JPH0225455B2 - - Google Patents
Info
- Publication number
- JPH0225455B2 JPH0225455B2 JP57215969A JP21596982A JPH0225455B2 JP H0225455 B2 JPH0225455 B2 JP H0225455B2 JP 57215969 A JP57215969 A JP 57215969A JP 21596982 A JP21596982 A JP 21596982A JP H0225455 B2 JPH0225455 B2 JP H0225455B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- added
- parts
- resistance
- amount
- 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.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 17
- 229910052697 platinum Inorganic materials 0.000 claims description 12
- 229910052763 palladium Inorganic materials 0.000 claims description 10
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 9
- 229910001887 tin oxide Inorganic materials 0.000 claims 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 38
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 38
- 239000007789 gas Substances 0.000 description 20
- 230000007257 malfunction Effects 0.000 description 19
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 16
- 229910006404 SnO 2 Inorganic materials 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 11
- 239000001282 iso-butane Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- CVNKFOIOZXAFBO-UHFFFAOYSA-J tin(4+);tetrahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[Sn+4] CVNKFOIOZXAFBO-UHFFFAOYSA-J 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000117 Abnormal behaviour Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- -1 oxides and chlorides Chemical class 0.000 description 1
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21596982A JPS59105552A (ja) | 1982-12-09 | 1982-12-09 | ガス検出素子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21596982A JPS59105552A (ja) | 1982-12-09 | 1982-12-09 | ガス検出素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59105552A JPS59105552A (ja) | 1984-06-18 |
| JPH0225455B2 true JPH0225455B2 (US20030204162A1-20031030-M00001.png) | 1990-06-04 |
Family
ID=16681233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21596982A Granted JPS59105552A (ja) | 1982-12-09 | 1982-12-09 | ガス検出素子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59105552A (US20030204162A1-20031030-M00001.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0340973U (US20030204162A1-20031030-M00001.png) * | 1989-08-30 | 1991-04-19 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5176019B2 (ja) * | 2008-12-22 | 2013-04-03 | 富山県 | Ｔｏｔａｌ−ＶＯＣ検出用ガスセンサ及びその製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556188A (en) * | 1978-06-22 | 1980-01-17 | Westinghouse Electric Corp | Module type shell and tube heat exchanger |
| JPS55136947A (en) * | 1979-04-13 | 1980-10-25 | Matsushita Electric Works Ltd | Gas detecting element |
| JPS5773661A (en) * | 1980-10-25 | 1982-05-08 | Matsushita Electric Works Ltd | Sensing element for combustible gas |
-
1982
- 1982-12-09 JP JP21596982A patent/JPS59105552A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556188A (en) * | 1978-06-22 | 1980-01-17 | Westinghouse Electric Corp | Module type shell and tube heat exchanger |
| JPS55136947A (en) * | 1979-04-13 | 1980-10-25 | Matsushita Electric Works Ltd | Gas detecting element |
| JPS5773661A (en) * | 1980-10-25 | 1982-05-08 | Matsushita Electric Works Ltd | Sensing element for combustible gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0340973U (US20030204162A1-20031030-M00001.png) * | 1989-08-30 | 1991-04-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59105552A (ja) | 1984-06-18 |
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