measuring apparatus including a high-damping probe
US5486734A (en) 1994-02-18 1996-01-23 Seyed-Bolorforosh; Mir S. Acoustic transducer using phase shift interference
US6124664A (en) * 1998-05-01 2000-09-26 Scimed Life Systems, Inc. Transducer backing material
US6051913A (en) * 1998-10-28 2000-04-18 Hewlett-Packard Company Electroacoustic transducer and acoustic isolator for use therein
EP1299038B1 (de) * 2000-07-13 2013-01-09 ReCor Medical, Inc. Energieanwendung mit aufblasbarer, ringförmiger linse
CA2415134C (en) * 2000-07-13 2015-09-22 Transurgical, Inc. Thermal treatment methods and apparatus with focused energy application
US6763722B2 (en) * 2001-07-13 2004-07-20 Transurgical, Inc. Ultrasonic transducers
DK200101780A (da) * 2001-11-30 2002-11-27 Danfoss As Ultralydstransducer
US6952967B2 (en) * 2002-06-18 2005-10-11 General Electric Company Ultrasonic transducer
US20040082859A1 (en) 2002-07-01 2004-04-29 Alan Schaer Method and apparatus employing ultrasound energy to treat body sphincters
US7837676B2 (en) * 2003-02-20 2010-11-23 Recor Medical, Inc. Cardiac ablation devices
US6995500B2 (en) * 2003-07-03 2006-02-07 Pathfinder Energy Services, Inc. Composite backing layer for a downhole acoustic sensor
US7036363B2 (en) * 2003-07-03 2006-05-02 Pathfinder Energy Services, Inc. Acoustic sensor for downhole measurement tool
US7075215B2 (en) * 2003-07-03 2006-07-11 Pathfinder Energy Services, Inc. Matching layer assembly for a downhole acoustic sensor
US7513147B2 (en) * 2003-07-03 2009-04-07 Pathfinder Energy Services, Inc. Piezocomposite transducer for a downhole measurement tool
US8354773B2 (en) * 2003-08-22 2013-01-15 Siemens Medical Solutions Usa, Inc. Composite acoustic absorber for ultrasound transducer backing material
JP4181103B2 (ja) * 2004-09-30 2008-11-12 株式会社東芝 超音波プローブおよび超音波診断装置
US7989064B2 (en) * 2005-01-24 2011-08-02 Global Tungsten & Powders Corp. Ceramic-coated tungsten powder
US20060198773A1 (en) * 2005-01-24 2006-09-07 Osram Sylvania Inc. Method for Suppressing the Leachability of Certain Metals
US20060196585A1 (en) * 2005-01-24 2006-09-07 Osram Sylvania Inc. Additives for Suppressing Tungsten Leachability
CN100389890C (zh) * 2005-02-07 2008-05-28 北京大学 换能器和阵及其制备方法
EP2021846B1 (de) * 2006-05-19 2017-05-03 Koninklijke Philips N.V. Ablationsvorrichtung mit optimiertem eingangsleistungsprofil
US7587936B2 (en) * 2007-02-01 2009-09-15 Smith International Inc. Apparatus and method for determining drilling fluid acoustic properties
US7808157B2 (en) * 2007-03-30 2010-10-05 Gore Enterprise Holdings, Inc. Ultrasonic attenuation materials
CN101785047B (zh) * 2007-06-01 2013-03-06 艾克森塞股份公司 压电转换装置
US8022595B2 (en) * 2008-09-02 2011-09-20 Delaware Capital Formation, Inc. Asymmetric composite acoustic wave sensor
US8117907B2 (en) * 2008-12-19 2012-02-21 Pathfinder Energy Services, Inc. Caliper logging using circumferentially spaced and/or angled transducer elements
EP2376011B1 (de) * 2009-01-09 2019-07-03 ReCor Medical, Inc. Vorrichtung zur behandlung von mitralklappeninsuffizienz
US8073640B2 (en) * 2009-09-18 2011-12-06 Delaware Capital Formation Inc. Controlled compressional wave components of thickness shear mode multi-measurand sensors
US8691145B2 (en) 2009-11-16 2014-04-08 Flodesign Sonics, Inc. Ultrasound and acoustophoresis for water purification
US9421553B2 (en) 2010-08-23 2016-08-23 Flodesign Sonics, Inc. High-volume fast separation of multi-phase components in fluid suspensions
EP2603820B1 (de) 2011-02-15 2019-03-20 Halliburton Energy Services, Inc. Akustischer wandler mit impedanzanpassungsschicht
US9048521B2 (en) 2011-03-24 2015-06-02 Etegent Technologies, Ltd. Broadband waveguide
US9182306B2 (en) 2011-06-22 2015-11-10 Etegent Technologies, Ltd. Environmental sensor with tensioned wire exhibiting varying transmission characteristics in response to environmental conditions
US10704021B2 (en) 2012-03-15 2020-07-07 Flodesign Sonics, Inc. Acoustic perfusion devices
US10953436B2 (en) 2012-03-15 2021-03-23 Flodesign Sonics, Inc. Acoustophoretic device with piezoelectric transducer array
US10322949B2 (en) 2012-03-15 2019-06-18 Flodesign Sonics, Inc. Transducer and reflector configurations for an acoustophoretic device
US9567559B2 (en) 2012-03-15 2017-02-14 Flodesign Sonics, Inc. Bioreactor using acoustic standing waves
US9745548B2 (en) 2012-03-15 2017-08-29 Flodesign Sonics, Inc. Acoustic perfusion devices
US10967298B2 (en) 2012-03-15 2021-04-06 Flodesign Sonics, Inc. Driver and control for variable impedence load
US9272234B2 (en) 2012-03-15 2016-03-01 Flodesign Sonics, Inc. Separation of multi-component fluid through ultrasonic acoustophoresis
US9752113B2 (en) 2012-03-15 2017-09-05 Flodesign Sonics, Inc. Acoustic perfusion devices
US9950282B2 (en) 2012-03-15 2018-04-24 Flodesign Sonics, Inc. Electronic configuration and control for acoustic standing wave generation
US9752114B2 (en) 2012-03-15 2017-09-05 Flodesign Sonics, Inc Bioreactor using acoustic standing waves
US9796956B2 (en) 2013-11-06 2017-10-24 Flodesign Sonics, Inc. Multi-stage acoustophoresis device
US10689609B2 (en) 2012-03-15 2020-06-23 Flodesign Sonics, Inc. Acoustic bioreactor processes
US9783775B2 (en) 2012-03-15 2017-10-10 Flodesign Sonics, Inc. Bioreactor using acoustic standing waves
US11179747B2 (en) 2015-07-09 2021-11-23 Flodesign Sonics, Inc. Non-planar and non-symmetrical piezoelectric crystals and reflectors
US9688958B2 (en) 2012-03-15 2017-06-27 Flodesign Sonics, Inc. Acoustic bioreactor processes
US9458450B2 (en) 2012-03-15 2016-10-04 Flodesign Sonics, Inc. Acoustophoretic separation technology using multi-dimensional standing waves
US10370635B2 (en) 2012-03-15 2019-08-06 Flodesign Sonics, Inc. Acoustic separation of T cells
US10737953B2 (en) 2012-04-20 2020-08-11 Flodesign Sonics, Inc. Acoustophoretic method for use in bioreactors
RU2017113508A (ru) * 2012-04-20 2019-01-28 Флоудизайн Соникс Инк. Акустофоретическая сепарация липидных частиц от эритроцитов
US11324873B2 (en) 2012-04-20 2022-05-10 Flodesign Sonics, Inc. Acoustic blood separation processes and devices
US9745569B2 (en) 2013-09-13 2017-08-29 Flodesign Sonics, Inc. System for generating high concentration factors for low cell density suspensions
WO2015066494A2 (en) 2013-11-01 2015-05-07 Etegent Technologies Ltd. Broadband waveguide
WO2015099884A2 (en) 2013-11-01 2015-07-02 Etegent Technologies Ltd. Composite active waveguide temperature sensor for harsh environments
CN105939767B (zh) 2014-01-08 2018-04-06 弗洛设计声能学公司 具有双声电泳腔的声电泳装置
WO2015157488A1 (en) 2014-04-09 2015-10-15 Etegent Technologies Ltd. Active waveguide excitation and compensation
CN103964746B (zh) * 2014-05-06 2015-08-12 南京信息工程大学 一种磁性阻尼复合材料及其制备方法
US9744483B2 (en) 2014-07-02 2017-08-29 Flodesign Sonics, Inc. Large scale acoustic separation device
US10106770B2 (en) 2015-03-24 2018-10-23 Flodesign Sonics, Inc. Methods and apparatus for particle aggregation using acoustic standing waves
US11708572B2 (en) 2015-04-29 2023-07-25 Flodesign Sonics, Inc. Acoustic cell separation techniques and processes
US10640760B2 (en) 2016-05-03 2020-05-05 Flodesign Sonics, Inc. Therapeutic cell washing, concentration, and separation utilizing acoustophoresis
US11021699B2 (en) 2015-04-29 2021-06-01 FioDesign Sonics, Inc. Separation using angled acoustic waves
US11377651B2 (en) 2016-10-19 2022-07-05 Flodesign Sonics, Inc. Cell therapy processes utilizing acoustophoresis
US9670477B2 (en) 2015-04-29 2017-06-06 Flodesign Sonics, Inc. Acoustophoretic device for angled wave particle deflection
RU2708048C2 (ru) 2015-05-20 2019-12-03 Флодизайн Соникс, Инк. Способ акустического манипулирования частицами в полях стоячих волн
US10161926B2 (en) 2015-06-11 2018-12-25 Flodesign Sonics, Inc. Acoustic methods for separation of cells and pathogens
US9663756B1 (en) 2016-02-25 2017-05-30 Flodesign Sonics, Inc. Acoustic separation of cellular supporting materials from cultured cells
US11474085B2 (en) 2015-07-28 2022-10-18 Flodesign Sonics, Inc. Expanded bed affinity selection
US11459540B2 (en) 2015-07-28 2022-10-04 Flodesign Sonics, Inc. Expanded bed affinity selection
CN105178949A (zh) * 2015-09-11 2015-12-23 中国石油天然气集团公司 一种超声波探头
EP3341563B1 (de) 2015-10-02 2023-03-08 Halliburton Energy Services, Inc. Ultraschallwandler mit verbessertem stützungselement
US10710006B2 (en) 2016-04-25 2020-07-14 Flodesign Sonics, Inc. Piezoelectric transducer for generation of an acoustic standing wave
US11214789B2 (en) 2016-05-03 2022-01-04 Flodesign Sonics, Inc. Concentration and washing of particles with acoustics
US11085035B2 (en) 2016-05-03 2021-08-10 Flodesign Sonics, Inc. Therapeutic cell washing, concentration, and separation utilizing acoustophoresis
EP3463573A2 (de) * 2016-06-06 2019-04-10 Sofwave Medical Ltd. Ultraschallwandler und -system
EP3529347A1 (de) 2016-10-19 2019-08-28 Flodesign Sonics, Inc. Affinitätszellenextraktion durch akustik
WO2019018021A2 (en) 2017-04-10 2019-01-24 Etegent Technologies Ltd. MECHANICAL ACTIVE WAVEGUIDE SENSOR DISTRIBUTED EXCITED AT MULTIPLE FREQUENCIES AND COMPRISING FREQUENCY REFLECTING REFLECTORS
US11590535B2 (en) 2017-10-25 2023-02-28 Honeywell International Inc. Ultrasonic transducer
US10809233B2 (en) 2017-12-13 2020-10-20 General Electric Company Backing component in ultrasound probe
CA3085784A1 (en) 2017-12-14 2019-06-20 Flodesign Sonics, Inc. Acoustic transducer driver and controller
JP6991613B2 (ja) * 2019-11-28 2022-01-12 本多電子株式会社 超音波送受波器
CN116803216A (zh) 2020-12-31 2023-09-22 苏维夫医疗有限公司 安装在多个印刷电路板上的多个超声波激励器的冷却
WO2024089043A1 (en) 2022-10-28 2024-05-02 Rhovica Neuroimaging Ag A catheter for placement in a ventricular system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663842A (en) * 1970-09-14 1972-05-16 North American Rockwell Elastomeric graded acoustic impedance coupling device
CH582951A5 (de) * 1973-07-09 1976-12-15 Bbc Brown Boveri & Cie
US4076611A (en) * 1976-04-19 1978-02-28 Olin Corporation Electrode with lanthanum-containing perovskite surface
DE2736588C2 (de) * 1977-08-13 1979-06-07 Stettner & Co, 8560 Lauf Schalldämpfende Masse, Verfahren zur Herstellung schalldämpfender Formkörper und Verwendung derselben
US4382201A (en) * 1981-04-27 1983-05-03 General Electric Company Ultrasonic transducer and process to obtain high acoustic attenuation in the backing
LU83330A1 (fr) * 1981-04-29 1983-03-24 Euratom Transducteurs ultrasonores performants simplifies
JPS59143041A (ja) * 1983-02-04 1984-08-16 Nippon Tungsten Co Ltd タングステン電極材料
JPS60131875A (ja) * 1983-12-20 1985-07-13 三菱重工業株式会社 セラミツクと金属の接合法

Also Published As

Publication number Publication date
EP0196652B1 (de) 1992-02-05
CN85100483A (zh) 1986-08-13
CN85100483B (zh) 1988-10-19
JPH0457280B2 (de) 1992-09-11
EP0196652A3 (en) 1988-05-11
JPS61292500A (ja) 1986-12-23
EP0196652A2 (de) 1986-10-08
US4800316A (en) 1989-01-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee