CN204014056U - 一种mems麦克风 - Google Patents
一种mems麦克风 Download PDFInfo
- Publication number
- CN204014056U CN204014056U CN201420430271.6U CN201420430271U CN204014056U CN 204014056 U CN204014056 U CN 204014056U CN 201420430271 U CN201420430271 U CN 201420430271U CN 204014056 U CN204014056 U CN 204014056U
- Authority
- CN
- China
- Prior art keywords
- vibrating diaphragm
- backplane
- mems microphone
- insulating barrier
- relative
- 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 - Lifetime
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000013707 sensory perception of sound Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420430271.6U CN204014056U (zh) | 2014-07-31 | 2014-07-31 | 一种mems麦克风 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420430271.6U CN204014056U (zh) | 2014-07-31 | 2014-07-31 | 一种mems麦克风 |
Publications (1)
Publication Number | Publication Date |
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CN204014056U true CN204014056U (zh) | 2014-12-10 |
Family
ID=52053991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420430271.6U Expired - Lifetime CN204014056U (zh) | 2014-07-31 | 2014-07-31 | 一种mems麦克风 |
Country Status (1)
Country | Link |
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CN (1) | CN204014056U (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107529121A (zh) * | 2017-09-28 | 2017-12-29 | 歌尔股份有限公司 | 电容式麦克风及电子装置 |
CN107682797A (zh) * | 2015-05-15 | 2018-02-09 | 风起科技股份有限公司 | 具侧边空腔的微型集音器及cmos麦克风单晶片 |
CN108430007A (zh) * | 2018-05-16 | 2018-08-21 | 周代军 | 一种电容话筒振膜和话筒及生产方法 |
-
2014
- 2014-07-31 CN CN201420430271.6U patent/CN204014056U/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107682797A (zh) * | 2015-05-15 | 2018-02-09 | 风起科技股份有限公司 | 具侧边空腔的微型集音器及cmos麦克风单晶片 |
CN107682797B (zh) * | 2015-05-15 | 2020-02-07 | 风起科技股份有限公司 | 具侧边空腔的微型集音器及cmos麦克风单晶片 |
CN107529121A (zh) * | 2017-09-28 | 2017-12-29 | 歌尔股份有限公司 | 电容式麦克风及电子装置 |
WO2019061618A1 (zh) * | 2017-09-28 | 2019-04-04 | 歌尔股份有限公司 | 电容式麦克风及电子装置 |
US10932064B2 (en) | 2017-09-28 | 2021-02-23 | Weifang Goertek Microelectronics Co., Ltd | Condenser microphone and electronic device |
EP3691294A4 (en) * | 2017-09-28 | 2021-08-04 | Weifang Goertek Microelectronics Co., Ltd. | CONDENSER MICROPHONE AND ELECTRONIC DEVICE |
CN108430007A (zh) * | 2018-05-16 | 2018-08-21 | 周代军 | 一种电容话筒振膜和话筒及生产方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200615 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20141210 |