Patent ID: 9583335
Date: 2017-02-28
CPC Classifications: C07F,C23C,H01L

Claim:
1. A method of depositing a dielectric film on a substrate, the method comprising introducing into a reaction chamber a vapor of a precursor selected from the group consisting of Zr(MeCp)(NMe 2 ) 3 , Zr(EtCp)(NMe 2 ) 3 , ZrCp(NMe 2 ) 3 , Zr(MeCp)(NEtMe) 3 , Zr(EtCp)(NEtMe) 3 , ZrCp(NEtMe) 3 , Zr(MeCp)(NEt 2 ) 3 , Zr(EtCp)(NEt 2 ) 3 , ZrCp(NEt 2 ) 3 , Zr(iPr 2 Cp)(NMe 2 ) 3 , Zr(tBu 2 Cp)(NMe 2 ) 3 , Hf(MeCp)(NMe 2 ) 3 , Hf(EtCp)(NMe 2 ) 3 , HfCp(NMe 2 ) 3 , Hf(MeCp)(NEtMe) 3 , Hf(EtCp)(NEtMe) 3 , HfCp(NEtMe) 3 , Hf(MeCp)(NEt 2 ) 3 , Hf(EtCp)(NEt 2 ) 3 , HfCp(NEt 2 ) 3 , Hf(iPr 2 Cp)(NMe 2 ) 3 , Hf(tBu 2 Cp)(NMe 2 ) 3 , and mixtures thereof; and depositing the dielectric film on the substrate.