Barium titanate-based semiconductor ceramic composition and barium titanate-based semiconductor ceramic device

A barium titanate-based semiconductor ceramic composition which can be used for PTC thermistors for temperature sensors and which has characteristics, including a linear characteristic, advantageous for such PTC thermistors and a barium titanate-based semiconductor ceramic device. The barium titanat...

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Hauptverfasser:	KAWASE YOICHI, NABIKA YASUHIRO, OKUDA SYUNSUKE, HIRATA YUICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CABLES CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CONDUCTORS ELECTRICITY INSULATORS LIME, MAGNESIA METALLURGY REFRACTORIES RESISTORS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A barium titanate-based semiconductor ceramic composition which can be used for PTC thermistors for temperature sensors and which has characteristics, including a linear characteristic, advantageous for such PTC thermistors and a barium titanate-based semiconductor ceramic device. The barium titanate-based semiconductor ceramic composition is represented by the formula (Ba(1-v-w)MevSrw)TixO3+ySiO2, wherein Me is at least one of Er, Sm, Ce, and La, 0.001 v 0.005, 0.42 w 0.49, 0.99 x 1.03, and 0.002 y 0.030.