Patent ID: 8734904

Claim:
A method, comprising: providing a pre-patterned structure comprising i) a support member having a surface and ii) an element for topographically guiding segregation of a polymer mixture including a first polymer and a second polymer, the element comprising a feature having a sidewall adjoined to the surface; disposing the polymer mixture on the pre-patterned structure, wherein the disposed polymer mixture has contact with the sidewall and the surface; segregating, in a plane parallel to the surface, the first polymer and the second polymer, thereby forming a segregated structure comprising a first polymer domain and a second polymer domain; and lithographically patterning the first polymer domain and/or the second polymer domain, thereby forming topographical features comprising at least one of i) a first feature comprising a lithographically patterned first polymer domain and ii) a second feature comprising a lithographically patterned second polymer domain.