CN1203312C - 电容式相对湿度传感器 - Google Patents
电容式相对湿度传感器 Download PDFInfo
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- CN1203312C CN1203312C CN 03131858 CN03131858A CN1203312C CN 1203312 C CN1203312 C CN 1203312C CN 03131858 CN03131858 CN 03131858 CN 03131858 A CN03131858 A CN 03131858A CN 1203312 C CN1203312 C CN 1203312C
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- layer
- humidity sensor
- electrodes
- relative humidity
- capacitive
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- 239000003990 capacitor Substances 0.000 claims abstract description 26
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- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 17
- 239000004642 Polyimide Substances 0.000 claims abstract description 16
- 229920001721 polyimide Polymers 0.000 claims abstract description 16
- 238000002161 passivation Methods 0.000 claims abstract description 15
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 15
- 229920005591 polysilicon Polymers 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 24
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 230000007774 longterm Effects 0.000 abstract description 6
- 238000003795 desorption Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
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- 230000001590 oxidative effect Effects 0.000 abstract 3
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- 239000012535 impurity Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
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- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03131858 CN1203312C (zh) | 2003-06-12 | 2003-06-12 | 电容式相对湿度传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03131858 CN1203312C (zh) | 2003-06-12 | 2003-06-12 | 电容式相对湿度传感器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1455250A CN1455250A (zh) | 2003-11-12 |
CN1203312C true CN1203312C (zh) | 2005-05-25 |
Family
ID=29260465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03131858 Expired - Fee Related CN1203312C (zh) | 2003-06-12 | 2003-06-12 | 电容式相对湿度传感器 |
Country Status (1)
Country | Link |
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CN (1) | CN1203312C (zh) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4341506B2 (ja) * | 2004-08-20 | 2009-10-07 | 株式会社デンソー | 湿度センサおよび湿度検出機能を有する複合センサ |
CN1327215C (zh) * | 2005-03-08 | 2007-07-18 | 东南大学 | Cmos工艺兼容的相对湿度传感器 |
WO2009016594A2 (en) | 2007-08-02 | 2009-02-05 | Nxp B.V. | Humidity sensor based on progressive corrosion of exposed material |
US7683636B2 (en) * | 2007-10-26 | 2010-03-23 | Honeywell International Inc. | Structure for capacitive balancing of integrated relative humidity sensor |
CN101308110B (zh) * | 2008-07-11 | 2011-02-02 | 中国电子科技集团公司第四十九研究所 | 有加热功能低功耗双模块集成湿度敏感芯片及其制作方法 |
CN101620197B (zh) * | 2009-07-23 | 2012-09-05 | 东南大学 | 一种快速响应的cmos相对湿度传感器 |
CN102549416B (zh) * | 2009-11-30 | 2014-03-12 | 阿尔卑斯电气株式会社 | 湿度检测传感器 |
CN101738422B (zh) | 2009-12-23 | 2012-09-05 | 北京宝力马传感技术有限公司 | 一种湿度测量装置及方法 |
CN101949878B (zh) * | 2010-09-03 | 2013-05-01 | 兰州交通大学 | 一种聚酰亚胺膜微型快速响应湿度传感元件及其制作方法 |
CN102253091A (zh) * | 2011-04-19 | 2011-11-23 | 东南大学 | 基于氧化石墨烯的电容式相对湿度传感器 |
CN102243199A (zh) * | 2011-04-20 | 2011-11-16 | 东南大学 | 快速响应的微电子机械系统相对湿度传感器 |
GB201110550D0 (en) * | 2011-06-22 | 2011-08-03 | Delta T Devices Ltd | Matric potential sensor and related methods |
US9027400B2 (en) * | 2011-12-02 | 2015-05-12 | Stmicroelectronics Pte Ltd. | Tunable humidity sensor with integrated heater |
CN102495113A (zh) * | 2011-12-30 | 2012-06-13 | 湖南科技学院 | 一种鲜肉含水量检测探头 |
ITMI20130484A1 (it) * | 2013-03-29 | 2014-09-30 | St Microelectronics Srl | Dispositivo elettronico integrato per il monitoraggio di umidita' e/o acidita'/basicita' ambientali e/o corrosione |
CN103434999B (zh) * | 2013-09-02 | 2016-01-20 | 东南大学 | 一种温度、湿度、气压和加速度传感器的集成制造方法 |
CN103471740B (zh) * | 2013-09-30 | 2015-11-11 | 东南大学 | 一种电容式温度传感器 |
EP3259581B1 (en) | 2015-02-17 | 2020-01-29 | Honeywell International Inc. | Humidity sensor and method for manufacturing the sensor |
CN105366626B (zh) * | 2015-10-21 | 2017-12-12 | 苏州工业园区纳米产业技术研究院有限公司 | Mems电容式湿度传感器及其制备方法 |
EP3214434B1 (en) | 2016-03-03 | 2019-12-04 | Sensirion AG | Method for fabrication of a sensor device |
EP3244201B1 (en) | 2016-05-13 | 2021-10-27 | Honeywell International Inc. | Fet based humidity sensor with barrier layer protecting gate dielectric |
CN106680333A (zh) * | 2017-02-13 | 2017-05-17 | 广州奥松电子有限公司 | 一种湿敏电容及其制造方法 |
CN106841331B (zh) * | 2017-04-05 | 2023-07-18 | 成都信息工程大学 | 一种柔性电容式湿度传感器及其制备方法 |
CN110057876A (zh) * | 2019-05-07 | 2019-07-26 | 济南大学 | 一种电容式传感器测量含水率的方法 |
CN112578003A (zh) * | 2019-09-30 | 2021-03-30 | 浙江三花智能控制股份有限公司 | 传感元件 |
CN116698926B (zh) * | 2023-06-08 | 2024-07-09 | 大连理工大学 | 监测涂层损伤程度和破损处腐蚀速率的测量装置及方法 |
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2003
- 2003-06-12 CN CN 03131858 patent/CN1203312C/zh not_active Expired - Fee Related
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CN1455250A (zh) | 2003-11-12 |
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