Patent ID: 8512938
Filing Date: 2013-08-20
Classification: G03F,H01L

Abstract:
1. A method of forming a pattern in a material, the method comprising: exposing at least two first portions of a first material to radiation through at least two apertures of a mask arranged over the first material; shifting the mask so that the at least two apertures overlap a portion of the at least two first portions of the first material; and exposing at least two second portions of the first material to radiation through the at least two apertures, wherein the first portions and the second portions overlap in such a way that at least two portions of the first material remain non-exposed after the step of exposing the at least two second portions, the at least two non-exposed portions of the first material being arranged such that at least one non-exposed portion is located between the at least two first portions, at least one non-exposed portion is located between the at least two second portions, and none of the non-exposed portions is disposed between both first and second portions; and removing the non-exposed portions or exposed portions of the first material.