发明申请
US20090090877A1 MODULE AND METHOD FOR PRODUCING EXTREME ULTRAVIOLET RADIATION 有权
用于生产超极紫外线辐射的模块和方法

MODULE AND METHOD FOR PRODUCING EXTREME ULTRAVIOLET RADIATION
摘要:
A module for producing extreme ultraviolet radiation includes a supply configured to supply droplets of an ignition material to a predetermined target ignition position and a laser arranged to be focused on the predetermined target ignition position and to produce a plasma by hitting such a droplet which is located at the predetermined target ignition position in order to change the droplet into an extreme ultraviolet producing plasma. Also, the module includes a collector mirror having a mirror surface constructed and arranged to reflect the radiation in order to focus the radiation on a focal point. A fluid supply is constructed and arranged to form a gas flow flowing away from the mirror surface in a direction transverse with respect to the mirror surface in order to mitigate particle debris produced by the plasma.
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