DIELECTRIC CERAMIC MATERIAL, AND METHOD FOR PRODUCING COARSE PARTICLE OF PEROVSKITE-TYPE COMPOSITE OXIDE USED THEREFOR

PROBLEM TO BE SOLVED: To provide a dielectric ceramic material which can be loaded in an amount of at least 30 vol% into the resin that constitutes a composite dielectric and which can heighten the permittivity of the composite dielectric without requiring the loading in a higher proportion than hit...

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Bibliographische Detailangaben
1. Verfasser:	TANABE SHINJI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS 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 COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE ELECTRICITY INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a dielectric ceramic material which can be loaded in an amount of at least 30 vol% into the resin that constitutes a composite dielectric and which can heighten the permittivity of the composite dielectric without requiring the loading in a higher proportion than hitherto.SOLUTION: A dielectric ceramic material includes coarse particles of a perovskite (ABO)-type composite oxide which have an average particle diameter of ≥8 to ≤50 μm and a BET specific surface area of ≥0.3 to ≤1.0 m/g and fine particles of a perovskite (ABO)-type composite oxide which have an average particle diameter of ≥0.7 to ≤3 μm and a BET specific surface area of ≥0.6 to ≤3 m/g.