LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD

A position control system includes a position measurement system including a first position measurement configuration arranged to determine a position of an object in a first operating area and a second position measurement configuration to determine a position of the object in a second operating ar...

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Bibliographische Detailangaben
1. Verfasser:	COX HENRIKUS HERMAN MARIE
Format:	Patent
Sprache:	eng
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:	A position control system includes a position measurement system including a first position measurement configuration arranged to determine a position of an object in a first operating area and a second position measurement configuration to determine a position of the object in a second operating area; and a control unit configured to control a position of the object, the control unit including a first and a second controller, the first and second controllers being arranged to convert an input signal representing a position of the object to a respectively first and second control signal, the control unit being arranged to determine a combined control signal for controlling the position of the object in an overlapping area of the first and second operating area, wherein the combined control signal is obtained by applying a continuous weight function to the first and second control signal.