CN105067178A - 一种差分电容式mems压力传感器及其制造方法 - Google Patents
一种差分电容式mems压力传感器及其制造方法 Download PDFInfo
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- CN105067178A CN105067178A CN201510290080.3A CN201510290080A CN105067178A CN 105067178 A CN105067178 A CN 105067178A CN 201510290080 A CN201510290080 A CN 201510290080A CN 105067178 A CN105067178 A CN 105067178A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000005530 etching Methods 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 26
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 20
- 229920005591 polysilicon Polymers 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 230000001629 suppression Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 18
- 239000003990 capacitor Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 7
- 230000002708 enhancing effect Effects 0.000 description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007769 metal material Substances 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
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/02—Microstructural systems; Auxiliary parts of microstructural devices or systems containing distinct electrical or optical devices of particular relevance for their function, e.g. microelectro-mechanical systems [MEMS]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
- G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/02—Sensors
- B81B2201/0264—Pressure sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Abstract
Description
Claims (10)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290080.3A CN105067178B (zh) | 2015-05-29 | 2015-05-29 | 一种差分电容式mems压力传感器及其制造方法 |
| PCT/CN2015/096916 WO2016192360A1 (zh) | 2015-05-29 | 2015-12-10 | 一种差分电容式mems压力传感器及其制造方法 |
| US15/559,331 US10495535B2 (en) | 2015-05-29 | 2015-12-10 | Differential capacitive MEMS pressure sensor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510290080.3A CN105067178B (zh) | 2015-05-29 | 2015-05-29 | 一种差分电容式mems压力传感器及其制造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105067178A true CN105067178A (zh) | 2015-11-18 |
| CN105067178B CN105067178B (zh) | 2018-01-19 |
Family
ID=54496602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510290080.3A Active CN105067178B (zh) | 2015-05-29 | 2015-05-29 | 一种差分电容式mems压力传感器及其制造方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US10495535B2 (zh) |
| CN (1) | CN105067178B (zh) |
| WO (1) | WO2016192360A1 (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016192360A1 (zh) * | 2015-05-29 | 2016-12-08 | 歌尔声学股份有限公司 | 一种差分电容式mems压力传感器及其制造方法 |
| WO2018049639A1 (zh) * | 2016-09-17 | 2018-03-22 | 深圳市汇顶科技股份有限公司 | 压力检测装置及智能终端 |
| CN111103074A (zh) * | 2018-10-29 | 2020-05-05 | 精工爱普生株式会社 | 压敏传感器以及机械手 |
| WO2024192703A1 (zh) * | 2023-03-22 | 2024-09-26 | 京东方科技集团股份有限公司 | 气压传感器及其制备方法、电子设备 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072033B (zh) * | 2021-03-26 | 2023-04-21 | 华南农业大学 | 纵向双侧多组差分电容式微机械结构及其制备方法 |
| CN113237595B (zh) * | 2021-05-08 | 2022-04-08 | 杭州电子科技大学 | 一种二维解耦力触觉传感器及mems制备方法 |
| US12072252B2 (en) * | 2021-09-24 | 2024-08-27 | Apple Inc. | Gap-increasing capacitive pressure sensor for increased range |
| CN115144122B (zh) * | 2022-08-31 | 2022-11-18 | 南京元感微电子有限公司 | 一种多层结构的耐高温压力传感器及其加工方法 |
| CN118565690B (zh) * | 2024-07-30 | 2024-11-15 | 上海拜安传感技术有限公司 | 一种差分式mems光纤差压传感器芯片及其制造方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5679902A (en) * | 1995-02-17 | 1997-10-21 | Vaisala Oy | Surface-micromachined symmetrical differential pressure sensor with electrodes patterned into multiple conducting areas |
| US20030005774A1 (en) * | 2001-07-06 | 2003-01-09 | Yasutoshi Suzuki | Electrical capacitance presssure sensor having electrode with fixed area and manufacturing method thereof |
| CN201740612U (zh) * | 2010-06-22 | 2011-02-09 | 沈阳仪表科学研究院 | 双面同时静电封接的结构型力敏传感器 |
| DE102011017462A1 (de) * | 2011-04-18 | 2012-10-18 | Hydac Electronic Gmbh | Vorrichtung zum Messen einer Druckdifferenz, insbesondere kapazitiver Differenzdrucksensor |
| CN103563399A (zh) * | 2011-03-11 | 2014-02-05 | 歌尔声学股份有限公司 | Cmos兼容的硅差分电容器麦克风及其制造方法 |
| CN204964093U (zh) * | 2015-05-29 | 2016-01-13 | 歌尔声学股份有限公司 | 一种差分电容式mems压力传感器 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2639159B2 (ja) * | 1989-04-14 | 1997-08-06 | 富士電機株式会社 | 静電容量式差圧検出器 |
| US6431003B1 (en) * | 2000-03-22 | 2002-08-13 | Rosemount Aerospace Inc. | Capacitive differential pressure sensor with coupled diaphragms |
| CN105067178B (zh) | 2015-05-29 | 2018-01-19 | 歌尔股份有限公司 | 一种差分电容式mems压力传感器及其制造方法 |
-
2015
- 2015-05-29 CN CN201510290080.3A patent/CN105067178B/zh active Active
- 2015-12-10 WO PCT/CN2015/096916 patent/WO2016192360A1/zh not_active Ceased
- 2015-12-10 US US15/559,331 patent/US10495535B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5679902A (en) * | 1995-02-17 | 1997-10-21 | Vaisala Oy | Surface-micromachined symmetrical differential pressure sensor with electrodes patterned into multiple conducting areas |
| US20030005774A1 (en) * | 2001-07-06 | 2003-01-09 | Yasutoshi Suzuki | Electrical capacitance presssure sensor having electrode with fixed area and manufacturing method thereof |
| CN201740612U (zh) * | 2010-06-22 | 2011-02-09 | 沈阳仪表科学研究院 | 双面同时静电封接的结构型力敏传感器 |
| CN103563399A (zh) * | 2011-03-11 | 2014-02-05 | 歌尔声学股份有限公司 | Cmos兼容的硅差分电容器麦克风及其制造方法 |
| DE102011017462A1 (de) * | 2011-04-18 | 2012-10-18 | Hydac Electronic Gmbh | Vorrichtung zum Messen einer Druckdifferenz, insbesondere kapazitiver Differenzdrucksensor |
| CN204964093U (zh) * | 2015-05-29 | 2016-01-13 | 歌尔声学股份有限公司 | 一种差分电容式mems压力传感器 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016192360A1 (zh) * | 2015-05-29 | 2016-12-08 | 歌尔声学股份有限公司 | 一种差分电容式mems压力传感器及其制造方法 |
| US10495535B2 (en) | 2015-05-29 | 2019-12-03 | Goertek.Inc | Differential capacitive MEMS pressure sensor and manufacturing method thereof |
| WO2018049639A1 (zh) * | 2016-09-17 | 2018-03-22 | 深圳市汇顶科技股份有限公司 | 压力检测装置及智能终端 |
| KR20180041618A (ko) * | 2016-09-17 | 2018-04-24 | 선전 구딕스 테크놀로지 컴퍼니, 리미티드 | 압력 검출 장치 및 스마트 단말기 |
| KR102006095B1 (ko) * | 2016-09-17 | 2019-07-31 | 선전 구딕스 테크놀로지 컴퍼니, 리미티드 | 압력 검출 장치 및 스마트 단말기 |
| US10551977B2 (en) | 2016-09-17 | 2020-02-04 | Shenzhen GOODIX Technology Co., Ltd. | Pressure detection apparatus and intelligent terminal |
| CN111103074A (zh) * | 2018-10-29 | 2020-05-05 | 精工爱普生株式会社 | 压敏传感器以及机械手 |
| CN111103074B (zh) * | 2018-10-29 | 2021-09-28 | 精工爱普生株式会社 | 压敏传感器以及机械手 |
| WO2024192703A1 (zh) * | 2023-03-22 | 2024-09-26 | 京东方科技集团股份有限公司 | 气压传感器及其制备方法、电子设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| US10495535B2 (en) | 2019-12-03 |
| WO2016192360A1 (zh) | 2016-12-08 |
| US20180113041A1 (en) | 2018-04-26 |
| CN105067178B (zh) | 2018-01-19 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |