Radiation Source, Lithographic Apparatus and Device Manufacturing Method

A radiation source for a lithographic apparatus, in particular a laser-produced plasma source wherein a buffer liquid droplet is provided in a source chamber containing the plasma source. The buffer liquid droplet being evaporated explosively to form a 5 buffer gas within the source chamber. Wherein...

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Bibliographische Detailangaben
1. Verfasser: JOHANNES CHRISTIAAN LEONARDUS FRANKEN
Format: Patent
Sprache:eng
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Zusammenfassung:A radiation source for a lithographic apparatus, in particular a laser-produced plasma source wherein a buffer liquid droplet is provided in a source chamber containing the plasma source. The buffer liquid droplet being evaporated explosively to form a 5 buffer gas within the source chamber. Wherein the buffer gas may deflect physical debris in the source chamber to reduce or prevent physical debris from passing out of an opening in the source chamber into other parts of the lithographic apparatus.