| 摘要 |
<p>The invention provides a polishing composition comprising (i) an abrasive comprising (a) 5 to 45 wt.% of first abrasive particles having a Mohs hardness of 8 or more, (b) 1 to 45 wt.% of second abrasive particles having a three-dimensional structure comprising aggregates of smaller primary particles, and (c) 10 to 90 wt.% of third abrasive particles comprising silica, and (ii) a liquid carrier. The invention also provides a method of polishing a substrate, which method comprises the steps of (i) providing the above-described polishing composition, (ii) providing a substrate having a surface, and (iii) abrading at least a portion of the substrate surface with the polishing composition to polish the substrate.</p> |
