CA1045249A - Humidity sensitive ceramic resistor - Google Patents

Humidity sensitive ceramic resistor

Info

Publication number
CA1045249A
CA1045249A CA261,179A CA261179A CA1045249A CA 1045249 A CA1045249 A CA 1045249A CA 261179 A CA261179 A CA 261179A CA 1045249 A CA1045249 A CA 1045249A
Authority
CA
Canada
Prior art keywords
humidity sensitive
ceramic resistor
consists essentially
sensitive ceramic
resistor according
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
Application number
CA261,179A
Other languages
English (en)
French (fr)
Inventor
Tsuneharu Nitta
Ziro Terada
Shigeru Hayakawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP50113320A external-priority patent/JPS5236791A/ja
Priority claimed from JP50118368A external-priority patent/JPS5242296A/ja
Priority claimed from JP50118369A external-priority patent/JPS5242297A/ja
Priority claimed from JP50118371A external-priority patent/JPS5242299A/ja
Priority claimed from JP50118370A external-priority patent/JPS5242298A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1045249A publication Critical patent/CA1045249A/en
Expired 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
    • G01N27/121—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 for determining moisture content, e.g. humidity, of the fluid
    • 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

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)
  • Non-Adjustable Resistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
CA261,179A 1975-09-18 1976-09-14 Humidity sensitive ceramic resistor Expired CA1045249A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP50113320A JPS5236791A (en) 1975-09-18 1975-09-18 Porcelain composition for himidity sensing resister
JP50118368A JPS5242296A (en) 1975-09-30 1975-09-30 Ceramic composition for moisture-sensitive resistor
JP50118369A JPS5242297A (en) 1975-09-30 1975-09-30 Ceramic composition for moisture-sensitive resistor
JP50118371A JPS5242299A (en) 1975-09-30 1975-09-30 Ceramic composition for moisture-sensitive resistor
JP50118370A JPS5242298A (en) 1975-09-30 1975-09-30 Ceramic composition for moisture-sensitive resistor

Publications (1)

Publication Number Publication Date
CA1045249A true CA1045249A (en) 1978-12-26

Family

ID=27526600

Family Applications (1)

Application Number Title Priority Date Filing Date
CA261,179A Expired CA1045249A (en) 1975-09-18 1976-09-14 Humidity sensitive ceramic resistor

Country Status (5)

Country Link
US (1) US4086556A (enExample)
CA (1) CA1045249A (enExample)
DE (1) DE2641577C3 (enExample)
FR (1) FR2325161A1 (enExample)
GB (1) GB1522870A (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5439197A (en) * 1977-09-02 1979-03-26 Shibaura Denshi Seisakushiyo K Method of making gas detector
DE2821267A1 (de) * 1978-05-16 1979-11-22 Siemens Ag Gassensoren und verfahren zu ihrer herstellung
US4263576A (en) * 1978-07-10 1981-04-21 Murata Manufacturing Co., Ltd. Humidity sensitive device
GB2039370B (en) * 1978-12-20 1983-03-02 Sanyo Silicon Elect Moisture-responsive resistor element
DE2966864D1 (en) * 1978-12-26 1984-05-03 Matsushita Electric Industrial Co Ltd Humidity detecting apparatus using a humidity detecting resistor ceramic element
US4347495A (en) * 1979-01-31 1982-08-31 Rosemount Engineering Company Limited Method of detecting oxygen and an oxygen sensor therefor
JPS5610244A (en) * 1979-07-04 1981-02-02 Matsushita Electric Ind Co Ltd Temperature sensor controlling device
JPS602762B2 (ja) * 1979-09-11 1985-01-23 株式会社村田製作所 湿度検出素子
US4419021A (en) * 1980-02-04 1983-12-06 Matsushita Electric Industrial Co., Ltd. Multi-functional sensing or measuring system
US4378691A (en) * 1980-02-04 1983-04-05 Matsushita Electric Industrial Co., Ltd. Multi-functional sensor
US4321577A (en) * 1980-02-25 1982-03-23 General Electric Company Integral humidity sensor/heater configurations
US4502321A (en) * 1981-02-27 1985-03-05 Capital Controls Apparatus and method for measuring the concentration of gases
US4423407A (en) * 1981-02-27 1983-12-27 Dart Industries Inc. Apparatus and method for measuring the concentration of gases
US4394297A (en) * 1981-05-26 1983-07-19 Phillips Petroleum Company Zinc titanate catalyst
JPS5897801A (ja) * 1981-12-07 1983-06-10 株式会社豊田中央研究所 感湿素子
DE3375212D1 (en) * 1982-02-12 1988-02-11 Matsushita Electric Industrial Co Ltd Humidity sensitive device
US4743881A (en) * 1985-05-08 1988-05-10 Motorola, Inc. Ceramic temperature sensor
JPH03297101A (ja) * 1990-02-28 1991-12-27 Toshiba Corp 電力用抵抗体及びその製造方法
GB2305169A (en) * 1995-09-14 1997-04-02 Univ Napier Solid oxide fuel cells
AU2020256373B2 (en) * 2020-01-07 2021-05-06 Nantong University Humidity sensor chip having three-electrode structure
US12030787B2 (en) * 2023-04-28 2024-07-09 Mohd. Shkir Process for synthesizing rare earth-doped cobalt-chromite pigments for capacitive and resistive humidity sensor applications
EP4473884A1 (en) 2023-06-07 2024-12-11 Versuni Holding B.V. Detecting physical parameters

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL65136C (enExample) 1943-05-07
DE810999C (de) 1944-03-29 1951-08-16 Philips Nv Gesinterter elektrischer Widerstand
DE869097C (de) 1947-01-08 1953-03-02 Philips Nv Verfahren zur Herstellung eines halbleitenden Werkstoffs
US3255324A (en) 1962-05-28 1966-06-07 Energy Conversion Devices Inc Moisture responsive resistance device
US3766098A (en) * 1970-06-22 1973-10-16 Matsushita Electric Industrial Co Ltd Voltage nonlinear resistors
FR2241511B1 (enExample) * 1973-07-13 1977-06-24 Tokyo Shibaura Electric Co

Also Published As

Publication number Publication date
FR2325161A1 (fr) 1977-04-15
GB1522870A (en) 1978-08-31
DE2641577C3 (de) 1979-09-27
US4086556A (en) 1978-04-25
DE2641577B2 (de) 1979-02-01
DE2641577A1 (de) 1977-04-07
FR2325161B1 (enExample) 1981-06-12

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