A METHOD FOR MODELING MEASUREMENT DATA OVER A SUBSTRATE AREA AND ASSOCIATED APPARATUSES

Disclosed is a method for modeling measurement data over a substrate area and associated apparatus. The method comprises obtaining substrate measurement data describing spatial variation of a substrate parameter; and fitting a model to said substrate measurement data to obtain a fitted model; wherei...

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Hauptverfasser: MAYANK, Mayank, HULSEBOS, Edo, Maria, ROOZE, Joost
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Disclosed is a method for modeling measurement data over a substrate area and associated apparatus. The method comprises obtaining substrate measurement data describing spatial variation of a substrate parameter; and fitting a model to said substrate measurement data to obtain a fitted model; wherein said fitting step comprises regularizing the fitting using a plurality of regularization parameters, said plurality of regularization parameters having been individually optimized to penalize spatial components of said substrate measurement data in accordance with their effect on a parameter of interest.