DE102020121918A1 - Verfahren zur Messung von Ultraschallwellen unter Verwendung eines kapazitiven mikrobearbeiteten Ultraschallwandlers - Google Patents
Verfahren zur Messung von Ultraschallwellen unter Verwendung eines kapazitiven mikrobearbeiteten Ultraschallwandlers Download PDFInfo
- Publication number
- DE102020121918A1 DE102020121918A1 DE102020121918.0A DE102020121918A DE102020121918A1 DE 102020121918 A1 DE102020121918 A1 DE 102020121918A1 DE 102020121918 A DE102020121918 A DE 102020121918A DE 102020121918 A1 DE102020121918 A1 DE 102020121918A1
- Authority
- DE
- Germany
- Prior art keywords
- period
- ultrasonic
- periods
- voltage
- capacitive micromachined
- 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- Withdrawn
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- 239000000523 sample Substances 0.000 claims description 58
- 230000035945 sensitivity Effects 0.000 claims description 38
- 238000002604 ultrasonography Methods 0.000 claims description 30
- 238000012360 testing method Methods 0.000 claims description 22
- 238000005259 measurement Methods 0.000 claims description 9
- 238000012285 ultrasound imaging Methods 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 description 27
- 238000012545 processing Methods 0.000 description 15
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- 229910052581 Si3N4 Inorganic materials 0.000 description 1
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
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- 229910052697 platinum Inorganic materials 0.000 description 1
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Images
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
- 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
- G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
-
- 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
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2406—Electrostatic or capacitive probes, e.g. electret or cMUT-probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted 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
- G01S7/52019—Details of transmitters
- G01S7/5202—Details of transmitters for pulse systems
-
- 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)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019-159761 | 2019-09-02 | ||
| JP2019159761A JP2021038981A (ja) | 2019-09-02 | 2019-09-02 | 容量検出型超音波トランスデューサを使用した計測方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102020121918A1 true DE102020121918A1 (de) | 2021-03-04 |
Family
ID=74565002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102020121918.0A Withdrawn DE102020121918A1 (de) | 2019-09-02 | 2020-08-21 | Verfahren zur Messung von Ultraschallwellen unter Verwendung eines kapazitiven mikrobearbeiteten Ultraschallwandlers |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20210063553A1 (enExample) |
| JP (1) | JP2021038981A (enExample) |
| DE (1) | DE102020121918A1 (enExample) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4636714A (en) * | 1984-01-18 | 1987-01-13 | Wystron, Inc. | Capacitive transducer and method |
| US4743836A (en) * | 1985-12-06 | 1988-05-10 | United Technologies Corporation | Capacitive circuit for measuring a parameter having a linear output voltage |
| US5161128A (en) * | 1990-11-30 | 1992-11-03 | Ultrasonic Arrays, Inc. | Capacitive transducer system and method |
| DE19528454C1 (de) * | 1995-08-03 | 1996-08-08 | Grieshaber Vega Kg | Verfahren und Schaltungsanordnung zur Messung einer Kapazität |
| KR100595917B1 (ko) * | 1998-01-26 | 2006-07-05 | 웨인 웨스터만 | 수동 입력 통합 방법 및 장치 |
| US6985142B1 (en) * | 1998-09-03 | 2006-01-10 | University Of Southern California | Power-efficient, pulsed driving of capacitive loads to controllable voltage levels |
| US20070079658A1 (en) * | 2005-09-23 | 2007-04-12 | Siemens Medical Solutions Usa, Inc. | Rotating aperture for ultrasound imaging with a capacitive membrane or electrostrictive ultrasound transducer |
| JP4812771B2 (ja) * | 2005-11-18 | 2011-11-09 | 株式会社日立メディコ | 超音波診断装置、超音波診断装置の較正方法 |
| US7599254B2 (en) * | 2005-12-20 | 2009-10-06 | Siemens Medical Solutions Usa, Inc. | Transducer static discharge methods and apparatus |
| JP2010042146A (ja) * | 2008-08-13 | 2010-02-25 | Ge Medical Systems Global Technology Co Llc | 超音波撮像装置 |
| US8176787B2 (en) * | 2008-12-17 | 2012-05-15 | General Electric Company | Systems and methods for operating a two-dimensional transducer array |
| US8315125B2 (en) * | 2009-03-18 | 2012-11-20 | Sonetics Ultrasound, Inc. | System and method for biasing CMUT elements |
| JP4906978B2 (ja) * | 2010-04-15 | 2012-03-28 | オリンパスメディカルシステムズ株式会社 | 超音波診断システム |
| EP2548513B1 (en) * | 2010-12-28 | 2014-01-01 | Olympus Medical Systems Corp. | Ultrasound observation apparatus |
| CN104160250B (zh) * | 2012-03-13 | 2017-10-27 | 皇家飞利浦有限公司 | 具有充电电压源的电容微机械超声换能器设备 |
| US9778348B1 (en) * | 2016-03-31 | 2017-10-03 | Butterfly Network, Inc. | Symmetric receiver switch for bipolar pulser |
| US10082565B2 (en) * | 2016-03-31 | 2018-09-25 | Butterfly Network, Inc. | Multilevel bipolar pulser |
| EP3559972B1 (en) * | 2016-12-22 | 2025-10-15 | Koninklijke Philips N.V. | Systems and methods of operation of capacitive radio frequency micro-electromechanical switches |
-
2019
- 2019-09-02 JP JP2019159761A patent/JP2021038981A/ja active Pending
-
2020
- 2020-08-21 DE DE102020121918.0A patent/DE102020121918A1/de not_active Withdrawn
- 2020-08-31 US US17/007,237 patent/US20210063553A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20210063553A1 (en) | 2021-03-04 |
| JP2021038981A (ja) | 2021-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |