BE783116A - Procede permettant de preparer du materiau electroconducteur dont la resistance presente un coefficient de temperature positif, etconducteur realise en ce materiau - Google Patents

Procede permettant de preparer du materiau electroconducteur dont la resistance presente un coefficient de temperature positif, etconducteur realise en ce materiau

Info

Publication number
BE783116A
BE783116A BE783116A BE783116A BE783116A BE 783116 A BE783116 A BE 783116A BE 783116 A BE783116 A BE 783116A BE 783116 A BE783116 A BE 783116A BE 783116 A BE783116 A BE 783116A
Authority
BE
Belgium
Prior art keywords
temperature coefficient
positive temperature
whose resistance
resistance shows
conductive made
Prior art date
Application number
BE783116A
Other languages
English (en)
French (fr)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BE783116A publication Critical patent/BE783116A/xx

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)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Thermistors And Varistors (AREA)
  • Ceramic Products (AREA)
BE783116A 1971-05-07 1972-05-05 Procede permettant de preparer du materiau electroconducteur dont la resistance presente un coefficient de temperature positif, etconducteur realise en ce materiau BE783116A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106267.A NL162230C (nl) 1971-05-07 1971-05-07 Werkwijze voor het bereiden van elektrisch geleidend materiaal met posittteve temperatuurcoefficient van de weerstand en uit dit materiaal vervaardigde geleider.

Publications (1)

Publication Number Publication Date
BE783116A true BE783116A (fr) 1972-11-06

Family

ID=19813104

Family Applications (1)

Application Number Title Priority Date Filing Date
BE783116A BE783116A (fr) 1971-05-07 1972-05-05 Procede permettant de preparer du materiau electroconducteur dont la resistance presente un coefficient de temperature positif, etconducteur realise en ce materiau

Country Status (9)

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

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
NL7106267A (it) 1972-11-09
US3830758A (en) 1974-08-20
NL162230C (nl) 1980-04-15
FR2137614A1 (it) 1972-12-29
DE2221328B2 (de) 1980-06-26
NL162230B (nl) 1979-11-15
GB1339112A (en) 1973-11-28
DE2221328C3 (de) 1981-02-26
DE2221328A1 (de) 1972-11-23
FR2137614B1 (it) 1977-07-22
AT312743B (de) 1974-01-10
IT960375B (it) 1973-11-20
CA982810A (en) 1976-02-03

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