Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Reexamination Certificate
2008-11-21
2010-10-19
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
C428S210000, C428S325000, C428S697000, C428S702000, C264S614000, C264S615000, C361S321400
Reexamination Certificate
active
07816293
ABSTRACT:
A ceramic mixed system is proposed that includes a two-phase mixture of pure components A and B, wherein phase A is based on the cubic to tetragonal modification of Bi3NbO7and phase B is based on a monoclinic pyrochlore modification of Bi2(Zn2/3Nb4/3)O7. The electrical properties of ceramics produced therefrom make the material suitable for components having a multilayer structure in which capacitors and inductors are integrated and which can be used in data processing or signal processing.
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Nino, J., et al.,“Bi-pyrochlores—Processing, Structure and Properties,” Center for Dielectric Studies, CDS Fall Meeting, Oct. 16, 2001, 39 pages.
Chen, S.-Y., et al., “Phase transformation, reaction kinetics and microwave characteristics of Bi2O3-ZnO-Nb2O5ceramics,” Journal of the European Ceramic Society, vol. 23, 2003, pp. 873-881.
Valant, M., et al., “Dielectric Properties of the Fluorite-Like Bi2O3-Nb2O5Solid Solution and the Tetragonal Bi3NbO7,” Journal of the American Ceramic Society, Jun. 2003, pp. 939-944, vol. 86, No. 6.
Wang, X., et al., “Structures, Phase Transformations, and Dielectric Properties of Pyrochlores Containing Bismuth,” Journal of the American Ceramic Society, 1997, pp. 2745-2748, vol. 80, No. 10.
Aguado, E., et al., “Síntesis, caracterización estructural y medidas de conductividad de Bi3NbO7,” Boletin de la Sociedad Española de Cerámica y Vidrio Articulo, Sep.-Dec. 1995, pp. 417-420, vol. 34 No. 5-6.
Dudesek Pavol
Hoffman Christian
Suvorov Danilo
Valant Matjaz
EPCOS AG
Group Karl E
Slater & Matsil L.L.P.
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