JP2521860B

PURPOSE:To provide a dielectric ceramic composition having relatively low sintering temperature at the time of preparation, sufficiently high dielectric constant, high resistivity, and small temperature coefficient of electrostatic capacity and give its preparation method. CONSTITUTION:A dielectric...

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Hauptverfasser:	INOE YASUSHI, MIZUNO YOICHI, NARITA NAOTO, TSUJIKU KOICHIRO
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 SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a dielectric ceramic composition having relatively low sintering temperature at the time of preparation, sufficiently high dielectric constant, high resistivity, and small temperature coefficient of electrostatic capacity and give its preparation method. CONSTITUTION:A dielectric ceramic composition consists of a main component represented by a general formula; [PMN]a[PZN]b[PNN]c[PZ]d; and auxiliary components PMW, MgO, and Pb3O4. Its preparation involves mixing the raw materials of those components, calcining them, pulverizing, and sintering.