Scatterometry based measurements of a moving substrate

   
   

A system and method are disclosed for monitoring characteristics of a substrate. A substrate is supported for movement within a processing environment and an incident light beam is emitted onto a surface of the substrate. The incident beam is provided to a moveable reflector that directs the beam to the substrate. A control system controls movement of the reflector so as to selectively interrogates the substrate with the beam.

Система и метод показаны для контролировать характеристики субстрата. Субстрат поддержан для движения внутри обрабатывая окружающая среда и световой луч случая испущен на поверхность субстрата. Луч случая снабжен подвижной рефлектор направляет луч к субстрату. Движение управлениями системаа управления рефлектора селективно опрашивает субстрат с лучем.

 
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