High K dielectric compositions with fine grain size

Details High K dielectric compositions with fine grain size High K dielectric compositions with fine grain size

1990-06-29

1992-10-13

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

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

501139, C04B 3546

Patent

active

051550725

ABSTRACT:
A composition comprising finely divided particles of modified barium titanate; and an admixture of calcium, titanium and manganese; the modified barium titanate particles containing Zr, Zn and Nb homogeneously distributed on an atomic scale throughout the particles according to the formula:

REFERENCES:
patent: 4463984 (1987-02-01), Abe et al.
patent: 4640905 (1987-02-01), Burn
patent: 4820668 (1989-04-01), Kato et al.
patent: 4829033 (1989-05-01), Menashi et al.
patent: 4855266 (1989-08-01), Burn
3rd European Capacitor and Resistor Technology Symposium (CARTS), Amsterdam, Oct. 9-11, 1989.
Journal of Materials Science, vol. 23, p. 3980, "The Curie Point Temperature of Ba(Ti.sub.1-X Zr.sub.x)O.sub.3 Solid Solutions", Stephen M. Neirman, (1988).
"Square Loop Ba(Ti,Zr)O.sub.3 Capacitors Based on Alkoxide Derived (Ti,Zr)O.sub.2 Powders", First International Conference on Ceramic Powder Processing Science: Orlando, Fla., Nov. 1-4, 1987, Paper No. 103-BP-87F.

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