ES2129446T3 - Sensores de gas a base de oxido de estaño. - Google Patents

Sensores de gas a base de oxido de estaño.

Info

Publication number
ES2129446T3
ES2129446T3 ES92907534T ES92907534T ES2129446T3 ES 2129446 T3 ES2129446 T3 ES 2129446T3 ES 92907534 T ES92907534 T ES 92907534T ES 92907534 T ES92907534 T ES 92907534T ES 2129446 T3 ES2129446 T3 ES 2129446T3
Authority
ES
Spain
Prior art keywords
sensor
tin oxide
concentration
gases
gas
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
Application number
ES92907534T
Other languages
English (en)
Inventor
Brian Malcolm Morganite Smith
Gary Stephen Vaughan Coles
Geraint Williams
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.)
BG Group Ltd
British Gas PLC
Original Assignee
BG PLC
British Gas PLC
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
Priority claimed from GB919107228A external-priority patent/GB9107228D0/en
Priority claimed from GB919107216A external-priority patent/GB9107216D0/en
Application filed by BG PLC, British Gas PLC filed Critical BG PLC
Application granted granted Critical
Publication of ES2129446T3 publication Critical patent/ES2129446T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
    • 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
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/20—Oxygen containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/20—Oxygen containing
    • Y10T436/207497—Molecular oxygen
    • Y10T436/209163—Dissolved or trace oxygen or oxygen content of a sealed environment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/22—Hydrogen, per se

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

LOS SENSORES DE OXIDO DE ESTAÑO SE HACEN CON LA MEZCLA DE UN MATERIAL SOPORTE DE ANTIMONIO CON OXIDO DE ESTAÑO EN POLVO Y SE FORMAN CON LA DEPOSICION DE UN BARRO DE LA MEZCLA SOBRE UN SUSTRATO, SU SECADO Y SINTETIZADO, EL MATERIAL SOPORTE DE ANTIMONIO APARECE EN UNA CANTIDAD SUFICIENTE COMO PARA CEDER LA SENSIBILIDAD DE SENSOR A UNO O MAS GASES H2, CO, CH4, DE FORMA RELATIVAMENTE INDEPENDIENTE A LA CONCENTRACION DE OXIGENO EN LA ESCALA PO2 10-4 ESTAÑO TIENE TAL RESISTENCIA QUE LA MEDICION DE LA TEMPERATURA AUMENTA CON LA CONCENTRACION DE AL MENOS UNO DE LOS GASES A MEDIR, EL SENSOR SE REALIZA POR CALCINACION DEL OXIDO DE ESTAÑO AL AIRE A UNA TEMPERATURA QUE EXCEDE LOS 1400O C, O DE OTRA FORMA TRATANDO EL OXIDO DE FORMA QUE TENGA UN ESTADO CONSTANTE DE AÑADIDO FISICO FORMADO DE TAL MANERA. A UNA SEGUNDA TEMPERATURA DE MEDICION LA RESISTENCIA DEL SENSOR A DICHO GAS SE REDUCE CON EL INCREMENTO DE LA CONCENTRACION DE GAS.LA RESISTENCIA DEPENDE DE LA CONCENTRACION DE DIVERSOS GASES, LA DEPENDENCIA DE DIFERENTES TEMPERATURAS DE MEDICION ES TAL QUE CUANDO SE MIDE LA RESISTENCIA DEL SENSOR A VARIAS TEMPERATURAS DE MEDICION LA COMPOSICION DEL GAS LA COMPOSICION DEL GAS A QUE ESTA EXPUESTO EL SENSOR SE PUEDE CALCULAR. UN SISTEMA PARA EL SENSOR PUEDE MONTARSE SOBRE UN SUSTRATO NORMAL Y TIENE UNOS MEDIOS CALEFACTORES QUE MANTIENEN EL SENSOR A DIFERENTES TEMPERATURAS. COMO TAL SISTEMA SE INCLUYE UN SENSOR SOPORTE DE ANTIMONIO U OTROS SENSORES DE OXIDO DE ESTAÑO.
ES92907534T 1991-04-05 1992-04-03 Sensores de gas a base de oxido de estaño. Expired - Lifetime ES2129446T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919107228A GB9107228D0 (en) 1991-04-05 1991-04-05 Tin oxide gas sensors
GB919107216A GB9107216D0 (en) 1991-04-05 1991-04-05 Suppression of gas cross-sensitivity in tin oxide gas sensors

Publications (1)

Publication Number Publication Date
ES2129446T3 true ES2129446T3 (es) 1999-06-16

Family

ID=26298694

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92907534T Expired - Lifetime ES2129446T3 (es) 1991-04-05 1992-04-03 Sensores de gas a base de oxido de estaño.

Country Status (7)

Country Link
US (1) US5427740A (es)
EP (2) EP0806657A3 (es)
JP (2) JP3046353B2 (es)
DE (1) DE69228180T2 (es)
ES (1) ES2129446T3 (es)
HK (1) HK1003540A1 (es)
WO (1) WO1992017773A1 (es)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9408542D0 (en) * 1994-04-29 1994-06-22 Capteur Sensors & Analysers Gas sensing resistors
JP3669807B2 (ja) * 1996-06-28 2005-07-13 大阪瓦斯株式会社 一酸化炭素検出センサー
EP0851222A1 (en) * 1996-12-31 1998-07-01 Corning Incorporated Metal oxide semiconductor catalyst hydrocarbon sensor
US6849239B2 (en) 2000-10-16 2005-02-01 E. I. Du Pont De Nemours And Company Method and apparatus for analyzing mixtures of gases
JP3711953B2 (ja) * 2002-03-15 2005-11-02 株式会社デンソー ガスセンサ用センシング膜の製造方法
EP1492945A1 (en) * 2002-04-05 2005-01-05 E. I. du Pont de Nemours and Company Method and apparatus for controlling a gas-emitting process and related devices
US20040126286A1 (en) * 2002-06-19 2004-07-01 Deruyter John C. Method and apparatus for reducing a nitrogen oxide
US7575931B2 (en) * 2002-06-19 2009-08-18 E.I. Du Pont De Nemours And Company Method and apparatus for reducing a nitrogen oxide, and control thereof
US20040018715A1 (en) * 2002-07-25 2004-01-29 Applied Materials, Inc. Method of cleaning a surface of a material layer
KR20110115621A (ko) * 2003-03-26 2011-10-21 이 아이 듀폰 디 네모아 앤드 캄파니 가스 혼합물의 분석 장치
US8236246B2 (en) * 2004-10-07 2012-08-07 E I Du Pont De Nemours And Company Gas sensitive apparatus
WO2010044935A2 (en) * 2008-10-16 2010-04-22 Apollo, Inc. Sensitive materials for gas sensing and method of making same
DE102012110095A1 (de) * 2012-10-23 2014-04-24 Unitronic Ag Verfahren zur Gasdetektion und entsprechende Gas-Sensorvorrichtung
JP2014178199A (ja) * 2013-03-14 2014-09-25 Fuji Electric Co Ltd 薄膜式ガスセンサ及びその検査方法
JP6347976B2 (ja) * 2014-03-31 2018-06-27 新コスモス電機株式会社 水素ガスセンサ及び水素ガス検知方法
WO2016048216A1 (en) * 2014-09-24 2016-03-31 Tellusecure Ab Package screening device
CN104880492A (zh) * 2015-06-01 2015-09-02 吉林大学 W6+掺杂NiO氧化物半导体二甲苯传感器、制备方法及其应用
JP6687931B2 (ja) * 2016-08-25 2020-04-28 フィガロ技研株式会社 ＳｎＯ２系ガスセンサ
JP6411567B2 (ja) * 2017-03-09 2018-10-24 富士電機株式会社 薄膜式ガスセンサの検査方法
CN110726759A (zh) * 2019-10-31 2020-01-24 大连海事大学 一种二氧化锡量子点的制备方法、气体传感器及其制备方法
DE112020005838T5 (de) * 2019-11-28 2022-09-08 Sony Group Corporation Gasdetektionsverfahren und informationsverarbeitungsvorrichtung

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5023317B1 (es) * 1969-12-19 1975-08-06
GB1282993A (en) * 1970-05-22 1972-07-26 Naoyoshi Taguchi Gas detecting devices
GB1288009A (es) * 1970-09-22 1972-09-06
US4030340A (en) * 1976-07-22 1977-06-21 General Monitors, Inc. Hydrogen gas detector
JPS53143298A (en) * 1977-05-19 1978-12-13 Nohmi Bosai Kogyo Co Ltd Carbon monoxide sensor element
JPS54121796A (en) * 1978-03-15 1979-09-21 Fujitsu Ltd Gas detecting element material composition
JPS59119249A (ja) * 1982-12-25 1984-07-10 Nohmi Bosai Kogyo Co Ltd 一酸化炭素の検出素子とその製造方法
JPS59188549A (ja) * 1983-04-11 1984-10-25 Shinkosumosu Denki Kk ２端子形半導体ガス検知素子
CH667331A5 (de) * 1983-08-30 1988-09-30 Cerberus Ag Vorrichtung zum nachweis von gasfoermigen verunreinigungen in luft mittels eines gassensors.
US4542640A (en) * 1983-09-15 1985-09-24 Clifford Paul K Selective gas detection and measurement system
GB8329005D0 (en) * 1983-10-31 1983-11-30 Atomic Energy Authority Uk Sensors
US4614669A (en) * 1983-12-30 1986-09-30 Westinghouse Electric Corp. Antimony-doped stannic oxide thick film gas sensor
CA1227384A (en) * 1983-12-30 1987-09-29 Westinghouse Electric Corporation Antimony-doped stannic oxide thick film gas sensor
US4701739A (en) * 1984-03-30 1987-10-20 Figaro Engineering Inc. Exhaust gas sensor and process for producing same
GB8427004D0 (en) * 1984-10-25 1984-11-28 Atomic Energy Authority Uk Sensors
JPS61223644A (ja) * 1985-03-29 1986-10-04 Nohmi Bosai Kogyo Co Ltd 水素ガス検出素子及びその製法
GB8516389D0 (en) * 1985-06-28 1985-07-31 Coles G S V Gas sensors
JPS62223019A (ja) * 1986-03-19 1987-10-01 Taki Chem Co Ltd 結晶質酸化スズ・アンチモンゾル及びその製造方法
JPH07104310B2 (ja) * 1986-09-29 1995-11-13 フイガロ技研株式会社 排気ガスセンサおよびその製造方法
US4911892A (en) * 1987-02-24 1990-03-27 American Intell-Sensors Corporation Apparatus for simultaneous detection of target gases
IT1228121B (it) * 1988-12-23 1991-05-28 Eniricerche Spa Sensore a stato solido per determinare la concentrazione di idrogeno e/o nox e relativo procedimento di preparazione
GB9006176D0 (en) * 1990-03-19 1990-05-16 Morganite Electronic Instr Gas sensors

Also Published As

Publication number Publication date
WO1992017773A1 (en) 1992-10-15
DE69228180T2 (de) 1999-07-29
EP0579639B1 (en) 1999-01-13
EP0579639A1 (en) 1994-01-26
JP3046353B2 (ja) 2000-05-29
JPH06507013A (ja) 1994-08-04
EP0806657A3 (en) 2001-12-12
HK1003540A1 (en) 1998-10-30
EP0806657A2 (en) 1997-11-12
JP3350686B2 (ja) 2002-11-25
US5427740A (en) 1995-06-27
DE69228180D1 (de) 1999-02-25
JPH1194786A (ja) 1999-04-09

Similar Documents

Publication Publication Date Title
ES2129446T3 (es) Sensores de gas a base de oxido de estaño.
Penza et al. NOx gas sensing characteristics of WO3 thin films activated by noble metals (Pd, Pt, Au) layers
ES2208713T3 (es) Dispositivo sensor de gas.
Zhao et al. All-optical hydrogen sensor based on a high alloy content palladium thin film
US3694164A (en) Carbon dioxide sensors
CN105301064B (zh) 具有环境温、湿度自补偿能力的In2O3基热线型半导体气体传感器
US4072467A (en) Combustible gas detectors
JPS59120945A (ja) 水素選択性センサ
US7910373B2 (en) H2O doped WO3, ultra-fast, high-sensitivity hydrogen sensors
Kanefusa et al. High sensitivity H 2 S gas sensors
ATE3470T1 (de) Selektiver gassensor hoher empfindlichkeit und stabilitaet zum nachweis und zur messung des verunreinigungsgehaltes von luft auf der basis von metalloxidhalbleitern.
Getino et al. Integrated sensor array for gas analysis in combustion atmospheres
US5185130A (en) Solid-state sensor for determining hydrogen and/or nox concentration and the method for its preparation
US7426851B2 (en) Gas sensor unit and method of forming the same
Torvela et al. Detection of CO levels in combustion gases by thick-film SnO2 sensor
Williams et al. Detection of sensor poisoning using self-diagnostic gas sensors
Choi et al. Determining ultra-low moisture permeation measurement for sealants on OLED encapsulation
GB2177215A (en) Gas sensors and methods of their fabrication
Yoo et al. Gas-sensing characteristics of semiconducting materials based on In2O3 depending on composition changes
GB2192710A (en) Gas sensor
Yun et al. Abnormal current-voltage characteristics of WO3-doped SnO2 oxide semiconductors and their applications to gas sensors
JPS6029898B2 (ja) 感ガスおよび感湿素子
Viricelle et al. Gas sensors based on tin dioxide for exhaust gas application, modeling of response for pure gases and for mixtures
Park et al. Acetone Gas‐sensing Properties of Multiple‐networked Pd‐decorated Bi2O3 Nanorod Sensors
RU174115U1 (ru) Гибкий интегральный газовый сенсор озона

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 579639

Country of ref document: ES