Patent ID: 7053462

Claim:
A structure for use in providing a conductive material in an opening, comprising: a substrate; an insulative material over said substrate; a conductive material formed over at least a portion of a surface of said opening and over at least a portion of the surface of said insulative material outside of said opening, said conductive material forming a bottom electrode of a capacitor; a removable tungsten-containing fill material formed over and in contact with at least a portion of said conductive material which is inside said opening and which is over said insulative material outside of said opening, wherein said tungsten-containing fill material at least partially fills said opening, wherein said tungsten-containing fill material is co-extensive with said conductive material on said insulative material and wherein said conductive material is at least one member selected from the group consisting of transition element metals, Group IIIa metals and Group IVa metals.