Lithographic apparatus and device manufacturing method

A lithographic apparatus is provided comprising a substrate table WT for holding a substrate W, a projection system PL for projecting the patterned beam onto a target portion of the substrate W, and an isolated reference frame MF for providing a reference surface with respect to which the substrate...

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Hauptverfasser: BARTRAY, PETRUS RUTGERUS, TEN BHOMER, MICHAEL, LUIJTEN, CARLO CORNELIS MARIA, BOX, WILHELMUS JOSEPHUS, MIGCHELBRINK, FERDY, LUTTIKHUIS, BERNARDUS ANTONIUS JOHANNES, KUIT, JAN JAAP
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A lithographic apparatus is provided comprising a substrate table WT for holding a substrate W, a projection system PL for projecting the patterned beam onto a target portion of the substrate W, and an isolated reference frame MF for providing a reference surface with respect to which the substrate W is measured, wherein the reference frame MF comprises a material having a high coefficient of thermal expansion.