Patent ID: 7059941
Filing Date: 2006-06-13
Classification: C09G,C09K,H01L

Abstract:
1. A process for selectively increasing a ratio of a polishing rate of an insulating film to that of a stopper film, wherein the insulating film and the stopper film are included in a substrate, said process comprising applying to the substrate a polishing composition having a pH of from 10 to 13, wherein the polishing composition comprises at least one compound selected from the group consisting of: (A) a monoamine compound represented by Formula (I): wherein each of R (B) a diamine compound represented by Formula (II): wherein each of R wherein each of R (C) a monoamine compound represented by Formula (IV): wherein each of R (i) at least one of R (ii) in a case where at least one of R (D) a polyamine having at least three amino groups in its molecule; (E) an ether group-containing amine; and (F) a heterocyclic compound having nitrogen atom.