JPH05307912

PURPOSE:To obtain a dielectric porcelain composition, having a resonant frequency with relatively small change due to temperature and a good reproducibility of a specific inductive capacity, at low sintering temperature. CONSTITUTION:In a dielectric porcelain composition represented by an general fo...

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Bibliographic Details
Main Authors SUZUKI TOSHIYUKI, KAGATA HIROSHI, KATO JUNICHI, NISHIMOTO KEIJI
Format Patent
LanguageEnglish
Published 19.11.1993
Edition5
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CABLES
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
CONDUCTORS
ELECTRICITY
INSULATORS
LIME, MAGNESIA
METALLURGY
REFRACTORIES
RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SLAG
TREATMENT OF NATURAL STONE
WAVEGUIDES
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Summary:PURPOSE:To obtain a dielectric porcelain composition, having a resonant frequency with relatively small change due to temperature and a good reproducibility of a specific inductive capacity, at low sintering temperature. CONSTITUTION:In a dielectric porcelain composition represented by an general formula of Pb1-xCaxZrO3, when x is in the range of 0.3<=x<=0.5, MgO is added at a weight percentage above 0.001 and under 0.5. Thus, a temperature factor of the resonant frequency is improved and the dielectric porcelain composition having a high no-load Q value and a high specific inductive capacity in a microwave region, is obtained.
Bibliography:Application Number: JP19920110568