FR2341859B1 - - Google Patents

Info

Publication number
FR2341859B1
FR2341859B1 FR7604428A FR7604428A FR2341859B1 FR 2341859 B1 FR2341859 B1 FR 2341859B1 FR 7604428 A FR7604428 A FR 7604428A FR 7604428 A FR7604428 A FR 7604428A FR 2341859 B1 FR2341859 B1 FR 2341859B1
Authority
FR
France
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.)
Expired
Application number
FR7604428A
Other languages
French (fr)
Other versions
FR2341859A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radiotechnique Compelec RTC SA
Original Assignee
Radiotechnique Compelec RTC SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Radiotechnique Compelec RTC SA filed Critical Radiotechnique Compelec RTC SA
Priority to FR7604428A priority Critical patent/FR2341859A1/fr
Priority to US05/767,565 priority patent/US4140990A/en
Priority to DE2706070A priority patent/DE2706070C2/de
Priority to GB6186/77A priority patent/GB1579701A/en
Priority to JP1467577A priority patent/JPS52100296A/ja
Publication of FR2341859A1 publication Critical patent/FR2341859A1/fr
Application granted granted Critical
Publication of FR2341859B1 publication Critical patent/FR2341859B1/fr
Granted legal-status Critical Current

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
    • G01N27/04—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
    • G01N27/128—Microapparatus

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 Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR7604428A 1976-02-18 1976-02-18 Sonde pour la detection selective de vapeurs, notamment pour la detection de la vapeur d'eau Granted FR2341859A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7604428A FR2341859A1 (fr) 1976-02-18 1976-02-18 Sonde pour la detection selective de vapeurs, notamment pour la detection de la vapeur d'eau
US05/767,565 US4140990A (en) 1976-02-18 1977-02-10 Probe for selectively detecting vapors, water vapor in particular
DE2706070A DE2706070C2 (de) 1976-02-18 1977-02-12 Sonde zum selektiven Detektieren polarer Moleküle in einem Gasgemisch
GB6186/77A GB1579701A (en) 1976-02-18 1977-02-15 Sensor for selectively detecting a constituent of a gaseous medium
JP1467577A JPS52100296A (en) 1976-02-18 1977-02-15 Probe for selective detection of steams

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7604428A FR2341859A1 (fr) 1976-02-18 1976-02-18 Sonde pour la detection selective de vapeurs, notamment pour la detection de la vapeur d'eau

Publications (2)

Publication Number Publication Date
FR2341859A1 FR2341859A1 (fr) 1977-09-16
FR2341859B1 true FR2341859B1 (enExample) 1978-10-13

Family

ID=9169261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7604428A Granted FR2341859A1 (fr) 1976-02-18 1976-02-18 Sonde pour la detection selective de vapeurs, notamment pour la detection de la vapeur d'eau

Country Status (5)

Country Link
US (1) US4140990A (enExample)
JP (1) JPS52100296A (enExample)
DE (1) DE2706070C2 (enExample)
FR (1) FR2341859A1 (enExample)
GB (1) GB1579701A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302530A (en) * 1977-12-08 1981-11-24 University Of Pennsylvania Method for making substance-sensitive electrical structures by processing substance-sensitive photoresist material
DE2908916C2 (de) * 1979-03-07 1986-09-04 Robert Bosch Gmbh, 7000 Stuttgart Widerstandsmeßfühler zur Erfassung des Sauerstoffgehaltes in Gasen, insbesondere in Abgasen von Verbrennungsmotoren und Verfahren zur Herstellung derselben
SE434438B (sv) * 1980-02-21 1984-07-23 Gambro Engstrom Ab Anordning for detektering av forekomsten av en given gaskomponent i en gasblandning
US4455530A (en) * 1982-03-30 1984-06-19 Westinghouse Electric Corp. Conductivity sensor for use in steam turbines
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
JPS6050446A (ja) * 1983-08-31 1985-03-20 Nohmi Bosai Kogyo Co Ltd ガス検出素子とその製造方法
JPS6082954A (ja) * 1983-10-14 1985-05-11 Nohmi Bosai Kogyo Co Ltd ガス検出素子とその製造方法
US4795968A (en) * 1986-06-30 1989-01-03 Sri International Gas detection method and apparatus using chemisorption and/or physisorption
US4780664A (en) * 1986-10-10 1988-10-25 Frank Asuini Corrosion sensor for measuring the corrosion loss and the instantaneous corrosion rate
GB8708201D0 (en) * 1987-04-06 1987-05-13 Cogent Ltd Gas sensor
US4900405A (en) * 1987-07-15 1990-02-13 Sri International Surface type microelectronic gas and vapor sensor
US4858063A (en) * 1987-12-31 1989-08-15 California Institute Of Technology Spiral configuration of electrodes and dielectric material for sensing an environmental property
WO1990015323A1 (en) * 1989-06-02 1990-12-13 Sri International Surface type microelectronic gas and vapor sensor
US5748002A (en) * 1996-01-26 1998-05-05 Phase Dynamics Inc. RF probe for montoring composition of substances
AU7552194A (en) * 1993-07-26 1995-02-20 Phase Dynamics, Inc. System and method for monitoring substances and reactions
US6630833B2 (en) * 1994-07-26 2003-10-07 Phase Dynamics, Inc. Measurement by concentration of a material within a structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223609A (en) * 1961-10-30 1965-12-14 Beckman Instruments Inc Hygrometer
US3954590A (en) * 1972-08-18 1976-05-04 E. I. Du Pont De Nemours And Company Iridium thin ribbon electrodes for electrochemical cells
DE2407110C3 (de) * 1974-02-14 1981-04-23 Siemens AG, 1000 Berlin und 8000 München Sensor zum Nachweis einer in einem Gas oder einer Flüssigkeit einthaltenen Substanz
FR2273275B1 (enExample) * 1974-05-27 1977-03-11 Radiotechnique Compelec

Also Published As

Publication number Publication date
US4140990A (en) 1979-02-20
GB1579701A (en) 1980-11-19
DE2706070A1 (de) 1977-08-25
JPS52100296A (en) 1977-08-23
DE2706070C2 (de) 1985-02-21
FR2341859A1 (fr) 1977-09-16

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Legal Events

Date Code Title Description
ST Notification of lapse