FR2137614B1 - - Google Patents

Info

Publication number
FR2137614B1
FR2137614B1 FR7216352A FR7216352A FR2137614B1 FR 2137614 B1 FR2137614 B1 FR 2137614B1 FR 7216352 A FR7216352 A FR 7216352A FR 7216352 A FR7216352 A FR 7216352A FR 2137614 B1 FR2137614 B1 FR 2137614B1
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.)
Expired
Application number
FR7216352A
Other languages
French (fr)
Other versions
FR2137614A1 (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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2137614A1 publication Critical patent/FR2137614A1/fr
Application granted granted Critical
Publication of FR2137614B1 publication Critical patent/FR2137614B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B35/462—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 based on titanates
    • C04B35/465—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 based on titanates based on alkaline earth metal titanates
    • 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
    • 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
    • H01C7/02—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 positive temperature coefficient
    • H01C7/022—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 positive temperature coefficient mainly consisting of non-metallic substances
    • H01C7/023—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 positive temperature coefficient mainly consisting of non-metallic substances containing oxides or oxidic compounds, e.g. ferrites
    • H01C7/025—Perovskites, e.g. titanates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Ceramic Products (AREA)
  • Thermistors And Varistors (AREA)
FR7216352A 1971-05-07 1972-05-08 Expired FR2137614B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106267.A NL162230C (en) 1971-05-07 1971-05-07 METHOD FOR PREPARING ELECTRICALLY CONDUCTIVE MATERIAL WITH POSITIVE TEMPERATURE COEFFICIENT OF RESISTANCE AND CONDUCTOR MADE FROM THIS MATERIAL

Publications (2)

Publication Number Publication Date
FR2137614A1 FR2137614A1 (en) 1972-12-29
FR2137614B1 true FR2137614B1 (en) 1977-07-22

Family

ID=19813104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216352A Expired FR2137614B1 (en) 1971-05-07 1972-05-08

Country Status (9)

Country Link
US (1) US3830758A (en)
AT (1) AT312743B (en)
BE (1) BE783116A (en)
CA (1) CA982810A (en)
DE (1) DE2221328C3 (en)
FR (1) FR2137614B1 (en)
GB (1) GB1339112A (en)
IT (1) IT960375B (en)
NL (1) NL162230C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7094383B2 (en) * 2004-12-14 2006-08-22 Ctci Foundation Method for preparing pure, thermally stable and high surface area ceria

Also Published As

Publication number Publication date
US3830758A (en) 1974-08-20
NL162230B (en) 1979-11-15
DE2221328C3 (en) 1981-02-26
IT960375B (en) 1973-11-20
AT312743B (en) 1974-01-10
DE2221328A1 (en) 1972-11-23
CA982810A (en) 1976-02-03
BE783116A (en) 1972-11-06
NL7106267A (en) 1972-11-09
DE2221328B2 (en) 1980-06-26
GB1339112A (en) 1973-11-28
NL162230C (en) 1980-04-15
FR2137614A1 (en) 1972-12-29

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Legal Events

Date Code Title Description
ST Notification of lapse