Patent ID: 7844131
Filing Date: 2010-11-30
Classification: G03F

Abstract:
1. A computer readable storage medium that is non-transitory comprising software, the software when executed: groups a plurality of image regions together to form a combined image, wherein the combined image is larger than a target portion of a substrate when projected thereon; determines or receives locations on the substrate at which the combined image is projected a plurality of times onto the substrate; calculates locations at which the image regions forming the combined image are positioned on the substrate when projected thereon based on the locations of the combined image; calculates an optimum routing for projecting the image regions onto the substrate, the calculation being constrained such that if a combined image requires a plurality of image regions having the same pattern, all of the image regions for a given combined image are projected consecutively; and instructs a lithographic apparatus to project the image regions at the calculated locations onto the substrate.