BARIUM TITANATE POWDER, METHOD FOR MANUFACTURING BARIUM TITANATE POWDER, AND CERAMIC ELECTRONIC COMPONENT USING THE SAME

PROBLEM TO BE SOLVED: To provide a barium titanate powder which has a particle diameter in the solid phase method capable of being controlled ≥300 nm, and uniform particle shapes, low-defective high-crystallinity, high dispersibility and low intraparticle porosity, and a narrow particle size distrib...

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Bibliographic Details
Main Authors ISHIDA KEISUKE, OTSUKA KOTA, TAKANE SUSUMU, NAKAHATA ISAO
Format Patent
LanguageEnglish
Published 01.11.2012
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
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Summary:PROBLEM TO BE SOLVED: To provide a barium titanate powder which has a particle diameter in the solid phase method capable of being controlled ≥300 nm, and uniform particle shapes, low-defective high-crystallinity, high dispersibility and low intraparticle porosity, and a narrow particle size distribution containing no ultrafine particle; and to provide a method for manufacturing a barium titanate powder, and a ceramic electronic component using the same.SOLUTION: The barium titanate powder has a perovskite structure, a rectangular parallelpiped or a rectangular parallelpiped-analogous shape, and a specific surface area measured by BET method of ≤3.2 m/g. The barium titanate powder has high crystallinity, high dispersibility, few defects, narrow particle size distribution and low intraparticle porosity and uniform particle shapes.
Bibliography:Application Number: JP20110078355