DE69422867T2 - Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner Produktion - Google Patents
Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner ProduktionInfo
- Publication number
- DE69422867T2 DE69422867T2 DE69422867T DE69422867T DE69422867T2 DE 69422867 T2 DE69422867 T2 DE 69422867T2 DE 69422867 T DE69422867 T DE 69422867T DE 69422867 T DE69422867 T DE 69422867T DE 69422867 T2 DE69422867 T2 DE 69422867T2
- Authority
- DE
- Germany
- Prior art keywords
- transducer
- thickness
- transducer according
- matching layer
- elements
- 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
Links
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
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Classifications
-
- 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
-
- 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
-
- 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
- G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
- H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/117,869 US5438998A (en) | 1993-09-07 | 1993-09-07 | Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof |
US08/117,868 US5415175A (en) | 1993-09-07 | 1993-09-07 | Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69422867D1 DE69422867D1 (de) | 2000-03-09 |
DE69422867T2 true DE69422867T2 (de) | 2000-12-07 |
Family
ID=26815733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69422867T Expired - Lifetime DE69422867T2 (de) | 1993-09-07 | 1994-09-05 | Entwurf eines Breitbandigen phasengesteuerten Gruppenwandlers mit frequenzkontrollierter zwei-dimensionale Fähigkeit und Verfahren zu seiner Produktion |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0641606B1 (fr) |
JP (1) | JP3478874B2 (fr) |
AT (1) | ATE189415T1 (fr) |
AU (1) | AU688334B2 (fr) |
CA (1) | CA2129946C (fr) |
DE (1) | DE69422867T2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022008264A1 (fr) * | 2020-07-08 | 2022-01-13 | Atlas Elektronik Gmbh | Transducteur sonore en milieu aqueux présentant une caractéristique de rayonnement dirigé |
Families Citing this family (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9610511D0 (en) * | 1996-05-20 | 1996-07-31 | Cantwell Evelyna D | Scanning ultrasound probe |
JP2003092796A (ja) * | 2001-09-18 | 2003-03-28 | Ueda Japan Radio Co Ltd | 湾曲面を有する超音波振動子 |
US6984922B1 (en) | 2002-07-22 | 2006-01-10 | Matsushita Electric Industrial Co., Ltd. | Composite piezoelectric transducer and method of fabricating the same |
CN101422376B (zh) * | 2003-01-23 | 2012-05-23 | 株式会社日立医药 | 超声波探头与超声波诊断设备 |
JP2006524531A (ja) * | 2003-04-15 | 2006-11-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 超音波撮像のための高調波発生可能な二次元(2d)アレイ |
JP2004340809A (ja) * | 2003-05-16 | 2004-12-02 | Mitsubishi Heavy Ind Ltd | フェーズドアレイプローブ及びそれを用いた超音波探傷装置 |
JP4413568B2 (ja) * | 2003-09-19 | 2010-02-10 | パナソニック株式会社 | 超音波探触子 |
JP4424958B2 (ja) * | 2003-10-02 | 2010-03-03 | パナソニック株式会社 | 超音波探触子 |
JP5275565B2 (ja) | 2004-06-07 | 2013-08-28 | オリンパス株式会社 | 静電容量型超音波トランスデューサ |
EP2014236A4 (fr) * | 2006-04-28 | 2016-05-11 | Konica Minolta Inc | Sonde ultrasonique |
JP5157127B2 (ja) * | 2006-10-31 | 2013-03-06 | セイコーエプソン株式会社 | アクチュエータ装置及びその製造方法、並びに液体噴射ヘッド及び液体噴射装置 |
GB0723622D0 (en) * | 2007-12-04 | 2008-01-09 | Univ Exeter The | Devices, systems and methods of detecting defects in workpieces |
US8691145B2 (en) | 2009-11-16 | 2014-04-08 | Flodesign Sonics, Inc. | Ultrasound and acoustophoresis for water purification |
US10689609B2 (en) | 2012-03-15 | 2020-06-23 | Flodesign Sonics, Inc. | Acoustic bioreactor processes |
US10370635B2 (en) | 2012-03-15 | 2019-08-06 | Flodesign Sonics, Inc. | Acoustic separation of T cells |
US9745548B2 (en) | 2012-03-15 | 2017-08-29 | Flodesign Sonics, Inc. | Acoustic perfusion devices |
US10953436B2 (en) | 2012-03-15 | 2021-03-23 | Flodesign Sonics, Inc. | Acoustophoretic device with piezoelectric transducer array |
US10967298B2 (en) | 2012-03-15 | 2021-04-06 | Flodesign Sonics, Inc. | Driver and control for variable impedence load |
US9567559B2 (en) | 2012-03-15 | 2017-02-14 | Flodesign Sonics, Inc. | Bioreactor using acoustic standing waves |
US10704021B2 (en) | 2012-03-15 | 2020-07-07 | Flodesign Sonics, Inc. | Acoustic perfusion devices |
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 |
US9950282B2 (en) | 2012-03-15 | 2018-04-24 | Flodesign Sonics, Inc. | Electronic configuration and control for acoustic standing wave generation |
US9752113B2 (en) | 2012-03-15 | 2017-09-05 | Flodesign Sonics, Inc. | Acoustic perfusion devices |
US9458450B2 (en) | 2012-03-15 | 2016-10-04 | Flodesign Sonics, Inc. | Acoustophoretic separation technology using multi-dimensional standing waves |
US10322949B2 (en) | 2012-03-15 | 2019-06-18 | Flodesign Sonics, Inc. | Transducer and reflector configurations for an acoustophoretic device |
US9783775B2 (en) | 2012-03-15 | 2017-10-10 | Flodesign Sonics, Inc. | Bioreactor using acoustic standing waves |
US9272234B2 (en) | 2012-03-15 | 2016-03-01 | Flodesign Sonics, Inc. | Separation of multi-component fluid through ultrasonic acoustophoresis |
US10737953B2 (en) | 2012-04-20 | 2020-08-11 | Flodesign Sonics, Inc. | Acoustophoretic method for use in bioreactors |
JP2014198197A (ja) * | 2013-03-29 | 2014-10-23 | セイコーエプソン株式会社 | 音響整合体並びに超音波プローブおよび超音波画像装置 |
CN103278570A (zh) * | 2013-06-13 | 2013-09-04 | 江苏大学 | 一种用于金属材料检测的超声相控线阵换能器及制作方法 |
US9745569B2 (en) | 2013-09-13 | 2017-08-29 | Flodesign Sonics, Inc. | System for generating high concentration factors for low cell density suspensions |
US9725710B2 (en) | 2014-01-08 | 2017-08-08 | Flodesign Sonics, Inc. | Acoustophoresis device with dual acoustophoretic chamber |
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 |
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 |
CN108025333B (zh) * | 2015-07-09 | 2020-10-02 | 弗洛设计声能学公司 | 非平面和非对称压电晶体及反射器 |
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 |
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 |
CN114891635A (zh) | 2016-05-03 | 2022-08-12 | 弗洛设计声能学公司 | 利用声泳的治疗细胞洗涤、浓缩和分离 |
WO2018075830A1 (fr) | 2016-10-19 | 2018-04-26 | Flodesign Sonics, Inc. | Extraction par affinité de cellules par un procédé acoustique |
WO2019118921A1 (fr) | 2017-12-14 | 2019-06-20 | Flodesign Sonics, Inc. | Circuit d'excitation et circuit de commande de transducteur acoustique |
US11678865B2 (en) * | 2017-12-29 | 2023-06-20 | Fujifilm Sonosite, Inc. | High frequency ultrasound transducer |
JP6728260B2 (ja) | 2018-03-22 | 2020-07-22 | 株式会社東芝 | 積層型超音波トランスデューサ及び超音波検査装置 |
US11541423B2 (en) | 2018-06-04 | 2023-01-03 | Fujifilm Sonosite, Inc. | Ultrasound transducer with curved transducer stack |
JP7145799B2 (ja) | 2019-03-19 | 2022-10-03 | 株式会社東芝 | 超音波検査装置 |
CN111112037A (zh) * | 2020-01-20 | 2020-05-08 | 重庆医科大学 | 透镜式多频聚焦超声换能器、换能系统及其声焦域轴向长度的确定方法 |
DE102021123704A1 (de) | 2021-09-14 | 2023-03-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Ultraschallwandler, verfahren zur herstellung eines ultraschallwandlers und vorrichtung für eine medizinische therapie mit hochintensivem fokussiertem ultraschall |
US20230145064A1 (en) * | 2021-11-05 | 2023-05-11 | Kobi Vortman | Variable-bandwidth transducers with asymmetric features |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3666979A (en) * | 1970-06-17 | 1972-05-30 | Automation Ind Inc | Focused piezoelectric transducer and method of making |
US3833825A (en) * | 1973-04-11 | 1974-09-03 | Honeywell Inc | Wide-band electroacoustic transducer |
US4016751A (en) * | 1973-09-13 | 1977-04-12 | The Commonwealth Of Australia Care Of The Department Of Health | Ultrasonic beam forming technique |
US4350917A (en) * | 1980-06-09 | 1982-09-21 | Riverside Research Institute | Frequency-controlled scanning of ultrasonic beams |
JPS5711648A (en) * | 1980-06-27 | 1982-01-21 | Matsushita Electric Ind Co Ltd | Ultrasonic probe |
US4398539A (en) * | 1980-06-30 | 1983-08-16 | Second Foundation | Extended focus transducer system |
US4485321A (en) * | 1982-01-29 | 1984-11-27 | The United States Of America As Represented By The Secretary Of The Navy | Broad bandwidth composite transducers |
US4534221A (en) * | 1982-09-27 | 1985-08-13 | Technicare Corporation | Ultrasonic diagnostic imaging systems for varying depths of field |
EP0145429B1 (fr) * | 1983-12-08 | 1992-02-26 | Kabushiki Kaisha Toshiba | Ensemble linéaire courbé de transducteurs ultrasonores |
DK212586A (da) * | 1986-05-07 | 1987-11-08 | Brueel & Kjaer As | Fremgangsmaade til fremstilling af en ultralydtransducer |
FR2612722B1 (fr) * | 1987-03-19 | 1989-05-26 | Thomson Csf | Transducteur acoustique multifrequences, notamment pour imagerie medicale |
US4866683A (en) * | 1988-05-24 | 1989-09-12 | Honeywell, Inc. | Integrated acoustic receiver or projector |
JP2502685B2 (ja) * | 1988-06-15 | 1996-05-29 | 松下電器産業株式会社 | 超音波探触子の製造方法 |
US4963782A (en) * | 1988-10-03 | 1990-10-16 | Ausonics Pty. Ltd. | Multifrequency composite ultrasonic transducer system |
US5025790A (en) * | 1989-05-16 | 1991-06-25 | Hewlett-Packard Company | Graded frequency sensors |
US5291090A (en) * | 1992-12-17 | 1994-03-01 | Hewlett-Packard Company | Curvilinear interleaved longitudinal-mode ultrasound transducers |
-
1994
- 1994-08-10 AU AU70209/94A patent/AU688334B2/en not_active Expired
- 1994-08-11 CA CA002129946A patent/CA2129946C/fr not_active Expired - Lifetime
- 1994-08-24 JP JP19920094A patent/JP3478874B2/ja not_active Expired - Lifetime
- 1994-09-05 DE DE69422867T patent/DE69422867T2/de not_active Expired - Lifetime
- 1994-09-05 EP EP94306515A patent/EP0641606B1/fr not_active Expired - Lifetime
- 1994-09-05 AT AT94306515T patent/ATE189415T1/de not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022008264A1 (fr) * | 2020-07-08 | 2022-01-13 | Atlas Elektronik Gmbh | Transducteur sonore en milieu aqueux présentant une caractéristique de rayonnement dirigé |
Also Published As
Publication number | Publication date |
---|---|
EP0641606A2 (fr) | 1995-03-08 |
CA2129946C (fr) | 1998-09-29 |
AU688334B2 (en) | 1998-03-12 |
ATE189415T1 (de) | 2000-02-15 |
EP0641606A3 (fr) | 1996-06-12 |
JP3478874B2 (ja) | 2003-12-15 |
CA2129946A1 (fr) | 1995-03-08 |
AU7020994A (en) | 1995-03-23 |
JPH07107595A (ja) | 1995-04-21 |
DE69422867D1 (de) | 2000-03-09 |
EP0641606B1 (fr) | 2000-02-02 |
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