Patent ID: 7939244
Filing Date: 2011-05-10
Classification: G03F,Y10S,Y10T

Abstract:
1. A method of forming a microelectronic structure, said method comprising: (a) providing a substrate having a surface; (b) optionally forming one or more intermediate layers on said surface; (c) applying a hardmask composition adjacent said intermediate layers, if present, or adjacent said substrate surface if no intermediate layers are present, said hardmask composition comprising a non-polymeric nanoparticle dissolved or dispersed in a solvent system; (d) baking said hardmask composition to yield a hardmask layer; (e) exposing said hardmask layer to radiation to yield an exposed portion of said hardmask; and (f) contacting said hardmask layer with a developer so as to remove said exposed portion of said hardmask layer.