Patent ID: 8114775
Filing Date: 2012-02-14
Classification: C09G,C09K,H01L

Abstract:
1. A method of polishing comprising the step of movably contacting the surface of an integrated circuit substrate having a metal or metallic compound thereon with a polishing composition comprising: 1) water; 2) an abrasive material; 3) a per-type oxidizer; 4) at least one of: wherein the polishing accelerators are not metal ions removed from the surface of the substrate; and 5) an α,β-dihydroxy enolic compound present in an amount between about 6*10 wherein the α,β-dihydroxy enolic compound comprises a compound of formula 2: wherein R 3 is a moiety comprising between two and four linked atoms independently selected from C, O, S, P, and N having any of single and/or double bonds between adjacent atoms and the α,β-dihydroxy enolic portion can form a 5-, 6-, or 7-member ring, wherein any C, P, or N atom of the R 3 structure independently is optionally substituted with moieties containing between 1 and 20 atoms selected from C, O, S, P, and N in a straight chain, branched chain, or ring-containing structure having any of single and/or double bonds between adjacent atoms.