Patent ID: 6383719
Filing Date: 2002-05-07
Classification: G03F

Abstract:
A process of forming a first pattern in a photosensitive coating on a substrate to compensate for shape distorting factors, the process comprising the steps of:(a) providing a substrate; (b) coating said substrate with a photosensitive coating; (c) providing a first mask having a pattern of images thereon, said images corresponding to a first pattern to be printed in said coating; (d) aligning said first mask to said substrate; (e) providing a light source having an illunination intensity; (f) illuminating through said first mask to expose said coating to a first exposure to provide a first dose; and (g) exposing a portion of said first pattern in said coating to a second exposure to provide a second dose to compensate for shape distorting factors by providing a block mask and illuminating through said block mask in addition to illuminating through said first mask, wherein said portion of said first pattern receives additional dose.