LITHOGRAPHIC APPARATUS AND MONITORING METHOD.

    公开(公告)号:NL2004942A

    公开(公告)日:2011-01-31

    申请号:NL2004942

    申请日:2010-06-22

    Abstract: A lithographic apparatus including a radiation beam monitoring apparatus, the radiation beam monitoring apparatus including an optical element configured to generate a diffraction pattern, and an imaging detector located after the optical element and not in a focal plane of the optical element such that the imaging detector is capable of detecting a mixture of spatial coherence and divergence of the radiation beam.

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