CN101883307B - 电容mems麦克风振膜 - Google Patents
电容mems麦克风振膜 Download PDFInfo
- Publication number
- CN101883307B CN101883307B CN2010101679505A CN201010167950A CN101883307B CN 101883307 B CN101883307 B CN 101883307B CN 2010101679505 A CN2010101679505 A CN 2010101679505A CN 201010167950 A CN201010167950 A CN 201010167950A CN 101883307 B CN101883307 B CN 101883307B
- Authority
- CN
- China
- Prior art keywords
- annular folding
- diaphragm
- folding beam
- electro
- micro
- 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 - Fee Related
Links
Images
Classifications
-
- 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
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/003—Mems transducers or their use
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Pressure Sensors (AREA)
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101679505A CN101883307B (zh) | 2010-05-04 | 2010-05-04 | 电容mems麦克风振膜 |
US12/978,585 US20110274298A1 (en) | 2010-05-04 | 2010-12-26 | Mems microphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010101679505A CN101883307B (zh) | 2010-05-04 | 2010-05-04 | 电容mems麦克风振膜 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101883307A CN101883307A (zh) | 2010-11-10 |
CN101883307B true CN101883307B (zh) | 2012-12-12 |
Family
ID=43055176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010101679505A Expired - Fee Related CN101883307B (zh) | 2010-05-04 | 2010-05-04 | 电容mems麦克风振膜 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20110274298A1 (zh) |
CN (1) | CN101883307B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8718317B2 (en) * | 2011-05-19 | 2014-05-06 | Zonghan Wu | Moving-magnet electromagnetic device with planar coil |
US9624091B2 (en) * | 2013-05-31 | 2017-04-18 | Robert Bosch Gmbh | Trapped membrane |
CN104219598B (zh) * | 2013-05-31 | 2018-03-30 | 美律电子(深圳)有限公司 | 双振膜声波传感器 |
CN103607684B (zh) * | 2013-11-29 | 2019-01-18 | 上海集成电路研发中心有限公司 | 电容式硅麦克风及其制备方法 |
TWI575963B (zh) * | 2014-02-27 | 2017-03-21 | 先技股份有限公司 | 微機電麥克風裝置 |
US9866200B2 (en) * | 2014-10-22 | 2018-01-09 | Microchip Technology Incorporated | Multiple coil spring MEMS resonator |
CN105776124A (zh) * | 2014-12-24 | 2016-07-20 | 中芯国际集成电路制造(上海)有限公司 | 一种mems器件及其制备方法、电子装置 |
US9718671B2 (en) * | 2015-03-09 | 2017-08-01 | Invensense, Inc. | MEMS acoustic sensor comprising a non-perimeter flexible member |
CN107690114B (zh) * | 2016-08-04 | 2023-10-03 | 共达电声股份有限公司 | Mems麦克风振膜及mems麦克风 |
CN109195075B (zh) * | 2018-11-29 | 2024-04-12 | 华景科技无锡有限公司 | 一种麦克风振膜及麦克风 |
CN110002394B (zh) * | 2019-06-06 | 2019-09-06 | 共达电声股份有限公司 | 一种感测膜和微机电装置 |
CN110775937B (zh) * | 2019-12-31 | 2020-05-08 | 共达电声股份有限公司 | Mems膜片及mems传感器芯片 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0726887B2 (ja) * | 1986-05-31 | 1995-03-29 | 株式会社堀場製作所 | コンデンサマイクロフオン型検出器用ダイアフラム |
US6535460B2 (en) * | 2000-08-11 | 2003-03-18 | Knowles Electronics, Llc | Miniature broadband acoustic transducer |
US20070147650A1 (en) * | 2005-12-07 | 2007-06-28 | Lee Sung Q | Microphone and speaker having plate spring structure and speech recognition/synthesizing device using the microphone and the speaker |
TW200746868A (en) * | 2006-02-24 | 2007-12-16 | Yamaha Corp | Condenser microphone |
TWI358235B (en) * | 2007-12-14 | 2012-02-11 | Ind Tech Res Inst | Sensing membrane and micro-electro-mechanical syst |
US8467559B2 (en) * | 2008-02-20 | 2013-06-18 | Shandong Gettop Acoustic Co., Ltd. | Silicon microphone without dedicated backplate |
-
2010
- 2010-05-04 CN CN2010101679505A patent/CN101883307B/zh not_active Expired - Fee Related
- 2010-12-26 US US12/978,585 patent/US20110274298A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20110274298A1 (en) | 2011-11-10 |
CN101883307A (zh) | 2010-11-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170526 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC Microelectroincs Technology (Changzhou) Co., Ltd. Patentee after: AAC Technologies (Singapore) Co., Ltd. Address before: 518057 Nanshan District province high tech Industrial Park, Shenzhen, North West New Road, No. 18 Co-patentee before: AAC Microelectroincs Technology (Changzhou) Co., Ltd. Patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20210504 |
|
CF01 | Termination of patent right due to non-payment of annual fee |