CN102932724B - 一种微机电传声器芯片及其制作方法 - Google Patents
一种微机电传声器芯片及其制作方法 Download PDFInfo
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- CN102932724B CN102932724B CN201210460227.5A CN201210460227A CN102932724B CN 102932724 B CN102932724 B CN 102932724B CN 201210460227 A CN201210460227 A CN 201210460227A CN 102932724 B CN102932724 B CN 102932724B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 74
- 239000002184 metal Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 13
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 10
- 229920005591 polysilicon Polymers 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
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CN201210460227.5A CN102932724B (zh) | 2012-11-15 | 2012-11-15 | 一种微机电传声器芯片及其制作方法 |
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CN201210460227.5A CN102932724B (zh) | 2012-11-15 | 2012-11-15 | 一种微机电传声器芯片及其制作方法 |
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CN102932724A CN102932724A (zh) | 2013-02-13 |
CN102932724B true CN102932724B (zh) | 2015-05-27 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10158951B2 (en) | 2014-06-27 | 2018-12-18 | Goertek Inc. | Silicon microphone with suspended diaphragm and system with the same |
CN107040857B (zh) * | 2016-02-04 | 2022-11-18 | 山东共达电声股份有限公司 | Mems麦克风及其制造方法 |
US10555088B2 (en) * | 2016-11-18 | 2020-02-04 | Akustica, Inc. | MEMS microphone system having an electrode assembly |
IT201600121533A1 (it) * | 2016-11-30 | 2018-05-30 | St Microelectronics Srl | Trasduttore elettroacustico integrato mems con sensibilita' migliorata e relativo processo di fabbricazione |
WO2020062144A1 (zh) * | 2018-09-29 | 2020-04-02 | 共达电声股份有限公司 | Mems声音传感器、mems麦克风及电子设备 |
WO2020133375A1 (zh) * | 2018-12-29 | 2020-07-02 | 共达电声股份有限公司 | Mems声音传感器、mems麦克风及电子设备 |
WO2020133352A1 (zh) * | 2018-12-29 | 2020-07-02 | 共达电声股份有限公司 | Mems声音传感器、mems麦克风及电子设备 |
CN110574396B (zh) * | 2018-12-29 | 2020-12-22 | 共达电声股份有限公司 | Mems声音传感器、mems麦克风及电子设备 |
CN111757223B (zh) * | 2020-06-30 | 2021-12-14 | 瑞声声学科技(深圳)有限公司 | 一种mems麦克风芯片 |
CN114650486B (zh) * | 2022-03-28 | 2024-02-27 | 歌尔微电子股份有限公司 | 传感器及电子设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201127738A (en) * | 2010-02-02 | 2011-08-16 | Windtop Technology Corp | Silicon capacitive microphone structure |
WO2012122696A1 (en) * | 2011-03-11 | 2012-09-20 | Goertek Inc. | Cmos compatible silicon differential condenser microphone and method for manufacturing the same |
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- 2012-11-15 CN CN201210460227.5A patent/CN102932724B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201127738A (en) * | 2010-02-02 | 2011-08-16 | Windtop Technology Corp | Silicon capacitive microphone structure |
WO2012122696A1 (en) * | 2011-03-11 | 2012-09-20 | Goertek Inc. | Cmos compatible silicon differential condenser microphone and method for manufacturing the same |
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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. |
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Effective date of registration: 20200609 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. |