Patent ID: 8137580

Claim:
CMP slurry comprising an abrasive, an oxidant, a complexing agent, a pyridine-based compound represented by Formula 1 or Formula 2, and water, wherein n is 1; A represents C 1 ˜C 5 alkylene or C 2 ˜C 5 alkenylene; and each of R 1 and R 2 independently represents H, OH, or CO 2 H; wherein X represents CH or N; each of A 1 , A 2 , and A 3 independently represents NH, C 1 ˜C 5 alkylene or C 2 ˜C 5 alkenylene; each of n, m, and l independently represents an integer 0 or 1, and herein, at least two of n, m, and l are 1; and each of R 1 , R 2 , and R 3 independently represents H, OH, or CO 2 H.