CPC C09G 1/02 (2013.01) | 7 Claims |
1. A chemical mechanical polishing solution, consisting of cerium oxide, a polyacrylic acid, a polyether amine, water, and a pH regulator, wherein said polyether amine is:
![]() wherein X is 3-68;
wherein a molecular weight of said polyether amine is 230-4,000;
wherein a content of said polyether amine is 1-400 ppm;
wherein a content of said polyacrylic acid is 400-1,500 ppm; and
wherein a pH of the chemical mechanical polishing solution ranges from 4 to 5.
|