JP4732902B2 - 湿度センサおよびそれを有する半導体装置 - Google Patents
湿度センサおよびそれを有する半導体装置 Download PDFInfo
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- JP4732902B2 JP4732902B2 JP2006009908A JP2006009908A JP4732902B2 JP 4732902 B2 JP4732902 B2 JP 4732902B2 JP 2006009908 A JP2006009908 A JP 2006009908A JP 2006009908 A JP2006009908 A JP 2006009908A JP 4732902 B2 JP4732902 B2 JP 4732902B2
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- Prior art keywords
- humidity sensor
- electrode
- wiring layer
- metal wiring
- film
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Classifications
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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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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
11 第二の金属配線層で形成された第一の電極
12 第二の金属配線層で形成された第二の電極
13 保護膜
14A,B 絶縁膜
15 感湿膜
17 バリア・メタル
Claims (8)
- 第一の金属配線層と、
前記第一の金属配線層の上に、絶縁膜を介して形成された、第二の金属配線層からなるとともに前記第一の金属配線層に接続された第一の電極および、前記第一の電極を囲んで配置された、第二の金属配線層からなる第二の電極と、
前記第一および第二の電極の上に配置された感湿膜とからなる単位セルを複数並べた湿度センサ。 - 前記単位セルが半導体基板上に配置されていることを特徴とする請求項1記載の湿度センサ。
- 前記単位セルは、保護膜として、シリコン窒化膜を有することを特徴とする請求項1または2記載の湿度センサ。
- 前記第二の金属配線層からなる前記第一および第二の電極の下に窒素の含有量が原子量で10%未満であるバリア層であるバリア・メタルを有する請求項1乃至3のいずれか1項に記載の湿度センサ。
- 前記単位セルごとに容量を読み出すことができる請求項1記載の湿度センサ
- 請求項1に記載された湿度センサと信号処理回路を含む集積回路とをおなじ半導体基板上に配置した半導体装置。
- さらに保護膜としてシリコン窒化膜を有することを特徴とする請求項6記載の半導体装置。
- 前記シリコン窒化膜は集積回路上で厚く、湿度センサ上では薄い請求項7記載の半導体装置。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006009908A JP4732902B2 (ja) | 2006-01-18 | 2006-01-18 | 湿度センサおよびそれを有する半導体装置 |
| US11/654,416 US7594435B2 (en) | 2006-01-18 | 2007-01-17 | Humidity sensor and semiconductor device including the same |
| CN200710084196.7A CN101004398B (zh) | 2006-01-18 | 2007-01-18 | 湿度传感器及包括其的半导体装置 |
| HK08100452.3A HK1110113B (en) | 2006-01-18 | 2008-01-14 | Humidity sensor and semiconductor device including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006009908A JP4732902B2 (ja) | 2006-01-18 | 2006-01-18 | 湿度センサおよびそれを有する半導体装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007192622A JP2007192622A (ja) | 2007-08-02 |
| JP2007192622A5 JP2007192622A5 (ja) | 2008-11-27 |
| JP4732902B2 true JP4732902B2 (ja) | 2011-07-27 |
Family
ID=38366927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006009908A Expired - Fee Related JP4732902B2 (ja) | 2006-01-18 | 2006-01-18 | 湿度センサおよびそれを有する半導体装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7594435B2 (ja) |
| JP (1) | JP4732902B2 (ja) |
| CN (1) | CN101004398B (ja) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009092633A (ja) * | 2007-10-12 | 2009-04-30 | Denso Corp | インピーダンスセンサ |
| EP2336758B1 (en) * | 2009-12-16 | 2012-08-29 | Nxp B.V. | Capacitive sensor |
| US20120167392A1 (en) | 2010-12-30 | 2012-07-05 | Stmicroelectronics Pte. Ltd. | Razor with chemical and biological sensor |
| US9027400B2 (en) * | 2011-12-02 | 2015-05-12 | Stmicroelectronics Pte Ltd. | Tunable humidity sensor with integrated heater |
| US9019688B2 (en) | 2011-12-02 | 2015-04-28 | Stmicroelectronics Pte Ltd. | Capacitance trimming with an integrated heater |
| CN102692432B (zh) * | 2012-05-29 | 2014-04-30 | 张家港丽恒光微电子科技有限公司 | 集成式湿度传感器及制造方法 |
| KR20150028929A (ko) * | 2013-09-06 | 2015-03-17 | 매그나칩 반도체 유한회사 | 정전용량형 습도센서 |
| KR102187614B1 (ko) * | 2014-07-02 | 2020-12-08 | 주식회사 키 파운드리 | 커패시터형 습도센서 |
| CN104089986A (zh) * | 2014-07-04 | 2014-10-08 | 河海大学 | 一种湿度传感器的制备及检测方法 |
| JP6535185B2 (ja) * | 2015-03-04 | 2019-06-26 | エイブリック株式会社 | 湿度センサ |
| JP6549256B2 (ja) * | 2016-01-29 | 2019-07-24 | シャープ株式会社 | センサ装置 |
| US10618376B2 (en) * | 2016-10-28 | 2020-04-14 | Hyundai America Technical Center, Inc | Automatic vehicular defogging system |
| WO2019039549A1 (ja) * | 2017-08-25 | 2019-02-28 | 京セラ株式会社 | センサ基板およびそれを備えるセンサ装置 |
| CN107748184B (zh) * | 2017-08-31 | 2020-11-24 | 南方科技大学 | 湿度传感器及其制备方法 |
| CN110779956B (zh) * | 2018-07-31 | 2022-06-24 | 北京纳米能源与系统研究所 | 湿度传感器及其制备方法 |
| CN109655492A (zh) * | 2018-11-12 | 2019-04-19 | 浙江大学 | 一种基于摩擦纳米发电机的湿度传感器及其方法 |
| CN110108762A (zh) * | 2019-04-08 | 2019-08-09 | 浙江省北大信息技术高等研究院 | 一种湿度传感器及其制造方法 |
| CN113252741A (zh) * | 2021-05-17 | 2021-08-13 | 东南大学 | 一种柔性湿度传感器及其制备方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1598446A1 (de) * | 1966-05-03 | 1969-06-26 | Hoechst Ag | Feuchtigkeitsmessfuehler |
| US4845421A (en) * | 1986-10-10 | 1989-07-04 | Mineral Control Instrumentation Ltd. | Method and apparatus for measuring the moisture content of a substance |
| DE4016434A1 (de) * | 1990-05-22 | 1991-11-28 | Bosch Gmbh Robert | Kapazitiver stellungsgeber |
| CN2085963U (zh) * | 1991-01-31 | 1991-10-02 | 中国建筑科学研究院空调研究所 | 薄膜型结露传感器 |
| JPH08145932A (ja) * | 1994-09-20 | 1996-06-07 | Nippon Soken Inc | 湿度センサおよびその製造方法 |
| US5767867A (en) * | 1995-11-27 | 1998-06-16 | Sun Microsystems, Inc. | Method for alpha blending images utilizing a visual instruction set |
| JP2001004579A (ja) * | 1999-06-16 | 2001-01-12 | Shinei Kk | 容量式感湿素子 |
| JP2001056310A (ja) * | 1999-08-20 | 2001-02-27 | Sony Corp | 半導体装置の検査方法 |
| TW507073B (en) * | 2000-03-31 | 2002-10-21 | Tdk Corp | Humidity sensor and method for making |
| JP2002365256A (ja) * | 2001-06-07 | 2002-12-18 | Denso Corp | 湿度センサ |
| US20020142478A1 (en) * | 2001-03-28 | 2002-10-03 | Hiroyuki Wado | Gas sensor and method of fabricating a gas sensor |
| JP2003156464A (ja) * | 2001-11-19 | 2003-05-30 | Denso Corp | 容量式湿度センサ |
| US6765793B2 (en) * | 2002-08-30 | 2004-07-20 | Themis Corporation | Ruggedized electronics enclosure |
| JP3994975B2 (ja) * | 2004-02-27 | 2007-10-24 | 株式会社デンソー | 容量式湿度センサ |
-
2006
- 2006-01-18 JP JP2006009908A patent/JP4732902B2/ja not_active Expired - Fee Related
-
2007
- 2007-01-17 US US11/654,416 patent/US7594435B2/en not_active Expired - Fee Related
- 2007-01-18 CN CN200710084196.7A patent/CN101004398B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US7594435B2 (en) | 2009-09-29 |
| CN101004398B (zh) | 2013-03-06 |
| US20070186649A1 (en) | 2007-08-16 |
| JP2007192622A (ja) | 2007-08-02 |
| HK1110113A1 (en) | 2008-07-04 |
| CN101004398A (zh) | 2007-07-25 |
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