LITHOGRAPHIC EQUIPMENT AND LITHOGRAPHIC METHOD
PROBLEM TO BE SOLVED: To provide a lithographic equipment and a lithographic method which can reduce generation of bubbles in liquid. SOLUTION: The lithographic equipment comprises a substrate table for holding a substrate, a projection system which is arranged to project a radiation beam patterned...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a lithographic equipment and a lithographic method which can reduce generation of bubbles in liquid. SOLUTION: The lithographic equipment comprises a substrate table for holding a substrate, a projection system which is arranged to project a radiation beam patterned on the substrate, a liquid supplying system prepared to supply liquid to a space between the projection system, the substrate and the substrate table, and a ring placed to cover a gap between the substrate and the substrate table and made contact with both of them. COPYRIGHT: (C)2008,JPO&INPIT |
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