Photocopying – Projection printing and copying cameras – With temperature or foreign particle control
Reexamination Certificate
2006-07-04
2006-07-04
Nguyen, Henry Hung (Department: 2851)
Photocopying
Projection printing and copying cameras
With temperature or foreign particle control
C355S053000
Reexamination Certificate
active
07072021
ABSTRACT:
A lithographic apparatus is disclosed. The apparatus includes an illuminator for conditioning a beam of radiation, and a first support for supporting a patterning device that serves to pattern the beam of radiation according to a desired pattern. The apparatus also includes a second support for supporting a substrate, a projection system for projecting the patterned beam onto a target portion of the substrate, and at least one gas generator for generating a conditioned gas flow. The gas generator includes a guiding element for guiding the gas flow to a lower volume generally located below a lower surface of the projection system and to a volume between the lower surface and the substrate. The guiding element directs the gas flow in a generally downward direction and then in a direction generally parallel to the lower surface.
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Beckers Marcel
Hertog Wladimir Franciscus Gerardus Maria
Koelink Stephan
Krus Henk
Lallemant Nicolas Alban
ASML Netherlands B.V.
Nguyen Henry Hung
Pillsbury Winthrop Shaw & Pittman LLP
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