AT270807B - Voltage-dependent ceramic resistor with positive temperature coefficient - Google Patents

Voltage-dependent ceramic resistor with positive temperature coefficient

Info

Publication number
AT270807B
AT270807B AT1155666A AT1155666A AT270807B AT 270807 B AT270807 B AT 270807B AT 1155666 A AT1155666 A AT 1155666A AT 1155666 A AT1155666 A AT 1155666A AT 270807 B AT270807 B AT 270807B
Authority
AT
Austria
Prior art keywords
voltage
temperature coefficient
positive temperature
ceramic resistor
dependent
Prior art date
Application number
AT1155666A
Other languages
German (de)
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 AT270807B publication Critical patent/AT270807B/en

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
    • H01C7/02—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
    • 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
    • C04B35/468—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 based on barium titanates
    • C04B35/4682—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 based on barium titanates based on BaTiO3 perovskite phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Oxide Ceramics (AREA)
AT1155666A 1965-12-18 1966-12-15 Voltage-dependent ceramic resistor with positive temperature coefficient AT270807B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6516534A NL6516534A (en) 1965-12-18 1965-12-18

Publications (1)

Publication Number Publication Date
AT270807B true AT270807B (en) 1969-05-12

Family

ID=19794963

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1155666A AT270807B (en) 1965-12-18 1966-12-15 Voltage-dependent ceramic resistor with positive temperature coefficient

Country Status (8)

Country Link
US (1) US3674713A (en)
AT (1) AT270807B (en)
BE (1) BE691370A (en)
CH (1) CH495609A (en)
FR (1) FR1505751A (en)
GB (1) GB1171756A (en)
NL (1) NL6516534A (en)
SE (1) SE318642B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794949A (en) * 1973-02-01 1974-02-26 Texas Instruments Inc Solid state motor starting apparatus
US3975307A (en) * 1974-10-09 1976-08-17 Matsushita Electric Industrial Co., Ltd. PTC thermistor composition and method of making the same
DE3681566D1 (en) * 1985-12-06 1991-10-24 Hitachi Ltd Ceramic sinter with high thermal expansion coefficient and a composite body made of the same and metal.
CN115784736B (en) * 2022-11-24 2024-01-26 江苏省陶瓷研究所有限公司 PTC heating ceramic with no orange spots on surface and high temperature resistance and preparation method thereof

Also Published As

Publication number Publication date
DE1665226A1 (en) 1971-01-21
NL6516534A (en) 1967-06-19
DE1665226B2 (en) 1975-08-07
SE318642B (en) 1969-12-15
BE691370A (en) 1967-06-16
US3674713A (en) 1972-07-04
FR1505751A (en) 1967-12-15
CH495609A (en) 1970-08-31
GB1171756A (en) 1969-11-26

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