JPS57101750A - Detecting element for combustible gas - Google Patents

Detecting element for combustible gas

Info

Publication number
JPS57101750A
JPS57101750A JP17722080A JP17722080A JPS57101750A JP S57101750 A JPS57101750 A JP S57101750A JP 17722080 A JP17722080 A JP 17722080A JP 17722080 A JP17722080 A JP 17722080A JP S57101750 A JPS57101750 A JP S57101750A
Authority
JP
Japan
Prior art keywords
film
platinum
semiconductor layer
protecting film
detecting element
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.)
Pending
Application number
JP17722080A
Other languages
Japanese (ja)
Inventor
Yoshio Ono
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.)
KAAKU KK
Original Assignee
KAAKU KK
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 KAAKU KK filed Critical KAAKU KK
Priority to JP17722080A priority Critical patent/JPS57101750A/en
Priority to US06/248,179 priority patent/US4396899A/en
Priority to EP19820102641 priority patent/EP0063264B1/en
Priority to DE8282102641T priority patent/DE3167758D1/en
Priority to DE8181102856T priority patent/DE3169227D1/en
Priority to EP19810102856 priority patent/EP0038078B1/en
Publication of JPS57101750A publication Critical patent/JPS57101750A/en
Pending 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

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 Fluid Adsorption Or Reactions (AREA)

Abstract

PURPOSE:To prevent the reaction between platinum and a semiconductor layer and to stabilize the resistance of the element by forming a protecting film on a platinum trimming film, and providing the semiconductor layer on said protecting film. CONSTITUTION:The protecting film of 10-15mu of aluminum cement or beryllia cement is formed on the platinum trimming film. The SnO2 series semiconductor layer is provided on the protecting film to detect the electric resistance of the platinum film. In this constitution of the element, the resistance value is stable, secular change does not occur, the sensitivity to alcohol or smoke is not found (characteristic 10 in the Figure), and the sensitivity to LNG, town gas, and LPG is high.
JP17722080A 1980-04-16 1980-12-17 Detecting element for combustible gas Pending JPS57101750A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP17722080A JPS57101750A (en) 1980-12-17 1980-12-17 Detecting element for combustible gas
US06/248,179 US4396899A (en) 1980-04-16 1981-03-30 Platinum thin film resistance element and production method therefor
EP19820102641 EP0063264B1 (en) 1980-04-16 1981-04-14 Method for the manufacture of a temperature sensitive platinum thin film resistance element
DE8282102641T DE3167758D1 (en) 1980-04-16 1981-04-14 Method for the manufacture of a temperature sensitive platinum thin film resistance element
DE8181102856T DE3169227D1 (en) 1980-04-16 1981-04-14 Gas sensor
EP19810102856 EP0038078B1 (en) 1980-04-16 1981-04-14 Gas sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17722080A JPS57101750A (en) 1980-12-17 1980-12-17 Detecting element for combustible gas

Publications (1)

Publication Number Publication Date
JPS57101750A true JPS57101750A (en) 1982-06-24

Family

ID=16027253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17722080A Pending JPS57101750A (en) 1980-04-16 1980-12-17 Detecting element for combustible gas

Country Status (1)

Country Link
JP (1) JPS57101750A (en)

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