BE771767A - SEMICONDUCTOR DEVICES SENSITIVE TO GAS - Google Patents

SEMICONDUCTOR DEVICES SENSITIVE TO GAS

Info

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
Application number
BE771767A
Other languages
French (fr)
Inventor
B Bott
J G Firth
A Jones
T A Jones
Original Assignee
Nat Res Dev
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 Nat Res Dev filed Critical Nat Res Dev
Publication of BE771767A publication Critical patent/BE771767A/en

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)
BE771767A 1970-08-26 1971-08-25 SEMICONDUCTOR DEVICES SENSITIVE TO GAS BE771767A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE2142796A1 (en) 1972-03-02
DE2142796C2 (en) 1984-10-25
FR2106112A5 (en) 1972-04-28

Similar Documents

Publication Publication Date Title
CH520407A (en) Monolithic semiconductor device
BE761239A (en) INTEGRATED SEMICONDUCTOR DEVICES
IT944922B (en) PROCEDURE AND DEVICE FOR ABSORPTION OF GAS
FR1480527A (en) Improvements to photo-emitting semiconductor devices
SE380737B (en) DEVICE FOR FLUIDIZATION OF CERTAIN SUBJECT
SE373646B (en) SEALING DEVICE AT COAL VALVE
AT300423B (en) Gas mixing device
CH524795A (en) Gas chiller
BE771767A (en) SEMICONDUCTOR DEVICES SENSITIVE TO GAS
CH421308A (en) Pressure sensitive semiconductor device
CH533363A (en) Semiconductor device
BE768870A (en) IMPROVEMENTS RELATED TO DISCHARGE DEVICES
BE769574A (en) IMPROVEMENTS MADE TO CARDAGE DEVICES (
BE789681A (en) REDUCING GAS
CH525418A (en) Sealing device
BE757693A (en) ADVANCED AUDIO-SENSITIVE DEVICES
BE765920A (en) REDUCING GAS PRODUCTION
IE35630L (en) Gas detecting device
CH531638A (en) Exhaust gas reactor
CH528823A (en) Semiconductor device
CH530715A (en) Semiconductor device
FR2004483A1 (en) IMPROVEMENTS TO SEMICONDUCTOR DEVICES
BE764290A (en) IMPROVEMENTS TO SEMICONDUCTOR DEVICES
SU387858A1 (en) DEVICE FOR FASTENING OF SEALING BLOCK
SE383581B (en) PROCEDURE FOR MANUFACTURE OF A SEMICONDUCTOR DEVICE

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: NATIONAL RESEARCH DEVELOPMENT CORPORATION

Effective date: 19900831