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Campus : Amritapuri
Center : TBI
Year : 2006
Abstract : According to one exemplary embodiment, a method of fabricating an array on a substrate includes forming a layer of a first material adjacent to and over a plurality of segments of a second material on the substrate. The method further includes performing a first CMP process step to form a plurality of segments of the first material, where the plurality of segments of the first material alternate with the plurality of segments of the second material. According to this exemplary embodiment, the method further includes performing a second CMP process step to achieve a target thickness of the plurality of segments of the first material. The first CMP process step comprises a first slurry having particles of a first particle size and the second CMP process step comprises a second slurry having particles of a second particle size, where the second particle size is smaller than the first particle size.