发明授权
US07683300B2 Using an interferometer as a high speed variable attenuator 有权
使用干涉仪作为高速可变衰减器

Using an interferometer as a high speed variable attenuator
摘要:
A system and method provides high speed variable attenuators. The attenuators can be used within a lithographic apparatus to control intensity of radiation in one or more correction pulses used to correct a dose of the radiation following an initial pulse of radiation.
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