Liquid Immersion Optical Tool, Method for Cleaning Liquid Immersion Optical Tool, Liquid Immersion Exposure Method and Method for Manufacturing Semiconductor Device

There is disclosed is a liquid immersion optical tool, which comprises a light source, an optical lens system, a stage which moves an object base on which an object is to be placed, a head comprising a liquid immersion medium fluid supply device and a liquid immersion medium fluid discharge device t...

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Bibliographische Detailangaben
Hauptverfasser: HIGASHIKI TATSUHIKO, TOMITA HIROSHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:There is disclosed is a liquid immersion optical tool, which comprises a light source, an optical lens system, a stage which moves an object base on which an object is to be placed, a head comprising a liquid immersion medium fluid supply device and a liquid immersion medium fluid discharge device to provide a layer of liquid immersion medium fluid between the optical lens system and the object, a fence which limits a region of the layer of liquid immersion medium fluid, and a cleaning device which cleans a portion having been contacted with the liquid immersion medium fluid by means of a cleaning solution.