Monolithic ceramic capacitors

Details Monolithic ceramic capacitors Monolithic ceramic capacitors

1996-01-16

1997-08-19

Ledynh, Bot L.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361303, 361305, 3613063, 3613081, 361313, 361320, 3613215, H01G 406, H01G 420, H01G 4228, H01G 220

Patent

active

056594569

ABSTRACT:
Disclosed is a monolithic ceramic capacitor comprising dielectric ceramic layers and inner electrodes wherein each dielectric ceramic layer comprises an essential component having a compositional formula of (1-.alpha.-.beta.)(BaO).sub.m TiO.sub.2 +.alpha.Y.sub.2 O.sub.3 +.beta.(CO.sub.1-x Ni.sub.x)O (where the alkali metal content of BaTiO.sub.3 is not more than 0.03% by weight, 0.0025.ltoreq..alpha..ltoreq.0.03, 0.0025.ltoreq..beta..ltoreq.0.06, 0<.beta./.alpha..ltoreq.6, 0<x.ltoreq.1, 1.000.ltoreq.m.ltoreq.1.035), and a side component consisting of, relative to 100 mols of the essential component, from 0.5 to 3.0 mols of MgO and from 0.05 to 2.0 mols of MnO, and from 0.2 to 3.0 parts by weight 100 parts by weight of the sum of the main component and the side component, of oxide glass of Li.sub.2 O--RO--(Ti,Si)O.sub.2 (where R indicates at least one of Ba, Sr, Ca and Mg). Also disclosed is such a monolithic ceramic capacitor where the Co is replaced by Zn and x is less than 1.

REFERENCES:
patent: 4086649 (1978-04-01), Hanold, III
patent: 5117326 (1992-05-01), Sano et al.

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