Cooling apparatus and plasma-cleaning station for cooling apparatus

A lithographic apparatus comprising a projection system configured to project a patterned radiation beam to form an exposure area on a substrate, a cooling apparatus located in use above the substrate adjacent to the exposure area, the cooling apparatus being configured to remove heat from the subst...

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Hauptverfasser: Van Der Sanden, Jacobus Cornelis Gerardus, Koevoets, Adrianus Hendrik, Groenewold, Jan, Nasalevich, Maxim Aleksandrovich, De Rapper, Willem Michiel, De Meijere, Cornelis Adrianus, Pijnenburg, Johannes Adrianus Cornelis Maria, Leroux, Alain Louis Claude, Nikipelov, Andrey, Donders, Sjoerd Nicolaas Lambertus
Format: Patent
Sprache:eng
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Zusammenfassung:A lithographic apparatus comprising a projection system configured to project a patterned radiation beam to form an exposure area on a substrate, a cooling apparatus located in use above the substrate adjacent to the exposure area, the cooling apparatus being configured to remove heat from the substrate during use, a plasma vessel located below the cooling apparatus with its opening facing towards the cooling apparatus, and a gas supply for supplying gas to the plasma vessel and an aperture for receipt of a radiation beam. In use, supplied gas and a received radiation beam react to form a plasma within the plasma vessel that is directed towards a surface of the cooling apparatus which faces the opening of the plasma vessel.