Patent ID: 6447887
Filing Date: 2002-09-10
Classification: B82Y,H01L,Y10T

Abstract:
An electrostatic self-assembly (ESA) method of fabricating a thin film assembly comprising (i) a substrate and (ii) a film comprising a plurality of organic-containing layers in contact in series disposed upon said substrate, said method comprising:(a) depositing on said substrate a first organic-containing layer, from a solvent solution, comprising ions having a same charge; and (b) depositing on said first layer in a sequential manner at least one subsequent organic-containing layer, from a solvent solution, wherein each at least one subsequent layer comprises ions having a same charge which is opposite to the charge of an immediately preceding layer; wherein at least one of i) said first layer and ii) said at least one subsequent layer comprises a dipolar material, and is at most 500 nm thick, to produce said thin film assembly to have a piezoelectric coefficient d33 of at least 10.8 pC/N.