Patent ID: 7544240
Filing Date: 2009-06-09
Classification: B41J,C23C,H01L

Abstract:
1. A composition for ferroelectric thin film formation, comprising at least a colloidal solution containing metals serving as materials for making a ferroelectric thin film, said colloidal solution having an average colloidal particle diameter of 1 to 100 nm, and having a particle size distribution having two or more peaks, wherein the metals serving as the materials for making the ferroelectric thin film include at least Pb, Zr and Ti, and the colloidal solution comprises: (a) colloidal particles comprising lead acetate; (b) colloidal particles comprising lead acetate and zirconium acetylacetonate stabilized by water molecules; and (c) colloidal particles comprising titanium alkoxides and lead acetate chelate-stabilized by amines.