Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Reexamination Certificate
2011-05-17
2011-05-17
Group, Karl E (Department: 1731)
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
Reexamination Certificate
active
07943542
ABSTRACT:
A dielectric ceramic composition of the invention comprises a main component expressed in a compositional formula of (Ba1-x-yCaxSry)m(Ti1-zZrz)O3, a first subcomponent of at least one compound selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu and Y, a second subcomponent of at least one compound selected from Si and Ag.
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Abe Masaru
Sasaki Norio
Umeda Yuji
Group Karl E
Oliff & Berridg,e PLC
TDK Corporation
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