BANDWIDTH CALCULATION SYSTEM AND METHOD FOR DETERMINING A DESIRED WAVELENGTH BANDWIDTH FOR A MEASUREMENT BEAM IN A MARK DETECTION SYSTEM

Disclosed is a bandwidth calculation system for determining a desired wavelength bandwidth for a measurement beam in a mark detection system, the bandwidth calculation system comprising a processing unit configured to determine the desired wavelength bandwidth based on mark geometry information, e.g...

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Bibliographische Detailangaben
Hauptverfasser:	KLINKHAMER, Jacob Fredrik Friso, WANG, Jia, LI, Hua
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS
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Beschreibung
Zusammenfassung:	Disclosed is a bandwidth calculation system for determining a desired wavelength bandwidth for a measurement beam in a mark detection system, the bandwidth calculation system comprising a processing unit configured to determine the desired wavelength bandwidth based on mark geometry information, e.g. comprising mark depth information representing a depth of a mark. In an embodiment the desired wavelength bandwidth is based on a period and/or a variance parameter of a mark detection error function. The invention further relates to a mark detection system, a position measurement system and a lithographic apparatus comprising the bandwidth calculation system, as well as a method for determining a desired wavelength bandwidth.