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Modeling Pattern Effects in Oxide CMP
Published online by Cambridge University Press: 01 February 2011
Abstract
We present an extension of the density-stepheight model for pattern effects in oxide CMP which accounts for the roughness of the polishing pad's surface. The model is compared to polishing data for processes using different pressure and speed. Agreement with the data is improved especially in the initial regime of polishing before the pad contacts the down areas.
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- Copyright © Materials Research Society 2005
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