JP2790714B

The present invention provides microwave ceramic dielectric materials having large relative dielectric constant, very large Q, and stable and small temperature coefficient. The ceramic dielectric materials of the present invention are expressed by the general formula: [{BaO}x{TiO2}y{(Sm2O3)1-m-n(SrO...

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Bibliographische Detailangaben
Hauptverfasser:	WATAI HISAO, SAITO KYOSHI, PPONDA TOSHIHISA, UCHIUMI YOSHIKAZU, YAMADA RO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE 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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Beschreibung
Zusammenfassung:	The present invention provides microwave ceramic dielectric materials having large relative dielectric constant, very large Q, and stable and small temperature coefficient. The ceramic dielectric materials of the present invention are expressed by the general formula: [{BaO}x{TiO2}y{(Sm2O3)1-m-n(SrO.CeO2)m(CaO.CeO2)n}z]1-A[SrTiO3]A wherein, 0.1