Patent ID: 7846643
Filing Date: 2010-12-07
Classification: B82Y,G01R,G03F,G11B

Abstract:
1. A method for providing a structure in a microelectric device comprising: providing a mask layer on the microelectric device; exposing the mask layer to provide a mask, a portion of the mask covering a portion of the microelectric device, the exposing the mask layer further including utilizing a chromeless alt-phase shift mask (chromeless alt-PSM) mask for providing the portion of the mask, the chromeless alt-PSM mask including a first region, a second region, and a transition between the first region and the second region, the transition corresponding to the portion of the mask and being free of an opaque material, the transition corresponding to a phase change between the first region and the second region for transmitted light, the first region having a border section free of the phase change for the transmitted light.