FR2928224A1 - Dispositif pour accroitre la sensibilite de transducteurs ultrasonores - Google Patents
Dispositif pour accroitre la sensibilite de transducteurs ultrasonores Download PDFInfo
- Publication number
- FR2928224A1 FR2928224A1 FR0951033A FR0951033A FR2928224A1 FR 2928224 A1 FR2928224 A1 FR 2928224A1 FR 0951033 A FR0951033 A FR 0951033A FR 0951033 A FR0951033 A FR 0951033A FR 2928224 A1 FR2928224 A1 FR 2928224A1
- Authority
- FR
- France
- Prior art keywords
- layer
- acoustic
- piezoelectric material
- thickness
- impedance
- 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.)
- Withdrawn
Links
- 230000035945 sensitivity Effects 0.000 title description 12
- 239000000463 material Substances 0.000 claims abstract description 114
- 230000001419 dependent effect Effects 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims description 4
- 229910001092 metal group alloy Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 176
- 238000002604 ultrasonography Methods 0.000 description 32
- 230000006978 adaptation Effects 0.000 description 24
- 239000002356 single layer Substances 0.000 description 7
- 230000015654 memory Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012285 ultrasound imaging Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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)
- Multimedia (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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
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 (1)
| Publication Number | Publication Date |
|---|---|
| FR2928224A1 true FR2928224A1 (fr) | 2009-09-04 |
Family
ID=40951489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0951033A Withdrawn FR2928224A1 (fr) | 2008-02-29 | 2009-02-17 | Dispositif pour accroitre la sensibilite de transducteurs ultrasonores |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US8129886B2 (enExample) |
| JP (1) | JP2009213137A (enExample) |
| FR (1) | FR2928224A1 (enExample) |
Families Citing this family (9)
| 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 |
| KR101477544B1 (ko) | 2012-01-02 | 2014-12-31 | 삼성전자주식회사 | 초음파 트랜스듀서, 초음파 프로브, 및 초음파 진단장치 |
| CA2861923A1 (en) | 2012-01-30 | 2013-08-08 | 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 |
Family Cites Families (9)
| 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 |
| FR2551611B1 (fr) * | 1983-08-31 | 1986-10-24 | Labo Electronique Physique | Nouvelle structure de transducteur ultrasonore et appareil d'examen de milieux par echographie ultrasonore comprenant une telle structure |
| 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 |
-
2008
- 2008-02-29 US US12/040,287 patent/US8129886B2/en not_active Expired - Fee Related
-
2009
- 2009-02-17 FR FR0951033A patent/FR2928224A1/fr not_active Withdrawn
- 2009-02-24 JP JP2009040509A patent/JP2009213137A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US8129886B2 (en) | 2012-03-06 |
| JP2009213137A (ja) | 2009-09-17 |
| US20090219108A1 (en) | 2009-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20151030 |