Patent ID: 7090786
Filing Date: 2006-08-15
Classification: C09G,C09K

Abstract:
1. An aqueous dispersion for chemical/mechanical polishing comprising: (A) abrasive grains that are ceria particles, (B) at least one compound selected from the group consisting of 2-bromo-2-nitro-1,3-propanediol, 2-bromo-2-nitro-1,3-butanediol, 2,2-dibromo-2-nitroethanol, and 2,2-dibromo-3-nitrilopropionamide, and (C) an organic component other than the compounds of component (B) where the organic component (C) comprises at least one selected from the group consisting of a potassium salt of polyacrylic acid, an ammonium salt of polyacrylic acid, ammonium citrate and ammonium dodecylbenzenesulfonate.