Patent ID: 6258140
Filing Date: 2001-07-10
Classification: C09K,G11B

Abstract:
A polishing composition which comprises the following components (a) to (d):(a) from 0.1 to 50 wt %, based on the total amount of the polishing composition, of at least one silicon dioxide abrasive,b) from 0.0001 to 3.0 wt %, based on the total amount of the polishing composition, of at least one polishing resistance-reducing agent selected from the group consisting of a higher amine halide acid salt, a quaternary ammonium salt, a polyvinyl alcohol, a polyethylene oxide, and salt of polyacrylic acid,(c) from 0.001 to 40 wt %, based on the total amount of the polishing composition, of at least one polishing accelerator selected from the group consisting ethylenediaminetetraacetate-coordinated iron ion, ethylenediaminetetraacetate-coordinated nickel ion, and ethylenediaminetetraacetate-coordinated cobalt ion, and(d) water.