Patent ID: 8444728
Filing Date: 2013-05-21
Classification: C09G,C09K,H01L

Abstract:
1. A chemical mechanical polishing composition, comprising, as initial components: water; 0.1 to 20 wt % abrasive having an average particle size of 5 to 50 nm; and, 0.001 to 1 wt % of an adamantyl substance according to formula (II): wherein A is selected from N and P; wherein each R 8 is independently selected from hydrogen, a saturated or unsaturated C 1-15 alkyl group, C 6-15 aryl group, C 6-15 aralkyl group, C 6-15 alkaryl group; and, wherein the anion in formula (II) can be any anion that balances the + charge on the cation in formula (II).