DIELECTRIC MATERIAL AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a novel dielectric material and its manufacturing method. SOLUTION: The dielectric material comprises barium titanate having an average particle size of ≥59 nm and 3,400. The amount of hydroxy groups in the lattice is within the detection limit of infrared absorption...

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Bibliographische Detailangaben
Hauptverfasser:	YASUNO HIROAKI, WADA TOMOSHI, TSURUMI TAKAAKI, KAKEMOTO HIROBUMI, HOSHINA TAKUYA
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CABLES CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONDUCTORS ELECTRICITY INORGANIC CHEMISTRY INSULATORS METALLURGY SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a novel dielectric material and its manufacturing method. SOLUTION: The dielectric material comprises barium titanate having an average particle size of ≥59 nm and 3,400. The amount of hydroxy groups in the lattice is within the detection limit of infrared absorption measurement or thermogravimetric analysis. The manufacturing method of the dielectric material comprises a first step wherein barium titanyl oxalate tetrahydrate is heated in air and a second step wherein a product obtained in the first step is heated under a reduced pressure. Alternatively, the manufacturing method of the dielectric material comprises a first step wherein barium titanyl oxalate tetrahydrate is heated in air and a second step wherein a product obtained in the first step is heated in air. COPYRIGHT: (C)2005,JPO&NCIPI