CN104160250B - 具有充电电压源的电容微机械超声换能器设备 - Google Patents
具有充电电压源的电容微机械超声换能器设备 Download PDFInfo
- Publication number
- CN104160250B CN104160250B CN201380013597.7A CN201380013597A CN104160250B CN 104160250 B CN104160250 B CN 104160250B CN 201380013597 A CN201380013597 A CN 201380013597A CN 104160250 B CN104160250 B CN 104160250B
- Authority
- CN
- China
- Prior art keywords
- cmut
- electrode
- charging voltage
- dielectric layer
- polarity
- 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.)
- Active
Links
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
- B06B1/0292—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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
- G01N29/2406—Electrostatic or capacitive probes, e.g. electret or cMUT-probes
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (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)
- Micromachines (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201261610130P | 2012-03-13 | 2012-03-13 | |
| US61/610,130 | 2012-03-13 | ||
| PCT/IB2013/051631 WO2013136212A1 (en) | 2012-03-13 | 2013-03-01 | Capacitive micro-machined ultrasound transducer device with charging voltage source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104160250A CN104160250A (zh) | 2014-11-19 |
| CN104160250B true CN104160250B (zh) | 2017-10-27 |
Family
ID=48142836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380013597.7A Active CN104160250B (zh) | 2012-03-13 | 2013-03-01 | 具有充电电压源的电容微机械超声换能器设备 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9950342B2 (enExample) |
| EP (1) | EP2825856B1 (enExample) |
| JP (1) | JP6329491B2 (enExample) |
| CN (1) | CN104160250B (enExample) |
| WO (1) | WO2013136212A1 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6011235B2 (ja) * | 2012-10-17 | 2016-10-19 | セイコーエプソン株式会社 | 超音波測定装置、プローブヘッド、超音波プローブ、電子機器及び超音波診断装置 |
| WO2015044827A1 (en) * | 2013-09-27 | 2015-04-02 | Koninklijke Philips N.V. | Ultrasound transducer assembly and method for transmitting and receiving ultrasound waves |
| JP6684817B2 (ja) * | 2014-11-25 | 2020-04-22 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 超音波システム及び方法 |
| US11766237B2 (en) | 2015-07-02 | 2023-09-26 | Philips Image Guided Therapy Corporation | Multi-mode capacitive micromachined ultrasound transducer and associated devices, systems, and methods for multiple different intravascular sensing capabilities |
| US11097312B2 (en) | 2015-08-11 | 2021-08-24 | Koninklijke Philips N.V. | Capacitive micromachined ultrasonic transducers with increased lifetime |
| US9987661B2 (en) | 2015-12-02 | 2018-06-05 | Butterfly Network, Inc. | Biasing of capacitive micromachined ultrasonic transducers (CMUTs) and related apparatus and methods |
| US11864947B2 (en) | 2016-12-22 | 2024-01-09 | Koninklijke Philips N.V. | Systems and methods of operation of capacitive radio frequency micro-electromechanical switches |
| CN110325293B (zh) * | 2016-12-22 | 2021-06-22 | 皇家飞利浦有限公司 | 电容式射频微机电开关的系统和操作方法 |
| US10986435B2 (en) * | 2017-04-18 | 2021-04-20 | Massachusetts Institute Of Technology | Electrostatic acoustic transducer utilized in a hearing aid or audio processing system |
| US11026662B2 (en) * | 2018-01-11 | 2021-06-08 | Siemens Medical Solutions Usa, Inc. | Ultrasound transmit/receive for pulse inversion |
| FR3077162B1 (fr) * | 2018-01-22 | 2020-02-07 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Transducteur piezoelectrique |
| CN114175682A (zh) * | 2019-07-26 | 2022-03-11 | 维蒙股份公司 | Cmut换能器和制造方法 |
| JP2021038981A (ja) * | 2019-09-02 | 2021-03-11 | 株式会社日立製作所 | 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 |
| US11738369B2 (en) * | 2020-02-17 | 2023-08-29 | GE Precision Healthcare LLC | Capactive micromachined transducer having a high contact resistance part |
| DE102021200003A1 (de) * | 2021-01-04 | 2022-07-07 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren und Vorrichtung zur Verwendung eines Halbleiterbauelements |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6443901B1 (en) | 2000-06-15 | 2002-09-03 | Koninklijke Philips Electronics N.V. | Capacitive micromachined ultrasonic transducers |
| JP4746291B2 (ja) | 2004-08-05 | 2011-08-10 | オリンパス株式会社 | 静電容量型超音波振動子、及びその製造方法 |
| CN101227863B (zh) * | 2005-09-05 | 2011-08-31 | 株式会社日立医药 | 超声波摄像装置 |
| JP4434109B2 (ja) * | 2005-09-05 | 2010-03-17 | 株式会社日立製作所 | 電気・音響変換素子 |
| EP1952767B1 (en) * | 2005-11-18 | 2015-07-15 | Hitachi Medical Corporation | Ultrasound diagnostic apparatus and method of calibrating the same |
| US7599254B2 (en) * | 2005-12-20 | 2009-10-06 | Siemens Medical Solutions Usa, Inc. | Transducer static discharge methods and apparatus |
| JP4852356B2 (ja) * | 2006-06-27 | 2012-01-11 | 株式会社日立メディコ | 超音波診断装置 |
| JP4839176B2 (ja) | 2006-10-12 | 2011-12-21 | オリンパスメディカルシステムズ株式会社 | 超音波トランスデューサ及び超音波診断装置 |
| US20100168583A1 (en) | 2006-11-03 | 2010-07-01 | Research Triangle Institute | Enhanced ultrasound imaging probes using flexure mode piezoelectric transducers |
| US8559274B2 (en) * | 2007-12-03 | 2013-10-15 | Kolo Technologies, Inc. | Dual-mode operation micromachined ultrasonic transducer |
| JP2009272824A (ja) | 2008-05-02 | 2009-11-19 | Olympus Medical Systems Corp | 超音波振動子セル、超音波振動子および超音波内視鏡 |
| WO2010000020A1 (en) | 2008-06-30 | 2010-01-07 | Cathrx Ltd | A catheter |
| US8315125B2 (en) * | 2009-03-18 | 2012-11-20 | Sonetics Ultrasound, Inc. | System and method for biasing CMUT elements |
| JP6482558B2 (ja) * | 2013-12-12 | 2019-03-13 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | モノリシックに集積された三電極cmut装置 |
-
2013
- 2013-03-01 EP EP13717563.4A patent/EP2825856B1/en active Active
- 2013-03-01 WO PCT/IB2013/051631 patent/WO2013136212A1/en not_active Ceased
- 2013-03-01 US US14/382,560 patent/US9950342B2/en active Active
- 2013-03-01 JP JP2014561548A patent/JP6329491B2/ja active Active
- 2013-03-01 CN CN201380013597.7A patent/CN104160250B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015513272A (ja) | 2015-04-30 |
| WO2013136212A1 (en) | 2013-09-19 |
| CN104160250A (zh) | 2014-11-19 |
| JP6329491B2 (ja) | 2018-05-23 |
| US20150016227A1 (en) | 2015-01-15 |
| EP2825856B1 (en) | 2023-09-27 |
| EP2825856A1 (en) | 2015-01-21 |
| US9950342B2 (en) | 2018-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104160250B (zh) | 具有充电电压源的电容微机械超声换能器设备 | |
| RU2511671C2 (ru) | Емкостной микрообработанный ультразвуковой преобразователь | |
| US7728487B2 (en) | Ultrasound transducer manufactured by using micromachining process, its device, endoscopic ultrasound diagnosis system thereof, and method for controlling the same | |
| CN102639258B (zh) | 用于电容式机电变换器的控制设备以及控制电容式机电变换器的方法 | |
| CN101868982B (zh) | 带有电压反馈的电容式微机械超声换能器 | |
| US10313027B2 (en) | Wide band through-body ultrasonic communication system | |
| CN102333485B (zh) | 具有机械塌陷保持的预塌陷cmut | |
| JP7198848B2 (ja) | 超音波トランスデューサアセンブリ | |
| US10350636B2 (en) | Capacitive transducer and sample information acquisition apparatus | |
| US20130116568A1 (en) | Method and device for generating ultrasounds implementing cmuts, and method and system for medical imaging | |
| JP4958631B2 (ja) | 超音波送受信デバイス及びそれを用いた超音波探触子 | |
| US20170312782A1 (en) | Integrated acoustic transducer with reduced propagation of undesired acoustic waves | |
| US10743840B2 (en) | Ultrasound transducer assembly and method for transmitting and receiving ultrasound waves | |
| JP2009272824A (ja) | 超音波振動子セル、超音波振動子および超音波内視鏡 | |
| US9586233B2 (en) | Capacitive micromachined ultrasound transducers with pressurized cavities | |
| CN120920343B (zh) | 基于结构预应变的微纳声学换能器和超声成像探头 | |
| JP2019209169A (ja) | 静電容量型トランスデューサ、及び被検体情報取得装置 | |
| JP2011211059A (ja) | 超音波発生器、超音波発生器の駆動方法及び超音波センサ | |
| JP5855142B2 (ja) | 静電容量型トランスデューサの制御装置、及び静電容量型トランスデューサの制御方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |