Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1974-07-01
1976-02-10
Borchelt, Archie R.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
252 632, 252 635, 333 82R, 333 83R, 333 84M, 333 84R, H01P 308, H01P 706, H01P 512, H01B 310
Patent
active
039380645
ABSTRACT:
Devices are described which utilize a low loss dielectric material. This dielectric material is unique in that it combines low dielectric loss with a high and temperature-stable dielectric constant. The material is made up of BaO and TiO.sub.2 and corresponds closely in composition to the compound Ba.sub.2 Ti.sub.9 O.sub.20. Devices utilizing this material are useful at a variety of frequencies, but are particularly advantageous in the microwave region above 0.5 GHz.
REFERENCES:
rase et al., - Phase Equilibria in the System BaO-TiO.sub. 2 in Journal of the American Ceramic Society, Vol. 38, No. 3, Mar. 1955; pp. 102-113.
O'Bryan, Jr. Henry Miles
Pluorde James Kevin
Thomson, Jr. John
Bell Telephone Laboratories Incorporated
Borchelt Archie R.
Nilsen W. G.
Nussbaum Marvin
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