MODULATOR CIRCUITRY

The invention relates to a modulator for modulating the magnitude of a beamlet in a multi-beamlet lithography system, said modulator comprising at least one means for influencing the direction of a beamlet, a light sensitive element for receiving light from a modulated light beam and converting said...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WIELAND, MARCO, JAN-JACOB, HABEKOTTE, ERNST, VAN'T SPIJKER, JOHANNES CHRISTIAAN, VAN DER WILT, FLORIS P
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention relates to a modulator for modulating the magnitude of a beamlet in a multi-beamlet lithography system, said modulator comprising at least one means for influencing the direction of a beamlet, a light sensitive element for receiving light from a modulated light beam and converting said light into a signal, and discretizing means, coupling to said light sensitive element and to at least one of means for influencing, for converting said signal received from said light sensitive element into a discrete signal having discrete values selected from a set of predefined discrete values and providing said discrete signal to said means for influencing.