| abstract |
The present invention provides a metal-polishing composition for use in chemical mechanical polishing of semiconductor devices, comprising: (a) a compound represented by the following Formula A, (b) a compound represented by the following Formula B, (c) an abrasive grain, and (d) an oxidizing agent: in Formula A, R1 represents an alkyl group having 1 to 3 carbon atoms; and R2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and in Formula B, R3, R4, and R5 each independently represent a hydrogen atom, or an alkyl, aryl, alkoxy, amino, aminoalkyl, hydroxy, hydroxyalkyl, carboxy, carboxyalkyl or carbamoyl group. |