Invention Grant
US08742379B2 Window unit, window device, laser apparatus, and extreme ultraviolet light generation system 有权
窗单元,窗装置,激光装置和极紫外光发生系统

Window unit, window device, laser apparatus, and extreme ultraviolet light generation system
Abstract:
A window unit may include: a window configured to allow a laser beam to be transmitted therethrough; and a holder for holding the window at a periphery thereof, the holder being provided with a flow channel thereinside configured to allow a fluid to flow.
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