Patent ID: 6486080
Filing Date: 2002-11-26
Classification: C23C,H01L

Abstract:
A method to form a metal oxide dielectric layer in the manufacture of an integrated circuit device comprising:providing a substrate; depositing a metal oxide layer overlying said substrate by reacting a precursor with an oxidant gas in a chemical vapor deposition chamber wherein said metal oxide comprises one of the group of: hafnium oxide and zirconium oxide, wherein said precursor comprises one of the group of: hafnium alkoxide, hafnium alkoxide containing halogen, hafnium &bgr;-diketonate, hafnium fluorinated &bgr;-diketonate, hafnium oxoacid, hafnium acetate, hafnium alkene, zirconium alkoxide, zirconium alkoxide containing halogen, zirconium &bgr;-diketonate, zirconium fluorinated &bgr;-diketonate, zirconium oxoacid, zirconium acetate, and zirconium alkene, and wherein said metal oxide is not doped by another metal; and annealing said metal oxide layer to cause densification and to complete the formation of said metal oxide dielectric layer in the manufacture of said integrated circuit device.