Multilayer capacitor comprising tungsten-containing BaTiO.sub.3

Details Multilayer capacitor comprising tungsten-containing BaTiO.sub.3 Multilayer capacitor comprising tungsten-containing BaTiO.sub.3

1997-08-26

1999-03-30

Kincaid, Kristine

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

3613215, 501136, 501137, H01G 406

Patent

active

058896473

ABSTRACT:
A capacitor comprising a ceramic dielectric material and at least two electrodes, said dielectric material essentially consisting of a dielectric composition with a doped barium-calcium-zirconium-titanate, said doped barium-calcium-zirconium-titanate having the composition ,
wherein 0.001.ltoreq.y.ltoreq.0.01, 1.00<a.ltoreq.1.02 and being doped with tungsten in a quantity r of 0.001 to 0.005 mol/formula unit and with at least one element A of the group formed by aluminium, gallium, yttrium, zinc, nickel and ytterbium in a quantity s of 0.001 to 0.005 mol/formula unit.

REFERENCES:
patent: 5319517 (1994-06-01), Nomura et al.

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