Patent ID: 6869638
Filing Date: 2005-03-22
Classification: C07F,C23C,H01L

Abstract:
1. A CVD precursor composition for forming a thin film dielectric on a substrate, such precursor composition including a vapor source reagent-mixture including a metalloamide source reagent compound selected from the group consisting of: wherein M is selected from the group consisting of Zr, Hf, Y, La, Lanthanide series elements, Ta, Ti, Al; N is nitrogen; each of R 1 and R 2 is same or different and is independently selected from the group consisting of H, aryl, perfluoroaryl, C 1 -C 8 alkyl, C 1 -C 8 perfluoroalkyl, alkylsilyl; and x is the oxidation state on metal M; and it is from 1-6; and an aminosilane source reagent compound selected from the group consisting of: wherein H is hydrogen; x is from 0 to 3; Si is silicon; A is a halogen; Y is from 0 to 3; N is nitrogen; each of R 1 and R 2 is same or different and is independently selected from the group consisting of H, aryl, perfluoroaryl, C 1 -C 8 alkyl, and C 1 -C 8 perfluoroalkyl; and n is from 1-6; x is from 0 to 3; Si is silicon; A is a halogen; Y is from 0 to 3; N is nitrogen; n is from 1-6.