CN1960581B - 一种电容式硅传声器 - Google Patents
一种电容式硅传声器 Download PDFInfo
- Publication number
- CN1960581B CN1960581B CN2005101154489A CN200510115448A CN1960581B CN 1960581 B CN1960581 B CN 1960581B CN 2005101154489 A CN2005101154489 A CN 2005101154489A CN 200510115448 A CN200510115448 A CN 200510115448A CN 1960581 B CN1960581 B CN 1960581B
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- CN
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- Prior art keywords
- vibrating diaphragm
- capacitance type
- backplane
- type silicon
- layer
- 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.)
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 68
- 239000010703 silicon Substances 0.000 title claims abstract description 68
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 27
- 229920005591 polysilicon Polymers 0.000 claims description 27
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 23
- 230000004888 barrier function Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 15
- 238000005530 etching Methods 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 abstract 2
- 239000010408 film Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Pressure Sensors (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005101154489A CN1960581B (zh) | 2005-11-03 | 2005-11-03 | 一种电容式硅传声器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2005101154489A CN1960581B (zh) | 2005-11-03 | 2005-11-03 | 一种电容式硅传声器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1960581A CN1960581A (zh) | 2007-05-09 |
CN1960581B true CN1960581B (zh) | 2011-07-13 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005101154489A Active CN1960581B (zh) | 2005-11-03 | 2005-11-03 | 一种电容式硅传声器 |
Country Status (1)
Country | Link |
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CN (1) | CN1960581B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101472212B (zh) * | 2007-12-24 | 2012-10-10 | 北京大学 | 一种Post-CMOS电容式硅基微传声器及其制备方法 |
CN101572849B (zh) * | 2009-04-03 | 2013-04-24 | 瑞声声学科技(深圳)有限公司 | 硅基麦克风 |
CN102065355A (zh) * | 2010-05-04 | 2011-05-18 | 瑞声声学科技(深圳)有限公司 | 振膜及包括该振膜的微型发声器 |
CN101835080B (zh) * | 2010-05-10 | 2014-04-30 | 瑞声声学科技(深圳)有限公司 | 硅基麦克风 |
US20160007119A1 (en) * | 2014-04-23 | 2016-01-07 | Knowles Electronics, Llc | Diaphragm Stiffener |
CN105871249B (zh) * | 2015-01-19 | 2019-12-31 | 北京纳米能源与系统研究所 | 声电转换部件及应用其的充电装置和声音信号采集器 |
CN105357617B (zh) * | 2015-11-30 | 2019-08-09 | 歌尔股份有限公司 | 一种mems麦克风芯片及其制作方法及mems麦克风 |
CN107364827B (zh) * | 2016-05-12 | 2020-02-11 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及制备方法、电子装置 |
CN107364826B (zh) * | 2016-05-12 | 2019-09-03 | 中芯国际集成电路制造(上海)有限公司 | 一种半导体器件及制备方法、电子装置 |
CN107465983B (zh) * | 2016-06-03 | 2021-06-04 | 无锡华润上华科技有限公司 | Mems麦克风及其制备方法 |
CN107786929B (zh) * | 2016-08-26 | 2023-12-26 | 华景科技无锡有限公司 | 硅麦克风 |
CN110351619A (zh) * | 2019-06-28 | 2019-10-18 | 歌尔股份有限公司 | 一种微型过滤器及声学设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1352515A (zh) * | 2001-12-07 | 2002-06-05 | 清华大学 | 单片集成电容式硅基微传声器及其制作工艺 |
US6535460B2 (en) * | 2000-08-11 | 2003-03-18 | Knowles Electronics, Llc | Miniature broadband acoustic transducer |
-
2005
- 2005-11-03 CN CN2005101154489A patent/CN1960581B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6535460B2 (en) * | 2000-08-11 | 2003-03-18 | Knowles Electronics, Llc | Miniature broadband acoustic transducer |
CN1352515A (zh) * | 2001-12-07 | 2002-06-05 | 清华大学 | 单片集成电容式硅基微传声器及其制作工艺 |
Also Published As
Publication number | Publication date |
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CN1960581A (zh) | 2007-05-09 |
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ASS | Succession or assignment of patent right |
Owner name: GOER TEK INC. Free format text: FORMER OWNER: QINGDAO GOERTEK ELECTRONICS CO., LTD. Effective date: 20071109 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20071109 Address after: 261031 Weifang Shandong high tech Zone East North Road head Applicant after: Goertek Inc. Address before: 260061 Shandong Qingdao hi tech Zone Venture Building 605 Applicant before: Geer Electronics Co., Ltd., Qingdao |
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EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20070509 Assignee: Knowles Electronics Co. Ltd. Assignor: Goertek Inc. Contract record no.: 2015990000235 Denomination of invention: Capacitance type silicon microphone Granted publication date: 20110713 License type: Common License Record date: 20150424 |
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Address after: 261031 Weifang Shandong high tech Zone East North Road head Patentee after: Goertek Inc. Address before: 261031 Weifang Shandong high tech Zone East North Road head Patentee before: Goertek Inc. |
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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 Weifang Shandong high tech Zone East North Road head Patentee before: GOERTEK Inc. |