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JPS5570734A - Gas sensing element - Google Patents

Gas sensing element

Info

Publication number
JPS5570734A
JPS5570734A JP14408778A JP14408778A JPS5570734A JP S5570734 A JPS5570734 A JP S5570734A JP 14408778 A JP14408778 A JP 14408778A JP 14408778 A JP14408778 A JP 14408778A JP S5570734 A JPS5570734 A JP S5570734A
Authority
JP
Japan
Prior art keywords
catalyzer
gas sensing
sensing element
compound
silicon nitride
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.)
Granted
Application number
JP14408778A
Other languages
Japanese (ja)
Other versions
JPS5848060B2 (en
Inventor
Masaki Katsura
Takashi Takahashi
Tadao Kaneda
Hideaki Hiraki
Masayuki Shiratori
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP53144087A priority Critical patent/JPS5848060B2/en
Publication of JPS5570734A publication Critical patent/JPS5570734A/en
Publication of JPS5848060B2 publication Critical patent/JPS5848060B2/en
Expired legal-status Critical Current

Links

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  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)

Abstract

PURPOSE: To obtain the gas sensing element excellent in the gas detection sensitivity and high temperature stability, by using the silicon nitride giving compound selected from specific metal compound to the gas sensing substance made of metal oxide semiconductor as catalyzer.
CONSTITUTION: Catalyzer is obtained by adding and mixing H2PtCl2.6H2O or PtCl2 solution to silicon nitride powder and immersing it under reduced pressure and drying and sintering it. Next, the said catalyzer is added to the metal oxide semiconductor of ZnO-Cr2O2 system and mixing is made by blending the binder such as methylcellulose to obtain paste. This paste is coated on the surface of the cylindrical insulator 1, and it is sintered at 300W1000°C after drying to obtain the gas sensing element. The compound constituting the catalyzer is Pt, Pd, Rh, Re or selected one from the compound one or more, and the amount of catalyzer is suited to the silicon nitride for 0.05W10wt%.
COPYRIGHT: (C)1980,JPO&Japio
JP53144087A 1978-11-24 1978-11-24 gas sensing element Expired JPS5848060B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53144087A JPS5848060B2 (en) 1978-11-24 1978-11-24 gas sensing element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53144087A JPS5848060B2 (en) 1978-11-24 1978-11-24 gas sensing element

Publications (2)

Publication Number Publication Date
JPS5570734A true JPS5570734A (en) 1980-05-28
JPS5848060B2 JPS5848060B2 (en) 1983-10-26

Family

ID=15353923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53144087A Expired JPS5848060B2 (en) 1978-11-24 1978-11-24 gas sensing element

Country Status (1)

Country Link
JP (1) JPS5848060B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6290530A (en) * 1985-06-24 1987-04-25 Figaro Eng Inc Gas sensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319093A (en) * 1976-08-03 1978-02-21 Osaka Gas Co Ltd Detecting element for co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319093A (en) * 1976-08-03 1978-02-21 Osaka Gas Co Ltd Detecting element for co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6290530A (en) * 1985-06-24 1987-04-25 Figaro Eng Inc Gas sensor

Also Published As

Publication number Publication date
JPS5848060B2 (en) 1983-10-26

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