FR2234639A1 - - Google Patents

Info

Publication number
FR2234639A1
FR2234639A1 FR7421532A FR7421532A FR2234639A1 FR 2234639 A1 FR2234639 A1 FR 2234639A1 FR 7421532 A FR7421532 A FR 7421532A FR 7421532 A FR7421532 A FR 7421532A FR 2234639 A1 FR2234639 A1 FR 2234639A1
Authority
FR
France
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
FR7421532A
Other languages
French (fr)
Other versions
FR2234639B1 (en
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug 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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Publication of FR2234639A1 publication Critical patent/FR2234639A1/fr
Application granted granted Critical
Publication of FR2234639B1 publication Critical patent/FR2234639B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
FR7421532A 1973-06-21 1974-06-20 Expired FR2234639B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7049373A JPS5439920B2 (en) 1973-06-21 1973-06-21

Publications (2)

Publication Number Publication Date
FR2234639A1 true FR2234639A1 (en) 1975-01-17
FR2234639B1 FR2234639B1 (en) 1980-03-14

Family

ID=13433087

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421532A Expired FR2234639B1 (en) 1973-06-21 1974-06-20

Country Status (5)

Country Link
US (1) US3913057A (en)
JP (1) JPS5439920B2 (en)
DE (1) DE2429866C3 (en)
FR (1) FR2234639B1 (en)
GB (1) GB1476374A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0207994A1 (en) * 1984-11-08 1987-01-14 Matsushita Electric Industrial Co., Ltd. Oxide semiconductor for thermistor and a method of producing the same
EP0810611A1 (en) * 1996-05-31 1997-12-03 Philips Patentverwaltung GmbH High temperature thermistor containing rare earth metals

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2518894C3 (en) * 1975-04-28 1979-02-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen NTC thermistors for high temperatures
DE2518865C3 (en) * 1975-04-28 1979-03-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen NTC thermistors for high temperatures
DE2518856C3 (en) * 1975-04-28 1979-03-01 Siemens Ag, 1000 Berlin Und 8000 Muenchen NTC thermistors for high temperatures
DE2913279C2 (en) * 1979-04-03 1983-03-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electrical resistance temperature sensor
US4308178A (en) * 1979-09-17 1981-12-29 North American Philips Consumer Electronics Corp. Thermionic cathode emitter coating
CA1147945A (en) * 1979-11-02 1983-06-14 Takayuki Kuroda Oxide thermistor compositions
US4743881A (en) * 1985-05-08 1988-05-10 Motorola, Inc. Ceramic temperature sensor
US4647895A (en) * 1985-05-08 1987-03-03 Motorola, Inc. Ceramic temperature sensor
US4677415A (en) * 1985-05-08 1987-06-30 Motorola, Inc. Ceramic humidity sensor
DE3733193C1 (en) * 1987-10-01 1988-11-24 Bosch Gmbh Robert NTC temperature sensor and process for the production of NTC temperature sensor elements
GB2236750B (en) * 1989-09-08 1993-11-17 United Technologies Corp Ceramic material and insulating coating made thereof
JPH04357165A (en) * 1991-05-29 1992-12-10 Ngk Insulators Ltd Zirconia porcelain and electrochemical element using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2976505A (en) * 1958-02-24 1961-03-21 Westinghouse Electric Corp Thermistors
US3044968A (en) * 1958-05-13 1962-07-17 Westinghouse Electric Corp Positive temperature coefficient thermistor materials
DE1130022B (en) * 1959-06-10 1962-05-24 Westmghouse Electric Corporation East Pittsburgh, Pa (V St A) Thermoelectric device
US3377561A (en) * 1965-07-13 1968-04-09 Bell Telephone Labor Inc Positive temperature coefficient titanate thermistor
DE2139828C3 (en) * 1971-08-09 1974-02-14 Jenaer Glaswerk Schott & Gen., 6500 Mainz Temperature measuring resistor with high thermal shock resistance made of glass ceramic

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0207994A1 (en) * 1984-11-08 1987-01-14 Matsushita Electric Industrial Co., Ltd. Oxide semiconductor for thermistor and a method of producing the same
US4891158A (en) * 1984-11-08 1990-01-02 Matsushita Electric Industrial Co., Ltd. Oxide semiconductor for thermistor and manufacturing method thereof
EP0207994B1 (en) * 1984-11-08 1991-02-20 Matsushita Electric Industrial Co., Ltd. Oxide semiconductor for thermistor and a method of producing the same
EP0810611A1 (en) * 1996-05-31 1997-12-03 Philips Patentverwaltung GmbH High temperature thermistor containing rare earth metals

Also Published As

Publication number Publication date
US3913057A (en) 1975-10-14
DE2429866C3 (en) 1980-11-27
DE2429866B2 (en) 1980-04-03
JPS5439920B2 (en) 1979-11-30
FR2234639B1 (en) 1980-03-14
GB1476374A (en) 1977-06-10
JPS5018961A (en) 1975-02-27
DE2429866A1 (en) 1975-01-16

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Legal Events

Date Code Title Description
ST Notification of lapse