Process-metrology reproducibility bands for lithographic photomasks

A photomask lithography simulation model is created for making a semiconductor chip. Poor metrology is filtered and removed from a contour-specific metrology dataset to improve performance of the photomask. Filtering is performed by the application of a weighting scheme.

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Bibliographische Detailangaben
Hauptverfasser: Miller, Marshal A, Halle, Scott D, Bailey, Todd C, Graur, Ioana C
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A photomask lithography simulation model is created for making a semiconductor chip. Poor metrology is filtered and removed from a contour-specific metrology dataset to improve performance of the photomask. Filtering is performed by the application of a weighting scheme.