发明申请
US20090025753A1 Lithographic Apparatus And Contamination Removal Or Prevention Method 审中-公开
平版印刷设备和污染物去除或预防方法

Lithographic Apparatus And Contamination Removal Or Prevention Method
摘要:
A lithographic apparatus is disclosed having an in situ ozonizer, which is used to produce ozone gas, for example, by UV irradiation of an oxygen-containing gas. The thus produced ozone is dissolved in ultra-pure water by contacting the ozone with the ultra-pure water through a permeable membrane.
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