CN204681591U - 一种mems麦克风元件 - Google Patents
一种mems麦克风元件 Download PDFInfo
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- CN204681591U CN204681591U CN201520363225.3U CN201520363225U CN204681591U CN 204681591 U CN204681591 U CN 204681591U CN 201520363225 U CN201520363225 U CN 201520363225U CN 204681591 U CN204681591 U CN 204681591U
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- capacitor
- mems microphone
- diaphragm
- pole plate
- vibrating diaphragm
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- 239000000463 material Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 16
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 10
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 239000003990 capacitor Substances 0.000 abstract description 85
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 18
- 230000008569 process Effects 0.000 description 13
- 230000007423 decrease Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 230000005236 sound signal Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000000708 deep reactive-ion etching Methods 0.000 description 2
- 230000009699 differential effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000030808 detection of mechanical stimulus involved in sensory perception of sound Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Pressure Sensors (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
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Priority Applications (1)
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CN201520363225.3U CN204681591U (zh) | 2015-05-29 | 2015-05-29 | 一种mems麦克风元件 |
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CN201520363225.3U CN204681591U (zh) | 2015-05-29 | 2015-05-29 | 一种mems麦克风元件 |
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CN204681591U true CN204681591U (zh) | 2015-09-30 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104902414A (zh) * | 2015-05-29 | 2015-09-09 | 歌尔声学股份有限公司 | 一种mems麦克风元件及其制造方法 |
CN108235203A (zh) * | 2017-12-11 | 2018-06-29 | 钰太芯微电子科技(上海)有限公司 | 一种自适应跟踪偏置电压的方法及麦克风装置 |
WO2021248930A1 (zh) * | 2020-06-09 | 2021-12-16 | 通用微(深圳)科技有限公司 | 硅基麦克风装置及电子设备 |
WO2021248928A1 (zh) * | 2020-06-09 | 2021-12-16 | 通用微(深圳)科技有限公司 | 硅基麦克风装置及电子设备 |
WO2023202417A1 (zh) * | 2022-04-20 | 2023-10-26 | 苏州敏芯微电子技术股份有限公司 | 一种麦克风组件及电子设备 |
-
2015
- 2015-05-29 CN CN201520363225.3U patent/CN204681591U/zh active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104902414A (zh) * | 2015-05-29 | 2015-09-09 | 歌尔声学股份有限公司 | 一种mems麦克风元件及其制造方法 |
WO2016192359A1 (zh) * | 2015-05-29 | 2016-12-08 | 歌尔声学股份有限公司 | 一种mems麦克风元件及其制造方法 |
CN108235203A (zh) * | 2017-12-11 | 2018-06-29 | 钰太芯微电子科技(上海)有限公司 | 一种自适应跟踪偏置电压的方法及麦克风装置 |
WO2021248930A1 (zh) * | 2020-06-09 | 2021-12-16 | 通用微(深圳)科技有限公司 | 硅基麦克风装置及电子设备 |
WO2021248928A1 (zh) * | 2020-06-09 | 2021-12-16 | 通用微(深圳)科技有限公司 | 硅基麦克风装置及电子设备 |
US12143772B2 (en) | 2020-06-09 | 2024-11-12 | Gmems Tech Shenzhen Limited | Silicon-based microphone device and electronic device |
WO2023202417A1 (zh) * | 2022-04-20 | 2023-10-26 | 苏州敏芯微电子技术股份有限公司 | 一种麦克风组件及电子设备 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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TR01 | Transfer of patent right |
Effective date of registration: 20200610 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 Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
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TR01 | Transfer of patent right | ||
CP03 | Change of name, title or address |
Address after: F / F, phase II, Qingdao International Innovation Park, 1 Keyuan Weiyi Road, Laoshan District, Qingdao City, Shandong Province, 266104 Patentee after: Geer Microelectronics Co.,Ltd. Country or region after: China Address before: Room 103, 396 Songling Road, Laoshan District, Qingdao City, Shandong Province 266104 Patentee before: Goer Microelectronics Co.,Ltd. Country or region before: China |
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CP03 | Change of name, title or address |