Mask handling apparatus, lithographic projection apparatus, device manufacturing method and device manufactured thereby

In a lithographic projection apparatus, an object such as a mask is shielded from stray particles by a particle shield using electromagnetic fields. The fields may be a uniform electric field, a non-uniform electric field or an optical breeze. The particle shield is fixed to the mask holder rather t...

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Hauptverfasser: LOOPSTRA ERIK ROELOF, BANINE VADIM YEVGENYEVICH, HAM ERIK LEONARDUS, MOORS JOHANNES HUBERTUS JOSEPHINA, DONDERS SJOERD NICOLAAS LAMBERTUS, LEENDERS MARTINUS HENDRIKUS ANTONIUS, MEILING HANS, VISSER HUGO MATTHIEU, HEERENS GERRIT-JAN, WERIJ HENRI GERARD CATO
Format: Patent
Sprache:eng
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Zusammenfassung:In a lithographic projection apparatus, an object such as a mask is shielded from stray particles by a particle shield using electromagnetic fields. The fields may be a uniform electric field, a non-uniform electric field or an optical breeze. The particle shield is fixed to the mask holder rather than the mask.