Semiconductive ceramic composition

Details Semiconductive ceramic composition Semiconductive ceramic composition

1987-08-04

1989-08-29

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Titanate, zirconate, stannate, niobate, or tantalate or...

501138, 501139, C04B 3546

Patent

active

048617369

ABSTRACT:
A semiconductive ceramic composition for a reduction reoxidation type semiconductive ceramic capacitor capable of increasing capacitor, dielectric strength of the capacitor and improving temperature characteristics of the capacitor. The composition includes a BaTIO.sub.3 base component and a minor component consisting of Nb and Ce. Nb and Ce are present in amounts of 0.2 to 3.0 mol % on Nb.sub.2 O.sub.5 and CeO.sub.2 bases. Addition of Co and the like increases insulation resistance and D.C. breakdown voltage of the capacitor and further improves temperature characteristics of the capacitor.

REFERENCES:
patent: 4014707 (1977-03-01), Tanaka et al.

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