Dielectric ceramic composition for low temperature sintering

Details Dielectric ceramic composition for low temperature sintering Dielectric ceramic composition for low temperature sintering

1992-05-26

1995-05-16

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of inorganic material

29 2541, 264 61, 428652, 501134, B32B 900

Patent

active

054159458

ABSTRACT:
A dielectric ceramic composition for low temperature sintering according to the invention is a composition which is a solid solution having two components of Pb(Ni.sub.1/3 Nb.sub.2/3)O.sub.3 --PbTiO.sub.3 and at least one additive component of Pb(Zn.sub.1/2 W.sub.1/2)O.sub.3 and Pb(Cu.sub.1/3 Nb.sub.2/3)O.sub.3, and the mol percents of the components fall within the following ranges: Pb(Ni.sub.1/3 Nb.sub.2/3)O.sub.3 75.0-85.0; PbTiO.sub.3 0-15.0; at least one of Pb(Zn.sub.1/2 W.sub.1/2)O.sub.3 and Pb(Cu.sub.1/3 Nb.sub.2/3)O.sub.3 5.0-16.5. Further, at least one of oxides of Mn, Mg, and Ca below 0.5 mol percent may be added to the above composite.

REFERENCES:
patent: 4379319 (1983-04-01), Killson
patent: 4601988 (1986-07-01), Sakabe et al.
patent: 4661462 (1987-04-01), Sakabe et al.
patent: 4818736 (1989-04-01), Yamashita et al.
patent: 4990202 (1991-02-01), Murata et al.

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