Lithographic apparatus, device manufacturing method, device manufactured thereby, and computer program

The transmission loss due to surface contamination of a mask MA is predicted as a function of position on the mask and time. At the time of an exposure compensation for the transmission loss is effected using a device capable of adjusting the beam intensity across the length of an exposure field.

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: VAN DER VEEN, PAUL
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The transmission loss due to surface contamination of a mask MA is predicted as a function of position on the mask and time. At the time of an exposure compensation for the transmission loss is effected using a device capable of adjusting the beam intensity across the length of an exposure field.