WO2001053814A3 - Gassensor mit einer gelschicht zur ermittlung des feuchtigkeitsgehaltes - Google Patents
Gassensor mit einer gelschicht zur ermittlung des feuchtigkeitsgehaltes Download PDFInfo
- Publication number
- WO2001053814A3 WO2001053814A3 PCT/DE2001/000120 DE0100120W WO0153814A3 WO 2001053814 A3 WO2001053814 A3 WO 2001053814A3 DE 0100120 W DE0100120 W DE 0100120W WO 0153814 A3 WO0153814 A3 WO 0153814A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- gas
- sensor
- gel layer
- gas sensor
- Prior art date
Links
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0014—Sample conditioning by eliminating a gas
-
- 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
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
- G01N2027/222—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties for analysing gases
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (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)
Abstract
Es wird ein Gassensor zur Ermittlung physikalischer Grössen von Gasen vorgeschlagen, der mit einem Kondensator versehen ist, dessen Dielektrikum (3) derart mit dem Gas in Kontakt steht, dass eine Veränderung der physikalischen Eigenschaften des Gases zu einer entsprechenden Veränderung der Dielektrizitätskonstanten führt. Eine Gelschicht (4) ist auf dem Gassensor (1), der als ein Sensor zur Ermittlung des Feuchtigkeitsgehaltes des Gases ausgeführt ist, im Bereich des Dielektrikums (3) angeordnet. Mit der Gelschicht (4) werden Fremdstoffe, die im vorbeiströmenden Gas vorhanden sind, von der eigentlichen feuchteempfindlichen Schicht (Dielektrikum 3) des Kondensators ferngehalten, während das zu erfassende Wasser für die Feuchtigkeitsmessung diese Schicht (3) leicht durch Diffusion erreichen und wieder verlassen kann.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10002707A DE10002707A1 (de) | 2000-01-22 | 2000-01-22 | Gassensor |
DE10002707.5 | 2000-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001053814A2 WO2001053814A2 (de) | 2001-07-26 |
WO2001053814A3 true WO2001053814A3 (de) | 2002-04-25 |
Family
ID=7628409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/000120 WO2001053814A2 (de) | 2000-01-22 | 2001-01-13 | Gassensor mit einer gelschicht zur ermittlung des feuchtigkeitsgehaltes |
Country Status (3)
Country | Link |
---|---|
US (1) | US20010015089A1 (de) |
DE (1) | DE10002707A1 (de) |
WO (1) | WO2001053814A2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004257950A (ja) * | 2003-02-27 | 2004-09-16 | Denso Corp | 半導体圧力センサ |
JP2004271461A (ja) * | 2003-03-11 | 2004-09-30 | Denso Corp | 容量式湿度センサ |
JP3855950B2 (ja) * | 2003-03-19 | 2006-12-13 | 株式会社デンソー | 容量式湿度センサ |
FR2856897B1 (fr) * | 2003-07-04 | 2007-01-26 | Oreal | Kit, notamment a usage cosmetique, comportant un indicateur ou capteur d'humidite ambiante |
DE102009004393A1 (de) * | 2009-01-08 | 2010-11-11 | Eads Deutschland Gmbh | Akkumulierender Feuchtesensor |
JP5908069B2 (ja) | 2011-06-08 | 2016-04-26 | スリーエム イノベイティブ プロパティズ カンパニー | 湿度センサ及びそのためのセンサ素子 |
EP3168608A1 (de) * | 2015-11-16 | 2017-05-17 | Universite De Montpellier | Verwendung von biopolymeren in einem dielektrischen gassensor |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113400A (en) * | 1981-12-08 | 1983-08-03 | Sharp Kk | Moisture responsive electrical element |
US4571543A (en) * | 1983-03-28 | 1986-02-18 | Southwest Medical Products, Inc. | Specific material detection and measuring device |
US5018380A (en) * | 1989-02-06 | 1991-05-28 | Allied-Signal Inc. | Dielectric sensors |
US5036704A (en) * | 1990-03-23 | 1991-08-06 | Gas Research Institute | Moisture sensor |
US5040411A (en) * | 1989-12-27 | 1991-08-20 | Ppg Industries, Inc. | Windshield moisture sensor |
JPH07335800A (ja) * | 1994-06-08 | 1995-12-22 | Fuji Electric Co Ltd | 半導体装置 |
JPH10153508A (ja) * | 1996-11-26 | 1998-06-09 | Fuji Electric Co Ltd | 半導体圧力センサ |
US5857250A (en) * | 1994-10-25 | 1999-01-12 | Texas Instruments Incorporated | Method of forming a capacitance type gaseous sensing device and apparatus thereof |
-
2000
- 2000-01-22 DE DE10002707A patent/DE10002707A1/de not_active Ceased
-
2001
- 2001-01-13 WO PCT/DE2001/000120 patent/WO2001053814A2/de active Application Filing
- 2001-01-22 US US09/767,816 patent/US20010015089A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113400A (en) * | 1981-12-08 | 1983-08-03 | Sharp Kk | Moisture responsive electrical element |
US4571543A (en) * | 1983-03-28 | 1986-02-18 | Southwest Medical Products, Inc. | Specific material detection and measuring device |
US5018380A (en) * | 1989-02-06 | 1991-05-28 | Allied-Signal Inc. | Dielectric sensors |
US5040411A (en) * | 1989-12-27 | 1991-08-20 | Ppg Industries, Inc. | Windshield moisture sensor |
US5036704A (en) * | 1990-03-23 | 1991-08-06 | Gas Research Institute | Moisture sensor |
JPH07335800A (ja) * | 1994-06-08 | 1995-12-22 | Fuji Electric Co Ltd | 半導体装置 |
US5857250A (en) * | 1994-10-25 | 1999-01-12 | Texas Instruments Incorporated | Method of forming a capacitance type gaseous sensing device and apparatus thereof |
JPH10153508A (ja) * | 1996-11-26 | 1998-06-09 | Fuji Electric Co Ltd | 半導体圧力センサ |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Section EI Week 199833, Derwent World Patents Index; Class S02, AN 1998-382161, XP002180860 * |
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 04 30 April 1996 (1996-04-30) * |
Also Published As
Publication number | Publication date |
---|---|
DE10002707A1 (de) | 2001-08-02 |
US20010015089A1 (en) | 2001-08-23 |
WO2001053814A2 (de) | 2001-07-26 |
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