Patent ID: 6303231
Filing Date: 2001-10-16
Classification: C01G,C01P,C23C,H01L,Y10T

Abstract:
A ferroelectric capacitor having a ferroelectric thin film, which ferroelectric thin film is formed by applying a coating solution containing Bi, metallic element A (which is at least one metallic element selected from the group consisting of Bi, Pb, Ba, Sr, Ca, Na, K and rare earth elements) and metallic element B (which is at least one metallic element selected from the group consisting of Ti, Nb, Ta, W, Mo, Fe, Co and Cr), wherein it contains metal alkoxides of Bi, metallic element A (A as defined hereabove) and metallic element B (B as defined hereabove) respectively, and contains composite metal alkoxides formed by any two or more of said metal alkoxides, onto an electrode on a substrate and then annealing the applied coating.