Patent ID: 7119418
Filing Date: 2006-10-10
Classification: C23C,H01L

Abstract:
1. A deposition composition for depositing material on a substrate, said deposition composition comprising a supercritical fluid and a precursor of the material to be deposited on the substrate, wherein said precursor includes a metal atom, and wherein said material to be deposited comprises a material selected from the group consisting of high-k material, copper diffusion barrier material, nitride material, metal nitride material, barrier layer material, oxynitride barrier layer material, nitride barrier layer material, silicide barrier layer material, and copper seed layer material, with the proviso that when the material to be deposited comprises the copper seed layer material, the precursor comprises at least one copper precursor selected from the group consisting of copper (II) carboxylates, copper (I) cyclopentadienes, copper (I) phenyls, copper (I) amides, and Lewis base adducts of the aforementioned copper (I) species.