FR2498329A1 - Hygrometre capacitif a dielectrique mince et son procede de fabrication - Google Patents
Hygrometre capacitif a dielectrique mince et son procede de fabrication Download PDFInfo
- Publication number
- FR2498329A1 FR2498329A1 FR8100890A FR8100890A FR2498329A1 FR 2498329 A1 FR2498329 A1 FR 2498329A1 FR 8100890 A FR8100890 A FR 8100890A FR 8100890 A FR8100890 A FR 8100890A FR 2498329 A1 FR2498329 A1 FR 2498329A1
- Authority
- FR
- France
- Prior art keywords
- layer
- water
- electrode
- hygrometer
- capacitive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 239000011810 insulating material Substances 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims description 3
- 239000003989 dielectric material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 2
- 229920006217 cellulose acetate butyrate Polymers 0.000 claims description 2
- 238000001465 metallisation Methods 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims 1
- 235000013539 calcium stearate Nutrition 0.000 claims 1
- 239000008116 calcium stearate Substances 0.000 claims 1
- 150000001768 cations Chemical class 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 35
- 239000000463 material Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 231100000987 absorbed dose Toxicity 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 150000002343 gold Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- -1 oxy- Chemical class 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- 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
- G01N27/225—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 by using hygroscopic materials
Landscapes
- 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)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8100890A FR2498329A1 (fr) | 1981-01-19 | 1981-01-19 | Hygrometre capacitif a dielectrique mince et son procede de fabrication |
| DE8282400072T DE3268194D1 (en) | 1981-01-19 | 1982-01-15 | Method of making a capacitance humidity sensor with a thin dielectric |
| EP82400072A EP0058102B1 (fr) | 1981-01-19 | 1982-01-15 | Procédé de réalisation d'un hygromètre capacitif à diélectrique mince |
| CA000394346A CA1195011A (fr) | 1981-01-19 | 1982-01-18 | Procede de realisation d'un hygrometre capacitif a dielectrique mince et hygrometre obtenu par ce procede |
| FI820142A FI72393C (fi) | 1981-01-19 | 1982-01-18 | Foerfarande foer framstaellning av en tunt isolerad kapacitiv hygrometer och enligt detta foerfarande framstaelld hygrometer. |
| US06/340,732 US4482581A (en) | 1981-01-19 | 1982-01-19 | Process for the production of a capacitive hygrometer |
| JP57006719A JPS57141546A (en) | 1981-01-19 | 1982-01-19 | Method of manufacturing capacitive hygrometer having thin dielectric and hygrometer obtained thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8100890A FR2498329A1 (fr) | 1981-01-19 | 1981-01-19 | Hygrometre capacitif a dielectrique mince et son procede de fabrication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2498329A1 true FR2498329A1 (fr) | 1982-07-23 |
| FR2498329B1 FR2498329B1 (enExample) | 1985-05-17 |
Family
ID=9254283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8100890A Granted FR2498329A1 (fr) | 1981-01-19 | 1981-01-19 | Hygrometre capacitif a dielectrique mince et son procede de fabrication |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4482581A (enExample) |
| EP (1) | EP0058102B1 (enExample) |
| JP (1) | JPS57141546A (enExample) |
| CA (1) | CA1195011A (enExample) |
| DE (1) | DE3268194D1 (enExample) |
| FI (1) | FI72393C (enExample) |
| FR (1) | FR2498329A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5932857A (ja) * | 1982-08-17 | 1984-02-22 | Murata Mfg Co Ltd | 湿度センサ |
| GB2136130B (en) * | 1983-02-28 | 1987-02-11 | Theodore Henry Krueger | Chemical assay systems and methods |
| DE3313150C1 (de) * | 1983-04-12 | 1984-10-04 | Endress U. Hauser Gmbh U. Co, 7867 Maulburg | Duennschicht-Feuchtsensor zur Messung der absoluten Feuchte und Verfahren zu seiner Herstellung |
| JPS60168044A (ja) * | 1984-02-10 | 1985-08-31 | Sharp Corp | 感湿素子 |
| JPS60188835A (ja) * | 1984-03-08 | 1985-09-26 | Sharp Corp | 感湿素子 |
| DE3413135A1 (de) * | 1984-04-06 | 1985-10-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Messsonde zur erfassung qualitativer aenderungen von fluessigkeiten |
| US5269175A (en) * | 1984-04-06 | 1993-12-14 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Sensor for investigating liquids |
| JPS6157847A (ja) * | 1984-08-29 | 1986-03-24 | Sharp Corp | 電界効果型湿度センサ |
| US4662220A (en) * | 1985-06-20 | 1987-05-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Water-absorbing capacitor system for measuring relative humidity |
| US4795968A (en) * | 1986-06-30 | 1989-01-03 | Sri International | Gas detection method and apparatus using chemisorption and/or physisorption |
| US4894785A (en) * | 1987-09-18 | 1990-01-16 | Fernandes Roosevelt A | High voltage conductor mounted line powered monitoring system |
| US4892709A (en) * | 1987-10-02 | 1990-01-09 | Sri International | Microdevice for gas and vapor sensing |
| US4909070A (en) * | 1987-10-12 | 1990-03-20 | Smith Jeffery B | Moisture sensor |
| JPH02150754A (ja) * | 1988-11-30 | 1990-06-11 | Toshiba Corp | 感応素子の製造方法 |
| FI84862C (fi) * | 1989-08-11 | 1992-01-27 | Vaisala Oy | Kapacitiv fuktighetsgivarkonstruktion och foerfarande foer framstaellning daerav. |
| DE3938026A1 (de) * | 1989-11-13 | 1991-05-16 | Schoettler Lunos Lueftung | Entlueftungsgeraet, insbesondere fuer innenliegende sanitaerraeume |
| JPH0758270B2 (ja) * | 1989-11-27 | 1995-06-21 | 山武ハネウエル株式会社 | 感湿素子の製造方法 |
| JP2753654B2 (ja) * | 1990-11-19 | 1998-05-20 | 理化工業株式会社 | 感湿素子 |
| JPH04110971U (ja) * | 1991-03-13 | 1992-09-25 | 株式会社チノー | 湿度センサ |
| US5273779A (en) * | 1991-12-09 | 1993-12-28 | Industrial Technology Research Institute | Method of fabricating a gas sensor and the product fabricated thereby |
| FI96640C (fi) * | 1993-08-23 | 1996-07-25 | Vaisala Oy | Menetelmä suhteellisen kosteuden mittaamiseksi, etenkin radiosondeissa |
| US5533393A (en) * | 1995-01-13 | 1996-07-09 | Honeywell Inc. | Determination of dew point or absolute humidity |
| DE69728577T2 (de) * | 1997-12-31 | 2005-04-28 | Société d'Applications Electroniques pour la Physique, la Science et l'Industrie | Kapazitive sensoren zur messung der feuchtigkeit und deren verfahren zur herstellung |
| US20110301569A1 (en) | 2001-01-20 | 2011-12-08 | Gordon Wayne Dyer | Methods and apparatus for the CVCS |
| DE60239174D1 (de) * | 2001-05-31 | 2011-03-31 | Ngk Spark Plug Co | Feuchtigkeitssensor |
| EP3162952B1 (en) | 2015-10-26 | 2019-04-03 | Electrolux Appliances Aktiebolag | Laundry drying appliance with capacitive laundry drying degree sensing function |
| JP6624928B2 (ja) * | 2015-12-25 | 2019-12-25 | 株式会社チノー | 多孔質電極の製造方法 |
| CN110088383B (zh) * | 2016-12-28 | 2021-09-07 | 伊莱克斯家用电器股份公司 | 包括湿度传感器的衣物器具 |
| US11686041B2 (en) | 2016-12-28 | 2023-06-27 | Electrolux Appliances Aktiebolag | Appliance with reliable information of a drying cycle |
| AU2018412044B2 (en) * | 2018-03-07 | 2024-11-14 | Electrolux Appliances Aktiebolag | Appliance with capacitive humidity sensor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3350941A (en) * | 1965-05-20 | 1967-11-07 | Johnson Service Co | Humidity sensing element |
| FR1480606A (fr) * | 1965-05-20 | 1967-05-12 | Johnson Service Co | élément sensible à l'humidité |
| US3802268A (en) * | 1971-05-06 | 1974-04-09 | Johnson Service Co | Capacitance humidity sensing element |
| FI48229C (fi) * | 1972-10-12 | 1974-07-10 | Vaisala Oy | Kapasitiivinen kosteusanturi ja sen valmistumenetelmä. |
| FR2339169A1 (fr) * | 1976-01-23 | 1977-08-19 | Commissariat Energie Atomique | Hygrometre a couches monomoleculaires |
| US4203087A (en) * | 1977-01-31 | 1980-05-13 | Panametrics, Inc. | Absolute humidity sensors and methods of manufacturing humidity sensors |
| US4273636A (en) * | 1977-05-26 | 1981-06-16 | Kiyoo Shimada | Selective chemical sensitive field effect transistor transducers |
| JPS54156690A (en) * | 1978-05-31 | 1979-12-10 | Matsushita Electric Ind Co Ltd | Humidity sensing element |
| DE2848034A1 (de) * | 1978-11-06 | 1980-05-14 | Siemens Ag | Kapazitiver feuchtefuehler |
| GB2043908A (en) * | 1979-03-09 | 1980-10-08 | Moisture Control & Mesurement | Humidity Sensor Element |
| DE2938434C2 (de) * | 1979-09-22 | 1981-07-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Kapazitiver Feuchtigkeitsfühler und Verfahren zur Herstellung des Fühlers |
-
1981
- 1981-01-19 FR FR8100890A patent/FR2498329A1/fr active Granted
-
1982
- 1982-01-15 EP EP82400072A patent/EP0058102B1/fr not_active Expired
- 1982-01-15 DE DE8282400072T patent/DE3268194D1/de not_active Expired
- 1982-01-18 FI FI820142A patent/FI72393C/fi not_active IP Right Cessation
- 1982-01-18 CA CA000394346A patent/CA1195011A/fr not_active Expired
- 1982-01-19 US US06/340,732 patent/US4482581A/en not_active Expired - Fee Related
- 1982-01-19 JP JP57006719A patent/JPS57141546A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FI72393B (fi) | 1987-01-30 |
| FI72393C (fi) | 1987-05-11 |
| JPS57141546A (en) | 1982-09-01 |
| FI820142L (fi) | 1982-07-20 |
| CA1195011A (fr) | 1985-10-08 |
| DE3268194D1 (en) | 1986-02-13 |
| EP0058102B1 (fr) | 1986-01-02 |
| FR2498329B1 (enExample) | 1985-05-17 |
| JPH0227620B2 (enExample) | 1990-06-19 |
| EP0058102A1 (fr) | 1982-08-18 |
| US4482581A (en) | 1984-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GC | Lien (pledge) constituted | ||
| ST | Notification of lapse |