IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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The concept of design-manufacturing collaboration for nano-lithography era has been clarified. The novel design-manufacturing system that the manufacturing tolerance reflecting design intention properly can be allocated to the layout has been proposed. According to the system, one can assign the "weak portion" explicitly on the layout, and can control the process for reducing the burden of manufacturing and further getting higher yield. More specifically, the extraction of electrically critical portion and conversion to the manufacturing tolerance has been demonstrated. The tolerance has applied to reduce computational burden of mask data preparation. Besides, the yield model-based layout scoring system has been also suggested to be significant remarkably. One can check the layout and modify not to loose the yield. Creation of yield function, layout scoring, and layout modification based upon the yield model have been demonstrated.