Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
SEMICONDUCTOR CERAMIC COMPOSITION, METHOD FOR PRODUCING SAME, AND PTC ELEMENT
Provided is a semiconductor ceramic composition that is a lead-free semiconductor ceramic composition in which a portion of Ba in a oxide is substituted by Bi and A (in which A is at least one kind of Na, Li and K), the semiconductor ceramic composition having a region between a center portion and an outer shell portion within a crystal grain, in which when Bi concentration is measured in a radial direction within the crystal grain, the Bi concentration in the region is higher than both Bi concentration in the center portion and Bi concentration in the outer shell portion.
SEMICONDUCTOR CERAMIC COMPOSITION, METHOD FOR PRODUCING SAME, AND PTC ELEMENT
Provided is a semiconductor ceramic composition that is a lead-free semiconductor ceramic composition in which a portion of Ba in a oxide is substituted by Bi and A (in which A is at least one kind of Na, Li and K), the semiconductor ceramic composition having a region between a center portion and an outer shell portion within a crystal grain, in which when Bi concentration is measured in a radial direction within the crystal grain, the Bi concentration in the region is higher than both Bi concentration in the center portion and Bi concentration in the outer shell portion.
SEMICONDUCTOR CERAMIC COMPOSITION, METHOD FOR PRODUCING SAME, AND PTC ELEMENT
HALBLEITERKERAMIKZUSAMMENSETZUNG, VERFAHREN ZUR HERSTELLUNG DAVON UND PTC-ELEMENT
COMPOSITION DE CÉRAMIQUE SEMI-CONDUCTRICE, SON PROCÉDÉ DE FABRICATION ET UN ÉLÉMENT À COEFFICIENT POSITIF DE TEMPÉRATURE (PTC)
SHIMADA TAKESHI (Autor:in) / UEDA ITARU (Autor:in) / INO KENTARO (Autor:in)
25.11.2015
Patent
Elektronische Ressource
Englisch
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