Patent ID: 6495435
Filing Date: 2002-12-17
Classification: H01L

Abstract:
A method for providing a plurality of lines and an adjacent feature for a memory device, the plurality of lines and the adjacent feature being formed from a layer of material, the plurality of lines including an adjacent line adjacent to the adjacent feature, the adjacent line having a width, the method comprising the steps of:(a) utilizing a mask to print a physical mask for the plurality of lines and the adjacent feature, the mask including a mask assist feature between at least a first polygon for the adjacent line and at least a second polygon for the adjacent feature, the mask assist feature having a size that is sufficiently large to affect the width of the adjacent line and that is sufficiently small to prevent a corresponding feature from being printed on the physical mask; and (b) removing a second portion of the layer of material exposed by the pattern of the physical mask to form the plurality of lines.