Patent ID: 8529778

Claim:
A method of forming an imprint lithography template, comprising: forming a first pattern of grooves in a first layer formed of a non-wet strippable resist material positioned on a substrate, wherein forming the first pattern includes: depositing a second layer of wet strippable resist on the first layer; depositing formable material on the second layer; imprinting the formable material using a nano-imprint lithography template to form a third layer of resist having a first patterned layer, the first patterned layer including a plurality of raised portion separated by depressions; etching the third layer such that a ratio of height to width of the raised portions substantially increases; depositing an overcoat layer on the third layer and planarizing the overcoat layer exposing an edge of each raised portion; etching the third layer to form one or more trenches in the second layer and the first layer; and, removing the second layer and the third layer; forming a second pattern of grooves in a second layer overlaying the first pattern in the first layer, the second pattern of grooves oriented at an angle relative to the first pattern of grooves; and, etching the first pattern and the second pattern into the substrate forming a nano-shaped imprint lithography template having a surface imprinting pattern, the surface imprinting pattern including a plurality of features having at least one sharp edge defined by the intersection of the first and second pattern of grooves.