52 research outputs found

    EUVL: Challenges to Manufacturing Insertion

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    Measurement of through-focus EUV pattern shifts using the SHARP actinic microscope

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    This paper provides experimental measurements of through-focus pattern shifts between contact holes in a dense array and a surrounding pattern of lines and spaces using the SHARP actinic microscope in Berkeley. Experimental values for pattern shift in EUV lithography due to 3D mask effects are extracted from SHARP microscope images and benchmarked with pattern shift values determined by rigorous simulations
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