Patent ID: 6849467

Claim:
A method of forming an H 2 passivation layer in an FeRAM, comprising: preparing a silicon substrate, including doping to form a P-type silicon wafer, including threshold adjustment ion implantation, shallow trench isolation, growth of a gate oxide, deposition of a polysilicon layer, ion implantation to form an N + source and an drain depositing a layer of oxide; smoothing the oxide by CMP, and patterning and etching the polysilicon layer; depositing a layer of TiO x thin film, where 0<x<2, on a damascene structure; plasma splice etching of the TiO x thin film to form a TiO x sidewall; annealing the TiO x side wall thin film to form a TiO 2 thin film; depositing a layer of ferroelectric material; and metallizing to form a FeRAM.