KR101499795B1 - 정전기력을 이용한 캔틸레버 습도센서 - Google Patents
정전기력을 이용한 캔틸레버 습도센서 Download PDFInfo
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- KR101499795B1 KR101499795B1 KR1020130089255A KR20130089255A KR101499795B1 KR 101499795 B1 KR101499795 B1 KR 101499795B1 KR 1020130089255 A KR1020130089255 A KR 1020130089255A KR 20130089255 A KR20130089255 A KR 20130089255A KR 101499795 B1 KR101499795 B1 KR 101499795B1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/226—Construction of measuring vessels; Electrodes therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/227—Sensors changing capacitance upon adsorption or absorption of fluid components, e.g. electrolyte-insulator-semiconductor sensors, MOS capacitors
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- General Health & Medical Sciences (AREA)
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
도 2는 종래의 정전용량형 습도센서의 다른 실시예에 따른 사시도이다.
도 3은 본 발명의 일 실시예에 따른 캔틸레버 습도센서의 사시도이다.
도 4는 정전기력이 구동되어 감습층과 맞닿게 되는 본 발명의 캔틸레버 습도센서의 사시도이다.
도 5는 본 발명의 일 실시예에 따른 캔틸레버 습도센서의 공정 과정을 나타낸 것이다.
종래 감습층(30) 종래 상부전극(40)
종래 고분자 감습층(50) 종래 하부전극(60)
캔틸레버 습도센서(100) 기판(110)
하부전극(120) 절연층(130)
전극(140) 감습층(150)
상부전극(160) 기둥(161)
연결부위(162)
Claims (4)
- 기판, 하부전극, 절연층, 전극, 감습층 및 상부전극이 순차로 적층되어 습도를 측정하는 정전 용량형 습도 센서에 있어서,
상기 상부전극은 캔틸레버 형태로 제작되며 상기 감습층과 일정 거리 이격되어 형성되는 것을 특징으로 하는 캔틸레버 습도센서. - 제 1 항에 있어서, 상기 상부전극은 상기 전극에서 발생하는 정전기력으로 위·아래로 구동되는 것을 특징으로 하는 캔틸레버 습도센서.
- 기판에 하부전극을 증착하는 하부전극 증착 단계;
상기 하부 전극층을 패터닝하는 하부전극 패터닝 단계;
상기 하부 전극층에 전극을 형성하는 전극 증착 단계:
상기 전극층에 절연막을 형성하는 절연층 형성 단계;
상기 절연층에 감습층을 형성하는 감습층 형성 단계;
상기 감습층에 상부전극을 형성하는 상부전극 증착 단계; 및
상기 상부전극을 상기 감습층까지 증착된 증착층과 일정거리 이격되어 형성되도록 캔틸레버 형태로 식각하는 식각 단계;를 포함하는 캔틸레버 습도센서 제조방법. - 제 3 항에 있어서, 상기 상부전극은 기판으로부터 기둥이 형성되어 캔틸레버 형상을 가지는 것을 특징으로 하는 캔틸레버 습도센서 제조방법.
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KR1020130089255A KR101499795B1 (ko) | 2013-07-29 | 2013-07-29 | 정전기력을 이용한 캔틸레버 습도센서 |
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KR1020130089255A KR101499795B1 (ko) | 2013-07-29 | 2013-07-29 | 정전기력을 이용한 캔틸레버 습도센서 |
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KR20150014550A KR20150014550A (ko) | 2015-02-09 |
KR101499795B1 true KR101499795B1 (ko) | 2015-03-10 |
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Families Citing this family (1)
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CN118843791A (zh) * | 2023-02-23 | 2024-10-25 | 京东方科技集团股份有限公司 | 湿度传感器及其制备方法、电子设备 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20030092618A (ko) * | 2002-05-30 | 2003-12-06 | 한국과학기술연구원 | 캔틸레버 센서 및 그 제조 방법 |
KR100817731B1 (ko) * | 2006-10-09 | 2008-03-31 | 쌍신전자통신주식회사 | 정전용량형 습도센서 및 그 제조방법 |
KR20080058286A (ko) * | 2006-12-21 | 2008-06-25 | 전자부품연구원 | 정전 용량형 습도센서 및 그 제조방법 |
KR20100053082A (ko) * | 2008-11-12 | 2010-05-20 | 전자부품연구원 | 정전용량형 습도센서 및 그 제조방법 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20030092618A (ko) * | 2002-05-30 | 2003-12-06 | 한국과학기술연구원 | 캔틸레버 센서 및 그 제조 방법 |
KR100817731B1 (ko) * | 2006-10-09 | 2008-03-31 | 쌍신전자통신주식회사 | 정전용량형 습도센서 및 그 제조방법 |
KR20080058286A (ko) * | 2006-12-21 | 2008-06-25 | 전자부품연구원 | 정전 용량형 습도센서 및 그 제조방법 |
KR20100053082A (ko) * | 2008-11-12 | 2010-05-20 | 전자부품연구원 | 정전용량형 습도센서 및 그 제조방법 |
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