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US08213024B2 Method and system for aerial imaging of a reticle 有权
光罩的空中成像方法和系统

Method and system for aerial imaging of a reticle
Abstract:
A system, method and computer readable medium for reticle evaluation, the method includes: (i) obtaining, during an imaging process, multiple images of the reticle under different polarization and optionally interferometric conditions; and (ii) generating an output aerial image in response to (i) the multiple images and (ii) differences between the imaging process and an exposure process; wherein during the exposure process an image of the reticle is projected onto a wafer.
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