BaTiO3 OF PLANAR CRYSTAL, PRECURSOR THEREOF, METHOD FOR PRODUCING THEM, AND GREEN SHEET

PROBLEM TO BE SOLVED: To provide a precursor of BaTiO3, and BaTiO3free from the generation of irregular particles caused by grinding, having a flat-shaped and large-sized crystal plane thin in the thickness direction and realizing the thinning of a green sheet, to provide a method for producing the...

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Hauptverfasser:	KAMIYAMA RIYUUSUKE, MASUDA YOSHITAKE, KAWAMOTO KUNIHITO
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 INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a precursor of BaTiO3, and BaTiO3free from the generation of irregular particles caused by grinding, having a flat-shaped and large-sized crystal plane thin in the thickness direction and realizing the thinning of a green sheet, to provide a method for producing the same, and to provide a green sheet realizing thinning using the BaTiO3. SOLUTION: A mixed aqueous solution in which (NH4)2TiF6, Ba(NO3)2and H3BO3are dissolved is prepared, and a water-soluble cation polymer is added to the mixed aqueous solution, so as to produce a BaTiO3precursor composed of BaTiOF4whose crystals are grown into a planar crystal form. The pH of the mixed aqueous solution is preferably 1.8 or the vicinity thereof, and, as the water-soluble cation polymer, polyacrylamide is used. COPYRIGHT: (C)2009,JPO&INPIT