Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1996-04-08
1998-10-13
Group, Karl
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 9, 501 32, 501 69, 501 77, C03C 1006, C03C 1400
Patent
active
058211810
ABSTRACT:
Multiphase ceramic materials for use in multilayered device fabrication may be fabricated by providing novel glassy precursor materials of a preferred composition, with operable amounts of a non-glassy filler materials. The combined materials are fired at appropriate temperatures, so that a non-glassy anorthite type phase is formed. Material so fabricated is formed in a self-limiting process, in that reaction between the glassy precursor material and the non-glass filler material is terminated when one constituent of the glassy precursor material is fully consumed. The materials of the instant invention, fabricated according to the method disclosed herein, demonstrate excellent dielectric constant, and electrical loss characteristics.
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Bethke Shelly J.
Chiou Wayne W.
Miesem Ross A.
Pastor Rickey G.
Cunningham Gary J.
Group Karl
Motorola Inc.
Raufer Colin M.
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