Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1990-06-28
1992-02-04
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
501136, 501138, 252 623BT, 252520, 252521, C04B 3546
Patent
active
050860216
ABSTRACT:
A dielectric ceramic powder composition for forming multilayer ceramic devices having thin dielectric layers with low porosity and having a dissipation factor which meets or exceeds X7R specifications, and consisting essentially of an admixture of a major component ceramic powder particle and minor component additives the amounts of which are controlled within certain predetermined ratios.
REFERENCES:
patent: 4547314 (1985-10-01), Masuyama et al.
patent: 4861736 (1989-08-01), Ono et al.
Chemical Abstract, "Multilayer Barium Titanate Based Ceramic Capacitor", Takeda et al., JP 63128706 (6/1/88), Matsushita Electric Co.
Chemical Abstract, "Charge for Producing Ferroelectric Ceramic Material", Alekseeva et al., SU 1258825 (9/23/86).
"Dielectric Properties of Barium Titanate Containing Niobium and the Effect of Additives", Borsack et al., pp. 488-492, American Ceramic Soc. Bull., vol. 50, No. 5 (May 1970).
Sasaki Kyoichi
Swanson Donald K.
Dixon Jr. William R.
E. I. Du Pont de Nemours and Company
Marcantoni Paul
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