Patent ID: 6153268
Filing Date: 2000-11-28
Classification: C23C,C30B,H01L

Abstract:
A method for depositing a film of a piezoelectric material, said method comprising the steps ofionizing particles of a piezoelectric material that is to be deposited on the surface of a substrate,and electrostatically attracting said ionized particles to the surface of said substrate to form a film thereon,wherein said steps occur in a reaction chamber into which are introduced an inert gas and a gas that comprises a constituent of said piezoelectric material,wherein said introduced gases are ionized and electrostatically attracted to a target that comprises a constituent of said piezoelectric material,wherein said constituent gas ions combine with the material of said target to form a piezoelectric material,wherein said inert gas ions dislodge particles of said piezoelectric material,and wherein said dislodged particles are ionized by an r-f electric field established within said chamber.