BE881051A - Elements sensibles pour la detection des gaz et vapeurs combustibles - Google Patents

Elements sensibles pour la detection des gaz et vapeurs combustibles Download PDF

Info

Publication number
BE881051A
BE881051A BE0/198890A BE198890A BE881051A BE 881051 A BE881051 A BE 881051A BE 0/198890 A BE0/198890 A BE 0/198890A BE 198890 A BE198890 A BE 198890A BE 881051 A BE881051 A BE 881051A
Authority
BE
Belgium
Prior art keywords
emi
vapors
detection
sensitive elements
combustible gases
Prior art date
Application number
BE0/198890A
Other languages
English (en)
Original Assignee
Dauchot Jean
Hecq Andre
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 Dauchot Jean, Hecq Andre filed Critical Dauchot Jean
Priority to BE0/198890A priority Critical patent/BE881051A/fr
Publication of BE881051A publication Critical patent/BE881051A/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/075—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thin film techniques
    • H01C17/12—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thin film techniques by sputtering
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (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)

Description


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assurée par effet tunnel entre les ilôts constituant la couche. 

  
 <EMI ID=14.1> 

  
beaucoup plus _élevée Bais do signe oppose. Ce type de couche est 

  
 <EMI ID=15.1> 

  
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La grande sensibilité des couches discontinues, peut cependant 

  
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 <EMI ID=19.1>   <EMI ID=20.1> 

  
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Celle-ci dépend du mode de préparation de 1* Échantillon et pour 

  
 <EMI ID=26.1>  <EMI ID=27.1> 

  
 <EMI ID=28.1> 

  
 <EMI ID=29.1> 
- centration critique pour -laquelle, la surface passe brutalement  d'un recouvrement en oxygène A un recouvrement M monoxyde d&

  
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 <EMI ID=37.1> 

  
 <EMI ID=38.1> 

  
d'alumine en régime radiofréquence et d'une électrode de platine en courant continu. Un tourniquet fait passer successivement l'échantillon au-dessus des deux électrodes. 

  
Les conditions de décharge fixent le rapport platine-isolant

  
 <EMI ID=39.1> 

  
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pour: pour les échantillons riches en*. 

  
platine, soit du type décrit 2? pour les échantillons pauvres 

  
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Claims (1)

  1. <EMI ID=42.1>
    <EMI ID=43.1>
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    <EMI ID=46.1>
    <EMI ID=47.1>
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    Par le fait que si le produit sensible est du point de vue
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    <EMI ID=50.1>
    <EMI ID=51.1>
    Béat proches l'un de l'autre pour que la conduction soit assurée par m
    <EMI ID=52.1>
    <EMI ID=53.1>
BE0/198890A 1980-01-09 1980-01-09 Elements sensibles pour la detection des gaz et vapeurs combustibles BE881051A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE0/198890A BE881051A (fr) 1980-01-09 1980-01-09 Elements sensibles pour la detection des gaz et vapeurs combustibles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE0/198890A BE881051A (fr) 1980-01-09 1980-01-09 Elements sensibles pour la detection des gaz et vapeurs combustibles
BE881051 1980-01-09

Publications (1)

Publication Number Publication Date
BE881051A true BE881051A (fr) 1980-05-02

Family

ID=25651847

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/198890A BE881051A (fr) 1980-01-09 1980-01-09 Elements sensibles pour la detection des gaz et vapeurs combustibles

Country Status (1)

Country Link
BE (1) BE881051A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000687A1 (fr) * 1987-07-11 1989-01-26 Kernforschungszentrum Karlsruhe Gmbh Fabrication de couches ceramiques inertes a effet catalytique ou sensibles aux gaz pour capteurs de gaz
US5279855A (en) * 1987-07-11 1994-01-18 ROTH-Tecknik GmbH & Co. Forschung fur Automobil und Umwelttechnik Manufacture of inert, catalytic or gas-sensitive ceramic layers for gas sensors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989000687A1 (fr) * 1987-07-11 1989-01-26 Kernforschungszentrum Karlsruhe Gmbh Fabrication de couches ceramiques inertes a effet catalytique ou sensibles aux gaz pour capteurs de gaz
US5279855A (en) * 1987-07-11 1994-01-18 ROTH-Tecknik GmbH & Co. Forschung fur Automobil und Umwelttechnik Manufacture of inert, catalytic or gas-sensitive ceramic layers for gas sensors

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HECQ ANDRE

Effective date: 19840109

Owner name: DAUCHOT JEAN

Effective date: 19840109