JPS5710446A - Gas detecting element - Google Patents

Gas detecting element

Info

Publication number
JPS5710446A
JPS5710446A JP8436880A JP8436880A JPS5710446A JP S5710446 A JPS5710446 A JP S5710446A JP 8436880 A JP8436880 A JP 8436880A JP 8436880 A JP8436880 A JP 8436880A JP S5710446 A JPS5710446 A JP S5710446A
Authority
JP
Japan
Prior art keywords
gas
weight
metal
oxide semiconductor
paste
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
JP8436880A
Other languages
Japanese (ja)
Inventor
Toshisuke Hishii
Nobuaki Shohata
Tokuo Takeuchi
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8436880A priority Critical patent/JPS5710446A/en
Publication of JPS5710446A publication Critical patent/JPS5710446A/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 improve the gas-selecting property of a gas detecting element by using a metal oxide semiconductor containing a metal of Group VIII shown on the periodic table and a compound of the metal and by providing a glass layer containing one of the metals of the same group except the metal contained in the metal oxide semiconductor over the surface of the metal oxide semiconductor. CONSTITUTION:A mixture of SnO2 powder and platinum chloride of 0.01-1mol% is mixed with pure water, filtered, dried and calcined at 700 deg.C. A kneaded paste of the calcined powder and an organic vehicle is applied in accordance with a thick- film printing method to an insulative substrate 4 which previously is provided with an electrode 5 to form a gas-sensitive layer 6. A mixture of glass frit and 0.01- 1wt% palladium chloride is mixed with pure water, filtered and dried. Seventy parts in weight of the powdered mixture and thirty parts in weight of an organic vehicle containing one part in weight of ethyl-cellulose and ten parts in weight of beta- terpineol are mixed and kneaded to prepare a paste. The paste is applied in accordance with a thick film printing method over the gas-sensitive layer 6 to form a glass layer 7. The glass layer 7 is baked at the crystallization temperature. The gas detecting element thus formed is highly sensitive to methane gas.
JP8436880A 1980-06-20 1980-06-20 Gas detecting element Pending JPS5710446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8436880A JPS5710446A (en) 1980-06-20 1980-06-20 Gas detecting element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8436880A JPS5710446A (en) 1980-06-20 1980-06-20 Gas detecting element

Publications (1)

Publication Number Publication Date
JPS5710446A true JPS5710446A (en) 1982-01-20

Family

ID=13828578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8436880A Pending JPS5710446A (en) 1980-06-20 1980-06-20 Gas detecting element

Country Status (1)

Country Link
JP (1) JPS5710446A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139139A2 (en) * 1983-08-31 1985-05-02 Nohmi Bosai Kogyo Co., Ltd. Silane gas sensor and a method of making the same
US5169163A (en) * 1990-07-24 1992-12-08 Ishikawa Gasket Co., Ltd. Steel laminate gasket with main and auxiliary sealing members
JPH1082755A (en) * 1996-08-07 1998-03-31 Lg Electron Inc Hydrocarbon gas sensor and manufacture thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130299A (en) * 1975-05-07 1976-11-12 Fuigaro Giken Kk A gas detector which has selectirity of detectingas

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51130299A (en) * 1975-05-07 1976-11-12 Fuigaro Giken Kk A gas detector which has selectirity of detectingas

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0139139A2 (en) * 1983-08-31 1985-05-02 Nohmi Bosai Kogyo Co., Ltd. Silane gas sensor and a method of making the same
US5169163A (en) * 1990-07-24 1992-12-08 Ishikawa Gasket Co., Ltd. Steel laminate gasket with main and auxiliary sealing members
JPH1082755A (en) * 1996-08-07 1998-03-31 Lg Electron Inc Hydrocarbon gas sensor and manufacture thereof

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