AT312743B - Verfahren zur Herstellung eines elektrischen, keramischen Widerstandsmaterials mit positivem Temperaturkoeffizienten - Google Patents

Verfahren zur Herstellung eines elektrischen, keramischen Widerstandsmaterials mit positivem Temperaturkoeffizienten

Info

Publication number
AT312743B
AT312743B AT387472A AT387472A AT312743B AT 312743 B AT312743 B AT 312743B AT 387472 A AT387472 A AT 387472A AT 387472 A AT387472 A AT 387472A AT 312743 B AT312743 B AT 312743B
Authority
AT
Austria
Prior art keywords
electrical
production
temperature coefficient
positive temperature
resistance material
Prior art date
Application number
AT387472A
Other languages
English (en)
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
Application granted granted Critical
Publication of AT312743B publication Critical patent/AT312743B/de

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)
AT387472A 1971-05-07 1972-05-04 Verfahren zur Herstellung eines elektrischen, keramischen Widerstandsmaterials mit positivem Temperaturkoeffizienten AT312743B (de)

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
AT312743B true AT312743B (de) 1974-01-10

Family

ID=19813104

Family Applications (1)

Application Number Title Priority Date Filing Date
AT387472A AT312743B (de) 1971-05-07 1972-05-04 Verfahren zur Herstellung eines elektrischen, keramischen Widerstandsmaterials mit positivem Temperaturkoeffizienten

Country Status (9)

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

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
DE2221328A1 (de) 1972-11-23
CA982810A (en) 1976-02-03
GB1339112A (en) 1973-11-28
BE783116A (fr) 1972-11-06
US3830758A (en) 1974-08-20
FR2137614A1 (de) 1972-12-29
NL162230C (nl) 1980-04-15
DE2221328B2 (de) 1980-06-26
NL7106267A (de) 1972-11-09
NL162230B (nl) 1979-11-15
DE2221328C3 (de) 1981-02-26
IT960375B (it) 1973-11-20
FR2137614B1 (de) 1977-07-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee