DE3020138A1 - Feuchtigkeitsanzeigeelement - Google Patents

Feuchtigkeitsanzeigeelement

Info

Publication number
DE3020138A1
DE3020138A1 DE19803020138 DE3020138A DE3020138A1 DE 3020138 A1 DE3020138 A1 DE 3020138A1 DE 19803020138 DE19803020138 DE 19803020138 DE 3020138 A DE3020138 A DE 3020138A DE 3020138 A1 DE3020138 A1 DE 3020138A1
Authority
DE
Germany
Prior art keywords
electrodes
sintered part
humidity
hoffmann
ing
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.)
Granted
Application number
DE19803020138
Other languages
German (de)
English (en)
Other versions
DE3020138C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Tokuji Akiba
Tadao Kato
Keiichi Minegishi
Norio Ogaza
Giichi Sudoh
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.)
Taiheiyo Cement Corp
Original Assignee
Chichibu Cement 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
Application filed by Chichibu Cement Co Ltd filed Critical Chichibu Cement Co Ltd
Publication of DE3020138A1 publication Critical patent/DE3020138A1/de
Application granted granted Critical
Publication of DE3020138C2 publication Critical patent/DE3020138C2/de
Granted 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
    • H01C7/042—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient mainly consisting of inorganic non-metallic substances
    • H01C7/043—Oxides or oxidic compounds
    • H01C7/047—Vanadium oxides or oxidic compounds, e.g. VOx

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Non-Adjustable Resistors (AREA)
DE19803020138 1979-06-07 1980-05-27 Feuchtigkeitsanzeigeelement Granted DE3020138A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP54070608A JPS5814043B2 (ja) 1979-06-07 1979-06-07 湿度センサ素子

Publications (2)

Publication Number Publication Date
DE3020138A1 true DE3020138A1 (de) 1980-12-18
DE3020138C2 DE3020138C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-12-16

Family

ID=13436463

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803020138 Granted DE3020138A1 (de) 1979-06-07 1980-05-27 Feuchtigkeitsanzeigeelement

Country Status (3)

Country Link
US (1) US4344062A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5814043B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3020138A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430255A (en) 1980-04-25 1984-02-07 Bell Telephone Laboratories, Incorporated Non-ohmic device using TiO2
JPS5897801A (ja) * 1981-12-07 1983-06-10 株式会社豊田中央研究所 感湿素子
JPS5996701A (ja) * 1982-11-25 1984-06-04 ティーディーケイ株式会社 感湿素子材料
GB8322418D0 (en) * 1983-08-19 1983-09-21 Emi Ltd Humidity sensor
JPS61291220A (ja) * 1985-06-20 1986-12-22 Tomekichi Nakamura 農工運搬用油圧式動力伝達作動正逆回転駆動装置
JPS628833A (ja) * 1985-07-05 1987-01-16 Tomekichi Nakamura 農工運搬車用変速機付正逆転駆動装置
US5871684A (en) * 1997-07-17 1999-02-16 Hughes Electronics Corporation Method of making lightweight, low thermal expansion microwave structures
US7256542B2 (en) * 2004-02-20 2007-08-14 Au Optronics Corporation Method and device for detecting moisture in electroluminescence display devices
US7726213B2 (en) * 2006-05-11 2010-06-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Opto-mechanical tilt and inertial force sensor
CN107978283B (zh) 2012-06-15 2021-12-10 杜比实验室特许公司 用于控制双调制显示器的系统和方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037175B (de) * 1954-07-24 1958-08-21 British Scient Instr Res Ass Feuchtigkeitsmesseinrichtung mit einem keramischen Halbleiter und Verfahren zu seiner Herstellung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721631A (en) * 1971-08-16 1973-03-20 Shinyei Kaisha Humidity sensors comprising alkalimetal oxide,divanadium pentoxide and silicon
US3748625A (en) * 1972-01-06 1973-07-24 Thunder Scient Corp Moisture sensing element and method of making same
US4015230A (en) * 1975-02-03 1977-03-29 Matsushita Electric Industrial Co., Ltd. Humidity sensitive ceramic resistor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1037175B (de) * 1954-07-24 1958-08-21 British Scient Instr Res Ass Feuchtigkeitsmesseinrichtung mit einem keramischen Halbleiter und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
US4344062A (en) 1982-08-10
DE3020138C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-12-16
JPS55163801A (en) 1980-12-20
JPS5814043B2 (ja) 1983-03-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8339 Ceased/non-payment of the annual fee