MX347686B - Celda transductora, micro-labrada, capacitiva, pre-colapsada con capa de tensión. - Google Patents
Celda transductora, micro-labrada, capacitiva, pre-colapsada con capa de tensión.Info
- Publication number
- MX347686B MX347686B MX2014004910A MX2014004910A MX347686B MX 347686 B MX347686 B MX 347686B MX 2014004910 A MX2014004910 A MX 2014004910A MX 2014004910 A MX2014004910 A MX 2014004910A MX 347686 B MX347686 B MX 347686B
- Authority
- MX
- Mexico
- Prior art keywords
- membrane
- stress layer
- capacitive micro
- transducer cell
- substrate
- Prior art date
Links
- 239000012528 membrane Substances 0.000 abstract 8
- 239000000758 substrate Substances 0.000 abstract 4
- 238000005452 bending Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/008—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means by using ultrasonic waves
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Micromachines (AREA)
- Pressure Sensors (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measuring Fluid Pressure (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161552482P | 2011-10-28 | 2011-10-28 | |
| PCT/IB2012/055919 WO2013061298A2 (en) | 2011-10-28 | 2012-10-26 | Pre-collapsed capacitive micro-machined transducer cell with stress layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MX2014004910A MX2014004910A (es) | 2014-05-28 |
| MX347686B true MX347686B (es) | 2017-05-09 |
Family
ID=47505271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX2014004910A MX347686B (es) | 2011-10-28 | 2012-10-26 | Celda transductora, micro-labrada, capacitiva, pre-colapsada con capa de tensión. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9534949B2 (https=) |
| EP (1) | EP2771132B1 (https=) |
| JP (1) | JP6210992B2 (https=) |
| CN (1) | CN103917304B (https=) |
| BR (1) | BR112014009659A2 (https=) |
| MX (1) | MX347686B (https=) |
| RU (1) | RU2603518C2 (https=) |
| WO (1) | WO2013061298A2 (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN2014CN04975A (https=) | 2011-12-20 | 2015-09-18 | Koninkl Philips Nv | |
| CN105263851B (zh) | 2013-05-31 | 2017-10-13 | 罗伯特·博世有限公司 | 被限位的膜 |
| DE102013223695B4 (de) * | 2013-11-20 | 2016-09-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum herstellen eines kapazitiven ultraschallwandlers und anordnung einer mehrzahl von kapazitiven ultraschallwandlern |
| EP3110628B1 (en) | 2014-02-28 | 2019-07-03 | The Regents of the University of California | Variable thickness diaphragm for a wideband robust piezoelectric micromachined ultrasonic transducer (pmut) |
| WO2016083273A1 (en) * | 2014-11-25 | 2016-06-02 | Koninklijke Philips N.V. | Ultrasound system and method |
| CN105792084B (zh) * | 2016-04-26 | 2020-02-21 | 瑞声声学科技(深圳)有限公司 | Mems麦克风及其制造方法 |
| 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 |
| RU2672099C2 (ru) * | 2016-12-23 | 2018-11-12 | Евгений Анатольевич Обжиров | Электрическая машина емкостная (эме) с ячейками внутреннего сжатия |
| JP6970935B2 (ja) * | 2017-06-21 | 2021-11-24 | パナソニックＩｐマネジメント株式会社 | 物理量センサ |
| DE102019203829B4 (de) * | 2019-03-20 | 2020-12-31 | Vitesco Technologies GmbH | Verfahren zum Herstellen einer Fluidsensorvorrichtung und Fluidsensorvorrichtung |
| US11904357B2 (en) * | 2020-05-22 | 2024-02-20 | GE Precision Healthcare LLC | Micromachined ultrasonic transducers with non-coplanar actuation and displacement |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5619476A (en) * | 1994-10-21 | 1997-04-08 | The Board Of Trustees Of The Leland Stanford Jr. Univ. | Electrostatic ultrasonic transducer |
| DE69932587D1 (de) | 1999-02-09 | 2006-09-14 | St Microelectronics Srl | Verfahren zur Herstellung von integrierten Bauelementen mit elektromechanischen Mikrostrukturen, ohne Restspannung |
| US20030022412A1 (en) | 2001-07-25 | 2003-01-30 | Motorola, Inc. | Monolithic semiconductor-piezoelectric device structures and electroacoustic charge transport devices |
| US7489593B2 (en) | 2004-11-30 | 2009-02-10 | Vermon | Electrostatic membranes for sensors, ultrasonic transducers incorporating such membranes, and manufacturing methods therefor |
| US8327521B2 (en) * | 2007-09-17 | 2012-12-11 | Koninklijke Philips Electronics N.V. | Method for production and using a capacitive micro-machined ultrasonic transducer |
| US10092270B2 (en) | 2007-09-17 | 2018-10-09 | Koninklijke Philips Electronics N.V. | Pre-collapsed CMUT with mechanical collapse retention |
| WO2009041675A1 (en) * | 2007-09-25 | 2009-04-02 | Canon Kabushiki Kaisha | Electrostatic transducer and manufacturing method therefor |
| US7745248B2 (en) | 2007-10-18 | 2010-06-29 | The Board Of Trustees Of The Leland Stanford Junior University | Fabrication of capacitive micromachined ultrasonic transducers by local oxidation |
| US8787116B2 (en) * | 2007-12-14 | 2014-07-22 | Koninklijke Philips N.V. | Collapsed mode operable cMUT including contoured substrate |
| EP2145696A1 (en) * | 2008-07-15 | 2010-01-20 | UAB Minatech | Capacitive micromachined ultrasonic transducer and its fabrication method |
| JP2010061976A (ja) * | 2008-09-03 | 2010-03-18 | Toshiba Corp | スイッチ及びｅｓｄ保護素子 |
| US9132693B2 (en) * | 2008-09-16 | 2015-09-15 | Koninklijke Philps N.V. | Capacitive micromachine ultrasound transducer |
| US8402831B2 (en) * | 2009-03-05 | 2013-03-26 | The Board Of Trustees Of The Leland Standford Junior University | Monolithic integrated CMUTs fabricated by low-temperature wafer bonding |
| BR112014009698A2 (pt) * | 2011-10-28 | 2017-05-09 | Koninklijke Philips Nv | célula transdutora micromanufaturada capacitiva que sofreu colapso previamente e método de fabricação da mesma |
| IN2014CN03656A (https=) * | 2011-11-17 | 2015-10-16 | Koninkl Philips Nv | |
| IN2014CN04975A (https=) * | 2011-12-20 | 2015-09-18 | Koninkl Philips Nv |
-
2012
- 2012-10-26 JP JP2014537801A patent/JP6210992B2/ja active Active
- 2012-10-26 MX MX2014004910A patent/MX347686B/es active IP Right Grant
- 2012-10-26 CN CN201280053001.1A patent/CN103917304B/zh active Active
- 2012-10-26 WO PCT/IB2012/055919 patent/WO2013061298A2/en not_active Ceased
- 2012-10-26 EP EP12810422.1A patent/EP2771132B1/en active Active
- 2012-10-26 BR BR112014009659A patent/BR112014009659A2/pt not_active Application Discontinuation
- 2012-10-26 RU RU2014121392/28A patent/RU2603518C2/ru not_active IP Right Cessation
- 2012-10-26 US US14/349,077 patent/US9534949B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2014121392A (ru) | 2015-12-10 |
| US9534949B2 (en) | 2017-01-03 |
| CN103917304A (zh) | 2014-07-09 |
| RU2603518C2 (ru) | 2016-11-27 |
| BR112014009659A2 (pt) | 2017-05-09 |
| MX2014004910A (es) | 2014-05-28 |
| CN103917304B (zh) | 2016-08-17 |
| EP2771132A2 (en) | 2014-09-03 |
| US20140251014A1 (en) | 2014-09-11 |
| WO2013061298A2 (en) | 2013-05-02 |
| EP2771132B1 (en) | 2018-08-29 |
| JP6210992B2 (ja) | 2017-10-11 |
| WO2013061298A3 (en) | 2013-09-19 |
| JP2015501594A (ja) | 2015-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |