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This paper describes advanced methodologies for defect inspection studies and tool matching at sub 60 nm defect size. The methodologies were affirmed by experimental results achieved on different defect inspection systems designed for non-patterned wafers. The defect inspection has been described successfully by the binomial distribution. The reliability of matching of defect inspection systems was improved by using defect maps. It is anticipated that the methodologies will be applicable for defect inspection of both, patterned and non patterned wafers.
Date of Conference: 13-15 Sept. 2005