CN110944274A - 一种基于Piston-mode的带质量负载可调谐MEMS压电声换能器 - Google Patents
一种基于Piston-mode的带质量负载可调谐MEMS压电声换能器 Download PDFInfo
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- CN110944274A CN110944274A CN201911140181.7A CN201911140181A CN110944274A CN 110944274 A CN110944274 A CN 110944274A CN 201911140181 A CN201911140181 A CN 201911140181A CN 110944274 A CN110944274 A CN 110944274A
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- acoustic transducer
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- 239000000463 material Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims description 16
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000026683 transduction Effects 0.000 description 2
- 238000010361 transduction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/005—Electrostatic transducers using semiconductor materials
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
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CN201911140181.7A CN110944274B (zh) | 2019-11-20 | 2019-11-20 | 一种基于Piston-mode的带质量负载可调谐MEMS压电声换能器 |
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CN201911140181.7A CN110944274B (zh) | 2019-11-20 | 2019-11-20 | 一种基于Piston-mode的带质量负载可调谐MEMS压电声换能器 |
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CN110944274A true CN110944274A (zh) | 2020-03-31 |
CN110944274B CN110944274B (zh) | 2020-12-18 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111525905A (zh) * | 2020-04-03 | 2020-08-11 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、半导体器件、质量负载制作方法及电子设备 |
CN112718437A (zh) * | 2020-12-16 | 2021-04-30 | 武汉大学 | 基于多振膜耦合的压电微机械超声换能器 |
CN114466282A (zh) * | 2022-01-24 | 2022-05-10 | 武汉大学 | 一种声学换能器及声学装置 |
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JP2015130568A (ja) * | 2014-01-07 | 2015-07-16 | 株式会社オーディオテクニカ | 静電型電気音響変換器及びその製造方法 |
CN109154533A (zh) * | 2016-06-03 | 2019-01-04 | Mks 仪器公司 | 微机械本体声波谐振器压力传感器 |
CN110071658A (zh) * | 2018-01-22 | 2019-07-30 | 原子能与替代能源委员会 | 压电式换能器 |
CN110149574A (zh) * | 2019-05-18 | 2019-08-20 | 安徽奥飞声学科技有限公司 | 一种mems结构 |
CN209314103U (zh) * | 2019-03-27 | 2019-08-27 | 歌尔科技有限公司 | 振动传感器和音频设备 |
US10476480B1 (en) * | 2018-07-06 | 2019-11-12 | Globalfoundries Singapore Pte. Ltd. | Dual-mode MEMS resonator, oscillator, sensor, timing device, acoustic filter and front-end module and the methods of making |
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2019
- 2019-11-20 CN CN201911140181.7A patent/CN110944274B/zh active Active
Patent Citations (17)
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US6438242B1 (en) * | 1999-09-07 | 2002-08-20 | The United States Of America As Represented By The Secretary Of The Navy | Acoustic transducer panel |
US6842964B1 (en) * | 2000-09-29 | 2005-01-18 | Tucker Davis Technologies, Inc. | Process of manufacturing of electrostatic speakers |
CN1596480A (zh) * | 2001-09-27 | 2005-03-16 | 1...有限公司 | 压电结构 |
US8372011B2 (en) * | 2004-02-27 | 2013-02-12 | Georgia Tech Research Corporation | Asymmetric membrane cMUT devices and fabrication methods |
US7612483B2 (en) * | 2004-02-27 | 2009-11-03 | Georgia Tech Research Corporation | Harmonic cMUT devices and fabrication methods |
WO2005084267A3 (en) * | 2004-02-27 | 2007-11-15 | Georgia Tech Res Inst | Harmonic cmut devices and fabrication methods |
CN101796726A (zh) * | 2007-08-24 | 2010-08-04 | 太阳诱电株式会社 | 压电薄膜谐振器、使用该压电薄膜谐振器的滤波器、使用该滤波器的双工器、以及使用该滤波器或该双工器的通信设备 |
CN102111116A (zh) * | 2010-11-24 | 2011-06-29 | 张�浩 | 整合的晶圆级别封装体 |
CN103270776A (zh) * | 2010-12-28 | 2013-08-28 | Nec卡西欧移动通信株式会社 | 振荡装置和电子设备 |
CN102075161A (zh) * | 2011-01-20 | 2011-05-25 | 张�浩 | 声波器件及其制作方法 |
CN104756521A (zh) * | 2012-10-26 | 2015-07-01 | 富士胶片戴麦提克斯公司 | 具有多谐波模式的微机械超声波换能器阵列 |
JP2015130568A (ja) * | 2014-01-07 | 2015-07-16 | 株式会社オーディオテクニカ | 静電型電気音響変換器及びその製造方法 |
CN109154533A (zh) * | 2016-06-03 | 2019-01-04 | Mks 仪器公司 | 微机械本体声波谐振器压力传感器 |
CN110071658A (zh) * | 2018-01-22 | 2019-07-30 | 原子能与替代能源委员会 | 压电式换能器 |
US10476480B1 (en) * | 2018-07-06 | 2019-11-12 | Globalfoundries Singapore Pte. Ltd. | Dual-mode MEMS resonator, oscillator, sensor, timing device, acoustic filter and front-end module and the methods of making |
CN209314103U (zh) * | 2019-03-27 | 2019-08-27 | 歌尔科技有限公司 | 振动传感器和音频设备 |
CN110149574A (zh) * | 2019-05-18 | 2019-08-20 | 安徽奥飞声学科技有限公司 | 一种mems结构 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111525905A (zh) * | 2020-04-03 | 2020-08-11 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、半导体器件、质量负载制作方法及电子设备 |
CN111525905B (zh) * | 2020-04-03 | 2021-06-01 | 诺思(天津)微系统有限责任公司 | 体声波谐振器、半导体器件、质量负载制作方法及电子设备 |
CN112718437A (zh) * | 2020-12-16 | 2021-04-30 | 武汉大学 | 基于多振膜耦合的压电微机械超声换能器 |
CN112718437B (zh) * | 2020-12-16 | 2022-01-14 | 武汉大学 | 基于多振膜耦合的压电微机械超声换能器 |
CN114466282A (zh) * | 2022-01-24 | 2022-05-10 | 武汉大学 | 一种声学换能器及声学装置 |
CN114466282B (zh) * | 2022-01-24 | 2022-11-25 | 武汉大学 | 一种声学换能器及声学装置 |
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