Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Reexamination Certificate
2007-07-24
2007-07-24
Wu, Shean C (Department: 1756)
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
C501S135000, C501S136000, C501S137000, C501S138000, C252S299010, C252S299670, C428S209000, C428S210000, C428S325000, C428S701000, C174S255000, C174S257000
Reexamination Certificate
active
10880568
ABSTRACT:
The composite dielectric of the present invention contains an aromatic liquid crystal polyester and a dielectric ceramic powder arranged in the aromatic liquid crystal polyester, wherein the dielectric ceramic powder exhibits a Q value greater than 650 at a frequency of 1 GHz by perturbation. A wiring board comprising a composite dielectric sheet made of a composite dielectric having such a characteristic exhibits a high dielectric constant and a low dielectric dissipation factor, thereby yielding less transmission loss, and thus can favorably be used in electronic instruments driven in high-frequency regions.
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patent: A 2004-051867 (2004-02-01), None
Kawabata Ken-ichi
Morita Takaaki
TDK Corporation
Wu Shean C
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