CN104848982A - 准差分电容式mems压力传感器及其制造方法 - Google Patents
准差分电容式mems压力传感器及其制造方法 Download PDFInfo
- Publication number
- CN104848982A CN104848982A CN201510290391.XA CN201510290391A CN104848982A CN 104848982 A CN104848982 A CN 104848982A CN 201510290391 A CN201510290391 A CN 201510290391A CN 104848982 A CN104848982 A CN 104848982A
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- bottom electrode
- electrode
- top electrode
- pressure
- capacitor
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- 239000003990 capacitor Substances 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 238000005530 etching Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 230000008021 deposition Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0618—Overload protection
-
- 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
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
- G01L9/0045—Diaphragm associated with a buried cavity
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Abstract
Description
Claims (10)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510290391.XA CN104848982B (zh) | 2015-05-29 | 2015-05-29 | 准差分电容式mems压力传感器及其制造方法 |
PCT/CN2015/096917 WO2016192361A1 (zh) | 2015-05-29 | 2015-12-10 | 准差分电容式mems压力传感器及其制造方法 |
US15/559,311 US10295422B2 (en) | 2015-05-29 | 2015-12-10 | Quasi-differential capacitive MEMS pressure sensor and manufacturing methods thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510290391.XA CN104848982B (zh) | 2015-05-29 | 2015-05-29 | 准差分电容式mems压力传感器及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104848982A true CN104848982A (zh) | 2015-08-19 |
CN104848982B CN104848982B (zh) | 2018-01-19 |
Family
ID=53848796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510290391.XA Active CN104848982B (zh) | 2015-05-29 | 2015-05-29 | 准差分电容式mems压力传感器及其制造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10295422B2 (zh) |
CN (1) | CN104848982B (zh) |
WO (1) | WO2016192361A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106092153A (zh) * | 2016-07-28 | 2016-11-09 | 歌尔股份有限公司 | 一种环境传感器及其制造方法 |
WO2016192361A1 (zh) * | 2015-05-29 | 2016-12-08 | 歌尔声学股份有限公司 | 准差分电容式mems压力传感器及其制造方法 |
CN106698328A (zh) * | 2015-11-12 | 2017-05-24 | 上海丽恒光微电子科技有限公司 | 压力传感器及其制备方法 |
CN108362408A (zh) * | 2018-03-08 | 2018-08-03 | 苏州敏芯微电子技术股份有限公司 | 压力传感器及其制造方法 |
CN109997021A (zh) * | 2016-11-22 | 2019-07-09 | Nissha株式会社 | 压力传感器 |
CN110366083A (zh) * | 2018-04-11 | 2019-10-22 | 中芯国际集成电路制造(上海)有限公司 | Mems器件及其制备方法 |
CN111190126A (zh) * | 2017-06-09 | 2020-05-22 | 合肥工业大学 | 采用折合梁结构的mems磁场传感器、制备工艺及用途 |
CN115655534A (zh) * | 2022-10-31 | 2023-01-31 | 歌尔微电子股份有限公司 | 压力传感器及压力传感器的制作方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3122247C (en) * | 2018-12-13 | 2023-09-26 | Mitsubishi Electric Corporation | Pulling detection device and moving body system comprising same |
DE102018222712A1 (de) * | 2018-12-21 | 2020-06-25 | Robert Bosch Gmbh | Mikromechanisches Bauteil für eine kapazitive Drucksensorvorrichtung |
DE102018222770A1 (de) * | 2018-12-21 | 2020-06-25 | Robert Bosch Gmbh | Mikromechanische Sensoreinrichtung und Verfahren zum Herstellen einer mikromechanischen Sensoreinrichtung |
CN110567636A (zh) * | 2019-09-29 | 2019-12-13 | 川北真空科技(北京)有限公司 | 压差探测集成块及其制造方法 |
CN113125069A (zh) * | 2021-03-10 | 2021-07-16 | 潍坊歌尔微电子有限公司 | 气压传感器芯片及其制备方法 |
GR1010410B (el) * | 2021-07-30 | 2023-02-20 | Ευρωπαϊκα Συστηματα Αισθητηρων Α.Ε., | Μικροηλεκτρομηχανικο συστημα (microelectromechanical system-mems) διαφορικου χωρητικου αισθητηρα πιεσης με σταθερο πυκνωτη αναφορας και μεθοδος κατασκευης του |
CN114166402B (zh) * | 2021-12-01 | 2024-05-31 | 深圳市锐迪芯电子有限公司 | 一种mems气流压力传感器及其制备方法 |
Citations (5)
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US5316619A (en) * | 1993-02-05 | 1994-05-31 | Ford Motor Company | Capacitive surface micromachine absolute pressure sensor and method for processing |
US20100242617A1 (en) * | 2004-10-18 | 2010-09-30 | Silverbrook Research Pty Ltd | Air pressure sensor with temperature compensation |
CN103994854A (zh) * | 2014-04-22 | 2014-08-20 | 江苏森博传感技术有限公司 | 一种基于微机电系统技术的硅电容真空传感器 |
CN104142206A (zh) * | 2013-05-07 | 2014-11-12 | 上海丽恒光微电子科技有限公司 | 一种mems电容式压力传感器及其制作方法 |
CN204881958U (zh) * | 2015-05-29 | 2015-12-16 | 歌尔声学股份有限公司 | 准差分电容式mems压力传感器 |
Family Cites Families (8)
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US5332469A (en) * | 1992-11-12 | 1994-07-26 | Ford Motor Company | Capacitive surface micromachined differential pressure sensor |
JP3362714B2 (ja) * | 1998-11-16 | 2003-01-07 | 株式会社豊田中央研究所 | 静電容量型圧力センサおよびその製造方法 |
CN101476960B (zh) * | 2009-01-21 | 2010-08-18 | 沈阳仪表科学研究院 | 一种提高硅电容压力传感器过载能力的方法 |
CN102075839B (zh) * | 2009-11-20 | 2014-09-03 | 歌尔声学股份有限公司 | Mems传声器芯片以及采用这种芯片的mems传声器 |
CN103837290B (zh) * | 2013-12-03 | 2015-11-18 | 江苏物联网研究发展中心 | 高精度的电容式压力传感器 |
CN204675826U (zh) * | 2015-05-29 | 2015-09-30 | 歌尔声学股份有限公司 | Mems压力传感器、mems惯性传感器集成结构 |
CN104891418B (zh) * | 2015-05-29 | 2016-09-21 | 歌尔股份有限公司 | Mems压力传感器、mems惯性传感器集成结构 |
CN104848982B (zh) * | 2015-05-29 | 2018-01-19 | 歌尔股份有限公司 | 准差分电容式mems压力传感器及其制造方法 |
-
2015
- 2015-05-29 CN CN201510290391.XA patent/CN104848982B/zh active Active
- 2015-12-10 WO PCT/CN2015/096917 patent/WO2016192361A1/zh active Application Filing
- 2015-12-10 US US15/559,311 patent/US10295422B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316619A (en) * | 1993-02-05 | 1994-05-31 | Ford Motor Company | Capacitive surface micromachine absolute pressure sensor and method for processing |
US20100242617A1 (en) * | 2004-10-18 | 2010-09-30 | Silverbrook Research Pty Ltd | Air pressure sensor with temperature compensation |
CN104142206A (zh) * | 2013-05-07 | 2014-11-12 | 上海丽恒光微电子科技有限公司 | 一种mems电容式压力传感器及其制作方法 |
CN103994854A (zh) * | 2014-04-22 | 2014-08-20 | 江苏森博传感技术有限公司 | 一种基于微机电系统技术的硅电容真空传感器 |
CN204881958U (zh) * | 2015-05-29 | 2015-12-16 | 歌尔声学股份有限公司 | 准差分电容式mems压力传感器 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016192361A1 (zh) * | 2015-05-29 | 2016-12-08 | 歌尔声学股份有限公司 | 准差分电容式mems压力传感器及其制造方法 |
US10295422B2 (en) | 2015-05-29 | 2019-05-21 | Goertek.Inc | Quasi-differential capacitive MEMS pressure sensor and manufacturing methods thereof |
CN106698328A (zh) * | 2015-11-12 | 2017-05-24 | 上海丽恒光微电子科技有限公司 | 压力传感器及其制备方法 |
CN106092153A (zh) * | 2016-07-28 | 2016-11-09 | 歌尔股份有限公司 | 一种环境传感器及其制造方法 |
CN109997021A (zh) * | 2016-11-22 | 2019-07-09 | Nissha株式会社 | 压力传感器 |
CN109997021B (zh) * | 2016-11-22 | 2021-08-03 | Nissha株式会社 | 压力传感器 |
CN111190126A (zh) * | 2017-06-09 | 2020-05-22 | 合肥工业大学 | 采用折合梁结构的mems磁场传感器、制备工艺及用途 |
CN111190126B (zh) * | 2017-06-09 | 2022-06-07 | 温州大学 | 采用折合梁结构的mems磁场传感器的制备方法 |
CN108362408A (zh) * | 2018-03-08 | 2018-08-03 | 苏州敏芯微电子技术股份有限公司 | 压力传感器及其制造方法 |
CN110366083A (zh) * | 2018-04-11 | 2019-10-22 | 中芯国际集成电路制造(上海)有限公司 | Mems器件及其制备方法 |
CN115655534A (zh) * | 2022-10-31 | 2023-01-31 | 歌尔微电子股份有限公司 | 压力传感器及压力传感器的制作方法 |
Also Published As
Publication number | Publication date |
---|---|
US10295422B2 (en) | 2019-05-21 |
CN104848982B (zh) | 2018-01-19 |
WO2016192361A1 (zh) | 2016-12-08 |
US20180113040A1 (en) | 2018-04-26 |
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C06 | Publication | ||
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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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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. |