Patent ID: 8901001
Filing Date: 2014-12-02
Classification: C09G,C09K,H01L

Abstract:
1. A slurry composition, having an amount of 100% and comprising: abrasives, a content thereof being 10 wt % to 40 wt %, and a polydisperse index of abrasives sizes being greater than 1.8; an acid-base pH adjustor, a content thereof being 0.01 wt % to 10 wt %; an oxidant, a content thereof being 0.01 wt % to 10 wt %; a complexing agent capable of increasing a removal rate of a metal when using the slurry composition, a content thereof being 10 ppm to 500 ppm, wherein the complexing agent comprises at least one of citric acid, oxalic acid, ammonium oxalate, tartaric acid, alanine and glycine, and water, wherein a remaining portion of the slurry composition is said water.