Dielectric for microwave applications

Devices are described which incorporate dielectric material with unusually low (and sometimes negative) temperature coefficient of dielectric constant. Such materials make possible the fabrication of microwave devices which remain stable with changing temperature. This is particularly useful for sta...

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Bibliographic Details
Main Authors PLOURDE; JAMES K, THOMSON, JR.; JOHN, O'BRYAN, JR.; HENRY M
Format Patent
LanguageEnglish
Published 07.01.1986
Edition4
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
WAVEGUIDES
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Summary:Devices are described which incorporate dielectric material with unusually low (and sometimes negative) temperature coefficient of dielectric constant. Such materials make possible the fabrication of microwave devices which remain stable with changing temperature. This is particularly useful for stabilization of frequency in microwave sources. Stabilization results from the incorporation of small amounts of tin in ceramic material containing mostly Ba2Ti9O20.
Bibliography:Application Number: US19840686240