发明授权
US08823918B2 Lithographic apparatus and a method of operating the apparatus 有权
光刻设备和操作该设备的方法

摘要:
A lithographic projection apparatus is disclosed which includes a cleaning station. Several embodiments of the cleaning station are disclosed. In an embodiment, measures are taken to avoid contact of a cleaning fluid with the final element of the projection system. In an embodiment, measures are taken to avoid foaming of the cleaning fluid. The use of a thermally isolated island is also disclosed as well as its optimal position.
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