Patent ID: 6960675
Filing Date: 2005-11-01
Classification: C07F,C23C,H01L,Y10T

Abstract:
1. A precursor composition comprising at least one tantalum species selected from the group consisting of: (i) tethered amine tantalum complexes of the formula (I): wherein; each of R  wherein m=1, 2, 3, 4, 5 or 6; R n is 1, 2, 3, or 4, but where R (ii) tethered amine tantalum complexes of the formula (II): wherein: each of R  wherein m=1, 2, 3, 4, 5 or 6; R n is 1, 2, 3, or 4, but where R (iii) tantalum amide compounds of the formula (III): wherein: at least one of NR  wherein m=1, 2, 3, 4, 5 or 6, and wherein when only one of NR  the other of NR n is 1, 2, 3, or 4.