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SEMICONDUCTOR PORCELAIN COMPOSITION, POSITIVE TEMPERATURE COEFFICIENT ELEMENT, AND HEAT-GENERATING

2025-06-18 01:252730下载
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The present invention provides a semiconductor ceramic composition which is represented by a composition formula of [(Bi-A) x (Ba 1-y R y ) 1-x ](Ti 1-z M z ) a O 3 (in which A is at least one kind of Na, Li and K, R is at least one kind of rare earth elements (including Y), and M is at least one kind of Nb, Ta and Sb), in which a, x, y and z satisfy 0.90‰¤a‰¤1.10, 0
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