Patent ID: 8512593

Claim:
A chemical mechanical polishing (CMP) slurry composition, comprising: (a) a metal oxide; (b) a pH-adjusting agent; (c) a non-ionic perfluoroalkyl sulfonyl compound; and (d) a quaternary ammonium surfactant wherein the non-ionic perfluoroalkyl sulfonyl compound comprises a compound represented by Formula 1: CF 3 (CF 2 ) n SO 2 X (1) wherein n is an integer from 1 to about 20; X is selected from the group consisting of COOR, OR, (OCH 2 CH 2 ) m OCH 2 CH 3 and (OCH 2 CH(OH)CH 2 ) m OCH 2 CH(OH)CH 3 ; R is a C 1-20 alkyl group; and m is an integer from 1 to about 100.