High frequency dielectric material

Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...

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C04B 35497

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05998323&

ABSTRACT:
This invention provides a composition of high frequency dielectric ceramics represented by the following formula:

REFERENCES:
patent: 5219808 (1993-06-01), Kagata et al.
patent: 5459115 (1995-10-01), Kagata et al.
patent: 5565391 (1996-10-01), Nakano et al.
S. B. Desu, et al., Journal of the American Ceramic Society, vol. 68, No. 10, pp. 546 to 551, "Microwave Loss Quality of BaZn.sub.1/3 Ta.sub.2/3 O.sub.3 Ceramics", 1985* No month.
Junichi Kato, et al., Japanese Journal of Applied Physics, vol. 31, Pt. 1, No. 9B, pp. 3144 to 3147, Dielectric Properties Of (PbCa) (MeNb)O.sub.3 At Microwave Frequencies, 1992* No month.
Junichi Kato, et al., Japanese Journal of Applied Physics, vol. 30, No. 9B, pp. 2343 to 2346, "Dielectric Properties Of Lead Alkaline-Earth Zirconate At Microwave Frequencies", Sep. 1991.
Shoichiro Nomura, et al., Japanese Journal of Applied Physics, vol. 22, No. 7, pp. 1125 to 1128, Effect of Mn Doping On The Dielectric Properties of Ba.sub.2 Ti.sub.9 O.sub.20 Ceramics At Microwave Frequency, Jul. 1983.
Susumu Nishigaki, et al., American Ceramic Society Bulletin, vol. 66, No. 9, pp. 1405 to 1410, "Microwave Dielectric Properties Of (Ba, Sr)O-Sm.sub.2 O.sub.3 -TiO.sub.2 Ceramics", 1987 No month.
K. Wakino, et al., Journal of the American Ceramic Society, vol. 67, No. 4, pp. 278 to 281, Microwave Characteristics Of (Zr,Sn)TiO.sub.4 And BaO-PbO-Nd.sub.2 O.sub.3 -TiO.sub.2 Dielectric Resonators, Apr. 1984.
W. Wersing, High Frequency Ceramic Dielectrics, pp. 67 to 119, "High Frequency Ceramic Dielectrics And Their Application For Microwave Components" No date.

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