A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SEMICONDUCTOR CERAMIC COMPOSITION AND PTC THERMISTOR
A semiconductor ceramic composition represented by formula (1), (Ba v Bi x A y RE w ) m (Ti u TM z )O 3 (1), wherein, A represents at least one element selected from Na and K, RE represents at least one element selected from Y, La, Ce, Pr, Nd, Sm, Gd, Dy and Er; 0.750 y ¤ x ¤ 1.50 y 0.007 ¤ y ¤ 0.125 0 ¤ w + z ¤ 0.010 v + x + y + w = 1 u + z = 1 0.950 ¤ m ¤ 1.050 0.001 to 0.055 mol of Ca is contained, and 0.0005 to 0.005 mol of at least one selected from Mg, Al, Fe, Co, Cu and Zn is contained.
SEMICONDUCTOR CERAMIC COMPOSITION AND PTC THERMISTOR
A semiconductor ceramic composition represented by formula (1), (Ba v Bi x A y RE w ) m (Ti u TM z )O 3 (1), wherein, A represents at least one element selected from Na and K, RE represents at least one element selected from Y, La, Ce, Pr, Nd, Sm, Gd, Dy and Er; 0.750 y ¤ x ¤ 1.50 y 0.007 ¤ y ¤ 0.125 0 ¤ w + z ¤ 0.010 v + x + y + w = 1 u + z = 1 0.950 ¤ m ¤ 1.050 0.001 to 0.055 mol of Ca is contained, and 0.0005 to 0.005 mol of at least one selected from Mg, Al, Fe, Co, Cu and Zn is contained.
SEMICONDUCTOR CERAMIC COMPOSITION AND PTC THERMISTOR
HALBLEITERKERAMIKZUSAMMENSETZUNG UND PCT THERMISTORELEMENT
COMPOSITION DE CÉRAMIQUE SEMI-CONDUCTRICE ET ELÉMENT THERMISTOR PCT
FUJITA KAZUTAKA (author) / ITOH KAZUHIKO (author) / SHIMURA YOSHIKAZU (author) / MORIKOSHI HIROKI (author) / TERADA TOMOHIRO (author)
2017-08-09
Patent
Electronic Resource
English