CH675634A5 - - Google Patents
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- Publication number
- CH675634A5 CH675634A5 CH2066/88A CH206688A CH675634A5 CH 675634 A5 CH675634 A5 CH 675634A5 CH 2066/88 A CH2066/88 A CH 2066/88A CH 206688 A CH206688 A CH 206688A CH 675634 A5 CH675634 A5 CH 675634A5
- Authority
- CH
- Switzerland
- Prior art keywords
- hygrometer according
- hygrometer
- hygroscopic
- hygroscopic material
- transducer
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 40
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 38
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000000576 coating method Methods 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 18
- 229910052697 platinum Inorganic materials 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910044991 metal oxide Inorganic materials 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920002678 cellulose Polymers 0.000 claims description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 claims description 2
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 description 28
- 239000010410 layer Substances 0.000 description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 14
- 239000003463 adsorbent Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 239000003570 air Substances 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011241 protective layer Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000003795 desorption Methods 0.000 description 5
- 239000000976 ink Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011253 protective coating Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000002048 anodisation reaction Methods 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001508691 Martes zibellina Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- KYAJBRQELLCANX-UHFFFAOYSA-N acetic acid acetylene Chemical compound C#C.CC(O)=O KYAJBRQELLCANX-UHFFFAOYSA-N 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 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
- 239000012080 ambient air Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004534 enameling Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000000037 vitreous enamel Substances 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
- G01N27/04—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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (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)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/057,050 US4793181A (en) | 1987-06-02 | 1987-06-02 | Constant temperature sorption hygrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH675634A5 true CH675634A5 (OSRAM) | 1990-10-15 |
Family
ID=22008211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2066/88A CH675634A5 (OSRAM) | 1987-06-02 | 1988-05-31 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4793181A (OSRAM) |
| JP (1) | JP2620804B2 (OSRAM) |
| CA (1) | CA1314412C (OSRAM) |
| CH (1) | CH675634A5 (OSRAM) |
| DE (1) | DE3818736A1 (OSRAM) |
| FI (1) | FI94556C (OSRAM) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993007758A1 (en) * | 1991-10-18 | 1993-04-29 | British Technology Group Limited | Test apparatus |
| US5365784A (en) * | 1992-04-30 | 1994-11-22 | The United States Of America As Represented By The Secretary Of The Air Force | Humidity sensing apparatus and method |
| FI98567C (fi) * | 1993-09-29 | 1997-07-10 | Vaisala Oy | Impedanssianturi, etenkin radiosondikäyttöön, sekä menetelmä anturin valmistamiseksi |
| JPH08505234A (ja) * | 1993-10-19 | 1996-06-04 | ゲンナディエビチ ウサノフ，ユリー | 湿度センサ |
| FI99164C (fi) * | 1994-04-15 | 1997-10-10 | Vaisala Oy | Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten |
| US5533393A (en) * | 1995-01-13 | 1996-07-09 | Honeywell Inc. | Determination of dew point or absolute humidity |
| US5831146A (en) * | 1996-05-09 | 1998-11-03 | Cts Corporation | Gas sensor with multiple exposed active elements |
| US6012675A (en) * | 1997-12-05 | 2000-01-11 | Cocatre-Zilgien; Jan Henri | Aircraft system monitoring air humidity to locate updrafts |
| FR2784800B1 (fr) * | 1998-10-20 | 2000-12-01 | Commissariat Energie Atomique | Procede de realisation de composants passifs et actifs sur un meme substrat isolant |
| JP2007535662A (ja) * | 2004-04-02 | 2007-12-06 | カミンズ，チモシー | 統合電子センサ |
| WO2007036922A1 (en) * | 2005-09-30 | 2007-04-05 | Timothy Cummins | An integrated electronic sensor |
| US8357958B2 (en) * | 2004-04-02 | 2013-01-22 | Silicon Laboratories Inc. | Integrated CMOS porous sensor |
| DE102004017586A1 (de) * | 2004-04-07 | 2005-10-27 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Gassonde mit beschichteter Schutzeinrichtung |
| US20080096061A1 (en) * | 2006-06-12 | 2008-04-24 | Revolt Technology Ltd | Metal-Air Battery or Fuel Cell |
| US7377171B2 (en) * | 2006-08-15 | 2008-05-27 | General Electric Company | Feedback circuit for radiation resistant transducer |
| US8669131B1 (en) | 2011-09-30 | 2014-03-11 | Silicon Laboratories Inc. | Methods and materials for forming gas sensor structures |
| US9164052B1 (en) | 2011-09-30 | 2015-10-20 | Silicon Laboratories Inc. | Integrated gas sensor |
| US8852513B1 (en) | 2011-09-30 | 2014-10-07 | Silicon Laboratories Inc. | Systems and methods for packaging integrated circuit gas sensor systems |
| US8691609B1 (en) | 2011-09-30 | 2014-04-08 | Silicon Laboratories Inc. | Gas sensor materials and methods for preparation thereof |
| JP5884238B2 (ja) * | 2012-03-05 | 2016-03-15 | ナガノサイエンス株式会社 | 湿度検出装置及びそれを備えた環境試験装置 |
| US10299448B2 (en) * | 2013-07-10 | 2019-05-28 | James Canyon | Method and apparatus to improve crop yields and increase irrigation efficiency in agriculture |
| US9500615B2 (en) * | 2013-08-09 | 2016-11-22 | The Trustees Of Princeton University | Fast response humidity sensor |
| WO2017116499A1 (en) * | 2015-12-28 | 2017-07-06 | The Trustees Of Princeton University | Elastic filament velocity sensor |
| EP3315956A1 (en) * | 2016-10-31 | 2018-05-02 | Sensirion AG | Multi-parametric sensor with bridge structure |
| US11531013B2 (en) | 2017-08-09 | 2022-12-20 | Semitec Corporation | Gas sensor, gas detection device, gas detection method, and device provided with gas sensor or gas detection device |
| CN112697343B (zh) * | 2021-03-23 | 2021-07-16 | 上海艾为微电子技术有限公司 | 电阻桥式压力传感器的检测电路、方法、电子设备及芯片 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1855774A (en) * | 1924-03-04 | 1932-04-26 | Brown Instr Co | Humidity measuring |
| US2237006A (en) * | 1938-04-21 | 1941-04-01 | Gen Electric | Electric hygrometer |
| US2707880A (en) * | 1950-02-18 | 1955-05-10 | Honeywell Regulator Co | Relative humidity measuring apparatus |
| US3075385A (en) * | 1960-12-15 | 1963-01-29 | Clifford M Stover | Hygrometer |
| NL278407A (OSRAM) * | 1961-05-15 | |||
| US3253219A (en) * | 1961-06-01 | 1966-05-24 | Union Oil Co | Method using change of piezoelectric crystal frequency to determine corrosion rate and apparatus therefor |
| US3350941A (en) * | 1965-05-20 | 1967-11-07 | Johnson Service Co | Humidity sensing element |
| US3523244A (en) * | 1967-11-01 | 1970-08-04 | Panametrics | Device for measurement of absolute humidity |
| US3582728A (en) * | 1969-03-06 | 1971-06-01 | Johnson Service Co | Capacitance humidity sensing element |
| US3680364A (en) * | 1970-06-22 | 1972-08-01 | Roger E Carrier | Monitoring humidity |
| US3802268A (en) * | 1971-05-06 | 1974-04-09 | Johnson Service Co | Capacitance humidity sensing element |
| US4164868A (en) * | 1972-10-12 | 1979-08-21 | Vaisala Oy | Capacitive humidity transducer |
| US4143177A (en) * | 1977-01-31 | 1979-03-06 | Panametrics, Inc. | Absolute humidity sensors and methods of manufacturing humidity sensors |
| FI58403C (fi) * | 1979-03-29 | 1981-01-12 | Vaisala Oy | Regleranordning i fuktighetsgivare |
| US4419888A (en) * | 1979-06-14 | 1983-12-13 | Kabushikikaisha Shibaura Denshi Seisakusho | Humidity measuring method |
| JPS5730937A (en) * | 1980-08-04 | 1982-02-19 | Hajime Kano | Humidity measuring method |
| US4379406A (en) * | 1980-09-25 | 1983-04-12 | Bennewitz Paul F | Relative humidity detector systems and method of increasing the calibration period of relative humidity detector systems |
| JPS5770441A (en) * | 1980-10-22 | 1982-04-30 | Hitachi Ltd | Moisture sensitive element |
| DE3131506A1 (de) * | 1981-08-08 | 1983-03-17 | Leybold-Heraeus GmbH, 5000 Köln | Verfahren zum betrieb eines geregelten pirani-vakuummeters und dafuer geeignetes pirani-vakuummeter |
| US4562725A (en) * | 1982-07-31 | 1986-01-07 | Shimadzu Corporation | Moisture sensor and a process for the production thereof |
| JPH053973Y2 (OSRAM) * | 1985-05-10 | 1993-01-29 |
-
1987
- 1987-06-02 US US07/057,050 patent/US4793181A/en not_active Expired - Lifetime
-
1988
- 1988-05-31 CH CH2066/88A patent/CH675634A5/fr not_active IP Right Cessation
- 1988-06-01 FI FI882577A patent/FI94556C/fi not_active IP Right Cessation
- 1988-06-01 DE DE3818736A patent/DE3818736A1/de active Granted
- 1988-06-01 CA CA000568306A patent/CA1314412C/en not_active Expired - Fee Related
- 1988-06-02 JP JP63136619A patent/JP2620804B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2620804B2 (ja) | 1997-06-18 |
| JPS6465443A (en) | 1989-03-10 |
| FI882577L (fi) | 1988-12-03 |
| DE3818736A1 (de) | 1988-12-22 |
| CA1314412C (en) | 1993-03-16 |
| FI94556B (fi) | 1995-06-15 |
| FI94556C (fi) | 1995-09-25 |
| US4793181A (en) | 1988-12-27 |
| DE3818736C2 (OSRAM) | 1991-08-08 |
| FI882577A0 (fi) | 1988-06-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |