CERAMIC POWDER AND MULTI-LAYER CERAMIC CAPACITOR

PROBLEM TO BE SOLVED: To provide: a ceramic powder that has a wide range of optimum sintering temperatures and excellent productivity and is particularly useful in the formation of thin dielectric layers of 1 μm or less, and that contains, as a main composition, barium titanate powder having a perov...

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Bibliographische Detailangaben
1. Verfasser:	MIZUNO YOICHI
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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide: a ceramic powder that has a wide range of optimum sintering temperatures and excellent productivity and is particularly useful in the formation of thin dielectric layers of 1 μm or less, and that contains, as a main composition, barium titanate powder having a perovskite structure; and an MLCC product by a high yield by the same.SOLUTION: A ceramic powder includes, as a main composition, barium titanate powder having a perovskite structure with an average particle size (median size) of 200 nm or smaller as measured by SEM observation, wherein the barium titanate powder is such that the percentage of barium titanate particles having twin defects in the barium titanate powder is 13% or more as measured by TEM observation and that its crystal lattice c/a is 1.0080 or more.