| 摘要 |
A plurality of patterns placed within an target region are classified by their placement positions, a pattern adjacent to each side of each pattern is searched for by using the classification results, and adjacent pattern information is obtained. Next, a back-scattering intensity at an evaluation point on a pattern is calculated, a movement quantity of the side is calculated so that the sum of a forward-scattering intensity and the back-scattering intensity at the evaluation point becomes a reference exposure intensity by using the adjacent pattern information and the back-scattering intensity, and the pattern is then corrected.
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