Ceramic dielectric composition

Details Ceramic dielectric composition Ceramic dielectric composition

1981-07-17

1982-07-13

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

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

361321, 501134, C04B 3500, C04B 3546, H01B 312

Patent

active

043395449

ABSTRACT:
A ceramic dielectric composition of a ternary system Pb(Mg.sub.1/3 Nb.sub.2/3)O.sub.3 -Pb(Zn.sub.1/3 Nb.sub.2/3)O.sub.3 -PbTiO.sub.3, comprising 69.05-69.60% by weight of Pb.sub.3 O.sub.4, 2.41-4.00% by weight of MgO, 0.08-3.15% by weight of ZnO, 24.01-26.66% by weight of Nb.sub.2 O.sub.5 and 0.13-2.59% by weight of TiO.sub.2. The composition can be sintered at a low firing temperature less than 1,150.degree. C., and has a high dielectric constant above 10,000.

REFERENCES:
patent: 4265668 (1981-05-01), Fujiwara et al.

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