Invention Grant
US07651861B2 Method of producing fluorite crystal, fluorite and optical system incorporating the same 失效
产生萤石晶体,萤石和掺入其的光学系统的方法

Method of producing fluorite crystal, fluorite and optical system incorporating the same
Abstract:
There is provided a method of forming a fluorite crystal and an exposure apparatus including this fluorite crystal. A method of manufacturing a device using the exposure apparatus is also provided.
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