Patent ID: 8822339
Filing Date: 2014-09-02
Classification: C09G,C09K,H01L

Abstract:
1. A chemical mechanical polishing (CMP) slurry composition comprising: an abrasive particle; a dispersant; an ionic polymer additive; and a non-ionic polymer additive comprising a polyolefin-polyethylene glycol copolymer wherein the polyolefin-polyethylene glycol copolymer includes at least two polyethylene glycol repeat units where at least one of the repeat units is a side chain and is represented by Chemical formula 3 or Chemical formula 4: In Chemical formula 3 and 4, l is an integer of 4 to 100, m is an integer of 4 to 250, n is an integer of 4 to 250, and o is an integer of 4 to 250.