Dielectric ceramic compositions
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsJunichi Kato, Yoichirou Yokotani, Masamitsu Nishida, Hiromu Ouchi
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Abstract
A dielectric ceramic composition consisting essentially of Pb(Mg.sub.1/3 Nb.sub.2/3).sub.x (Zn.sub.1/3 Nb.sub.2/3).sub.y (Fe.sub.2/3 W.sub.1/3).sub.z O.sub.3, wherein x+y+z=1, and further containing MnO.sub.2 in amount of 0.05 to 1.0 weight %.
Claims2
A ceramic composition consisting essentially of Pb(Mg.sub.1/3 Nb.sub.2/3).sub.x (Zn.sub.1/3 Nb.sub.2/3).sub.y (Fe.sub.2/3 W.sub.1/3).sub.z O.sub.3 wherein x+y+z=1 and the proportions of x,y and z fall within the ranges represented by the polygon ABCDE in the accompanying drawing, and further containing MnO.sub.2 in amount of 0.05 to 1.0 wt%.
Dependencies are inferred from the claim text.