Patent ID: 6306217
Filing Date: 2001-10-23
Classification: C23C

Abstract:
A chemical vapor deposition system comprising:a deposition chamber having a semiconductor substrate or substrate assembly positioned therein;a vessel containing a precursor composition comprising one or more complexes of the formula: ##STR5##wherein:M is a transition metal selected from the group consisting of IB, IIB, IIIB, IVB, VB, VIB, VIIB, and VIIIB metals;each R group is independently H, a hydrocarbyl group, a halogenated hydrocarbyl group, a halide, or a silylated hydrocarbyl group, with the proviso that R.sup.3 and R.sup.4 are both methyl and optionally tie R groups are replaced by multiple bonds between backbone atoms in the structure;each L group is independently H, a hydrocarbyl group, a halogenated hydrocarbyl group, a silylated hydrocarbyl group, or a halide;x=1 to 3;n=0 to 4; andy=0 to 4.