DE602004006232T2 - Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung - Google Patents
Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung Download PDFInfo
- Publication number
- DE602004006232T2 DE602004006232T2 DE602004006232T DE602004006232T DE602004006232T2 DE 602004006232 T2 DE602004006232 T2 DE 602004006232T2 DE 602004006232 T DE602004006232 T DE 602004006232T DE 602004006232 T DE602004006232 T DE 602004006232T DE 602004006232 T2 DE602004006232 T2 DE 602004006232T2
- Authority
- DE
- Germany
- Prior art keywords
- bias
- transducer
- transducer element
- electrodes
- pair
- 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
- 238000000034 method Methods 0.000 claims description 25
- 238000002604 ultrasonography Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 5
- 230000036316 preload Effects 0.000 claims description 5
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000000523 sample Substances 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000002059 diagnostic imaging Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000031513 cyst Diseases 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
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- 238000001465 metallisation Methods 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
- G01S15/8925—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays
-
- 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
- B06B1/0292—Electrostatic transducers, e.g. electret-type
-
- 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
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Multimedia (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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/367,106 US7087023B2 (en) | 2003-02-14 | 2003-02-14 | Microfabricated ultrasonic transducers with bias polarity beam profile control and method of operating the same |
| US367106 | 2003-02-14 | ||
| PCT/US2004/002740 WO2004075165A1 (en) | 2003-02-14 | 2004-01-29 | Microfabricated ultrasonic transducers with bias polarity beam profile control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE602004006232D1 DE602004006232D1 (de) | 2007-06-14 |
| DE602004006232T2 true DE602004006232T2 (de) | 2008-02-07 |
Family
ID=32849901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602004006232T Expired - Lifetime DE602004006232T2 (de) | 2003-02-14 | 2004-01-29 | Mikrohergestellte ultraschallwandler mit bias-polaritätsstrahlprofilsteuerung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7087023B2 (https=) |
| EP (1) | EP1593115B1 (https=) |
| JP (1) | JP4422718B2 (https=) |
| CN (1) | CN1833273B (https=) |
| DE (1) | DE602004006232T2 (https=) |
| WO (1) | WO2004075165A1 (https=) |
Families Citing this family (91)
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| DE60334007D1 (de) | 2002-10-01 | 2010-10-14 | Nellcor Puritan Bennett Inc | Verwendung eines Kopfbandes zur Spannungsanzeige und System aus Oxymeter und Kopfband |
| US7780597B2 (en) * | 2003-02-14 | 2010-08-24 | Siemens Medical Solutions Usa, Inc. | Method and apparatus for improving the performance of capacitive acoustic transducers using bias polarity control and multiple firings |
| US7618373B2 (en) * | 2003-02-14 | 2009-11-17 | Siemens Medical Solutions Usa, Inc. | Microfabricated ultrasonic transducer array for 3-D imaging and method of operating the same |
| US7635332B2 (en) * | 2003-02-14 | 2009-12-22 | Siemens Medical Solutions Usa, Inc. | System and method of operating microfabricated ultrasonic transducers for harmonic imaging |
| US7443765B2 (en) * | 2003-03-06 | 2008-10-28 | General Electric Company | Reconfigurable linear sensor arrays for reduced channel count |
| US20040190377A1 (en) * | 2003-03-06 | 2004-09-30 | Lewandowski Robert Stephen | Method and means for isolating elements of a sensor array |
| US7047056B2 (en) | 2003-06-25 | 2006-05-16 | Nellcor Puritan Bennett Incorporated | Hat-based oximeter sensor |
| US20050043627A1 (en) * | 2003-07-17 | 2005-02-24 | Angelsen Bjorn A.J. | Curved ultrasound transducer arrays manufactured with planar technology |
| US8412297B2 (en) | 2003-10-01 | 2013-04-02 | Covidien Lp | Forehead sensor placement |
| US7427825B2 (en) * | 2004-03-12 | 2008-09-23 | Siemens Medical Solutions Usa, Inc. | Electrical interconnections and methods for membrane ultrasound transducers |
| US20050215909A1 (en) * | 2004-03-19 | 2005-09-29 | Siemens Medical Solutions Usa, Inc. | Electric field control for capacitive micromachined ultrasound transducers |
| WO2006041058A1 (ja) * | 2004-10-15 | 2006-04-20 | Hitachi Medical Corporation | 超音波診断装置 |
| WO2006121851A2 (en) * | 2005-05-05 | 2006-11-16 | Volcano Corporation | Capacitive microfabricated ultrasound transducer-based intravascular ultrasound probes |
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| TWI260940B (en) * | 2005-06-17 | 2006-08-21 | Ind Tech Res Inst | Method for producing polymeric capacitive ultrasonic transducer |
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| US5619476A (en) | 1994-10-21 | 1997-04-08 | The Board Of Trustees Of The Leland Stanford Jr. Univ. | Electrostatic ultrasonic transducer |
| US5894452A (en) | 1994-10-21 | 1999-04-13 | The Board Of Trustees Of The Leland Stanford Junior University | Microfabricated ultrasonic immersion transducer |
| US5651365A (en) | 1995-06-07 | 1997-07-29 | Acuson Corporation | Phased array transducer design and method for manufacture thereof |
| US6046840A (en) * | 1995-06-19 | 2000-04-04 | Reflectivity, Inc. | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements |
| JP3926871B2 (ja) * | 1995-09-11 | 2007-06-06 | テキサス インスツルメンツ インコーポレイテツド | デジタルマイクロミラーリセット方法 |
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| US5982709A (en) | 1998-03-31 | 1999-11-09 | The Board Of Trustees Of The Leland Stanford Junior University | Acoustic transducers and method of microfabrication |
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| US6271620B1 (en) * | 1999-05-20 | 2001-08-07 | Sen Corporation | Acoustic transducer and method of making the same |
| US6246158B1 (en) * | 1999-06-24 | 2001-06-12 | Sensant Corporation | Microfabricated transducers formed over other circuit components on an integrated circuit chip and methods for making the same |
| US6443901B1 (en) * | 2000-06-15 | 2002-09-03 | Koninklijke Philips Electronics N.V. | Capacitive micromachined ultrasonic transducers |
-
2003
- 2003-02-14 US US10/367,106 patent/US7087023B2/en not_active Expired - Fee Related
-
2004
- 2004-01-29 EP EP04706549A patent/EP1593115B1/en not_active Expired - Lifetime
- 2004-01-29 CN CN2004800072945A patent/CN1833273B/zh not_active Expired - Fee Related
- 2004-01-29 DE DE602004006232T patent/DE602004006232T2/de not_active Expired - Lifetime
- 2004-01-29 JP JP2006503208A patent/JP4422718B2/ja not_active Expired - Fee Related
- 2004-01-29 WO PCT/US2004/002740 patent/WO2004075165A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP1593115A1 (en) | 2005-11-09 |
| US7087023B2 (en) | 2006-08-08 |
| JP4422718B2 (ja) | 2010-02-24 |
| WO2004075165B1 (en) | 2006-04-27 |
| EP1593115B1 (en) | 2007-05-02 |
| CN1833273B (zh) | 2010-12-22 |
| US20040160144A1 (en) | 2004-08-19 |
| CN1833273A (zh) | 2006-09-13 |
| WO2004075165A1 (en) | 2004-09-02 |
| DE602004006232D1 (de) | 2007-06-14 |
| JP2006519556A (ja) | 2006-08-24 |
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