BE773674A - Monolithic titanate based capacitors having a low temperature - dependence of permittivity - Google Patents

Monolithic titanate based capacitors having a low temperature - dependence of permittivity

Info

Publication number
BE773674A
BE773674A BE773674A BE773674A BE773674A BE 773674 A BE773674 A BE 773674A BE 773674 A BE773674 A BE 773674A BE 773674 A BE773674 A BE 773674A BE 773674 A BE773674 A BE 773674A
Authority
BE
Belgium
Prior art keywords
dependence
permittivity
monolithic
low temperature
titanate based
Prior art date
Application number
BE773674A
Other languages
French (fr)
Original Assignee
Nl Industries Inc
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 Nl Industries Inc filed Critical Nl Industries Inc
Priority to BE773674A priority Critical patent/BE773674A/en
Publication of BE773674A publication Critical patent/BE773674A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00—Fixed capacitors; Processes of their manufacture
    • H01G4/002—Details
    • H01G4/018—Dielectrics
    • H01G4/06—Solid dielectrics
    • H01G4/08—Inorganic dielectrics
    • H01G4/12—Ceramic dielectrics
    • H01G4/1209—Ceramic dielectrics characterised by the ceramic dielectric material
    • H01G4/1218—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates
    • H01G4/1227—Ceramic dielectrics characterised by the ceramic dielectric material based on titanium oxides or titanates based on alkaline earth 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
    • C04B35/4684—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 containing lead compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

Capacitor having a low temp. dependence of permittivity over a wide temp. range (-50 degrees C to 130 degrees C) comprises alternate layers of (a) fired ceramic contg. (mole %) BaTiO3 (93 - 96) PbBi4Ti4O15 (2.5 - 4.75) and one of BaO.Nb2O5, BaO.Ta2O5, PbO.Nb2O5 and PbO.Ta2O5 (1.0 - 2.25) and (b) Pd - contg. electrodes comprising up to 90 (50 - 90) wt.% Pd, together with Au or Pt.
BE773674A 1971-10-08 1971-10-08 Monolithic titanate based capacitors having a low temperature - dependence of permittivity BE773674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE773674A BE773674A (en) 1971-10-08 1971-10-08 Monolithic titanate based capacitors having a low temperature - dependence of permittivity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE773674A BE773674A (en) 1971-10-08 1971-10-08 Monolithic titanate based capacitors having a low temperature - dependence of permittivity

Publications (1)

Publication Number Publication Date
BE773674A true BE773674A (en) 1972-04-10

Family

ID=3858727

Family Applications (1)

Application Number Title Priority Date Filing Date
BE773674A BE773674A (en) 1971-10-08 1971-10-08 Monolithic titanate based capacitors having a low temperature - dependence of permittivity

Country Status (1)

Country Link
BE (1) BE773674A (en)

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