BE771767A - SEMICONDUCTOR DEVICES SENSITIVE TO GAS - Google Patents
SEMICONDUCTOR DEVICES SENSITIVE TO GASInfo
- Publication number
- BE771767A BE771767A BE771767A BE771767A BE771767A BE 771767 A BE771767 A BE 771767A BE 771767 A BE771767 A BE 771767A BE 771767 A BE771767 A BE 771767A BE 771767 A BE771767 A BE 771767A
- Authority
- BE
- Belgium
- Prior art keywords
- gas
- semiconductor devices
- devices sensitive
- sensitive
- semiconductor
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
-
- 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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4106170 | 1970-08-26 | ||
GB4106270 | 1970-08-26 | ||
GB1100271 | 1971-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE771767A true BE771767A (en) | 1971-12-31 |
Family
ID=27256610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE771767A BE771767A (en) | 1970-08-26 | 1971-08-25 | SEMICONDUCTOR DEVICES SENSITIVE TO GAS |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE771767A (en) |
DE (1) | DE2142796C2 (en) |
FR (1) | FR2106112A5 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH615996A5 (en) * | 1973-08-03 | 1980-02-29 | Nohmi Bosai Kogyo Co Ltd | Instrument for indicating carbon monoxide. |
US4080564A (en) * | 1975-10-02 | 1978-03-21 | Matsushita Electric Industrial Co., Ltd. | Humidity sensitive resistor device |
DE2648373C2 (en) * | 1976-10-26 | 1986-01-02 | Robert Bosch Gmbh, 7000 Stuttgart | Semiconductors for sensors for determining the content of oxygen and / or oxidizable components in exhaust gases |
US4225559A (en) * | 1979-01-22 | 1980-09-30 | Ford Motor Company | Ceramic element sensor |
US4359709A (en) * | 1979-07-06 | 1982-11-16 | Matsushita Electric Industrial Co., Ltd. | Combustible gas sensor |
DE2942516C2 (en) * | 1979-10-20 | 1982-11-11 | Drägerwerk AG, 2400 Lübeck | Gas detection element for the detection of hydrogen sulfide |
US4423407A (en) * | 1981-02-27 | 1983-12-27 | Dart Industries Inc. | Apparatus and method for measuring the concentration of gases |
US4569826A (en) * | 1983-06-27 | 1986-02-11 | Kabushiki Kaisha Toshiba | Gas detecting element |
FR2579754B1 (en) * | 1985-04-02 | 1987-07-31 | Centre Nat Rech Scient | NITRIDES AND OXYNITRIDES USEFUL AS SELECTIVE DETECTORS OF REDUCING GASES IN THE ATMOSPHERE, AND DETECTION DEVICE CONTAINING THEM |
CN109813760A (en) * | 2019-02-28 | 2019-05-28 | 江苏理工学院 | A kind of zinc oxide nanowire gas sensor and preparation method thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3051895A (en) * | 1955-04-21 | 1962-08-28 | Robert L Carson | Gas detection |
US3479257A (en) * | 1966-11-25 | 1969-11-18 | Gen Electric | Methods and apparatus for measuring the content of hydrogen or reducing gases in an atmosphere |
US3558280A (en) * | 1968-11-05 | 1971-01-26 | Westinghouse Electric Corp | Solid state oxygen gauge |
GB1257155A (en) * | 1969-02-06 | 1971-12-15 |
-
1971
- 1971-08-25 BE BE771767A patent/BE771767A/en not_active IP Right Cessation
- 1971-08-26 FR FR7131064A patent/FR2106112A5/en not_active Expired
- 1971-08-26 DE DE19712142796 patent/DE2142796C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2142796A1 (en) | 1972-03-02 |
DE2142796C2 (en) | 1984-10-25 |
FR2106112A5 (en) | 1972-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: NATIONAL RESEARCH DEVELOPMENT CORPORATION Effective date: 19900831 |