In this work, we show how e-beam inspection has been used to characterize a single exposure EUV M2 (Metal 2 layer, BEoL) to have an understanding of the different hotspots and intra-field signatures present. Design Based Metrology (DBM) with wide SEM image was employed to measure CD distribution and Edge Placement Error (EPE) distribution of metal layer pattern on the 10nm logic wafer.
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