Source collector apparatus, lithographic apparatus and method

A source collector apparatus for use in a lithographic apparatus comprises a fuel droplet generator configured in use to generate a stream of fuel droplets directed from an outlet of the fuel droplet generator towards a plasma formation location. In order to prevent droplet satellites from interferi...

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Bibliographische Detailangaben
Hauptverfasser:	SWINKELS, GERARDUS HUBERTUS PETRUS MARIA, RENKENS, BENEDICTUS MATHIJS, VERSPEEK, CHRISTIAAN JOHANNES PETRUS, GLUSHKOV, DENIS ALEXANDROVICH, HULTERMANS, RONALD JOHANNES, KLEEMANS, NIEK ANTONIUS JACOBUS MARIA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	APPARATUS SPECIALLY ADAPTED THEREFOR CINEMATOGRAPHY ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MATERIALS THEREFOR ORIGINALS THEREFOR PHOTOGRAPHY PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES PHYSICS X-RAY TECHNIQUE
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Beschreibung
Zusammenfassung:	A source collector apparatus for use in a lithographic apparatus comprises a fuel droplet generator configured in use to generate a stream of fuel droplets directed from an outlet of the fuel droplet generator towards a plasma formation location. In order to prevent droplet satellites from interfering with plasma formation, a gas supply is provided that in use provides a flow of gas (eg hydrogen) that deflects any droplet satellites out of the fuel droplet stream. Additionally, detection apparatus may be provided as part of the shroud to determine the point at which coalescence of fuel droplets occurs thereby providing an indication of the likelihood of satellite droplets being present in the fuel droplet stream.