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Advanced Functional Materials, Vol.13, No.4, 259-263, 2003
Patterning spherical surfaces at the two-hundred-nanometer scale using soft lithography
Two soft lithographic techniques-topographically directed photolithography (TOP) and near-field contact-mode photolithograph-have been used to pattern spherical surfaces with features as small as 175 nm. Each technique has the ability to pattern more than a 60degrees arc of a spherical surface, albeit with distortions at the edge. Use as an optical polarizer demonstrates an application of these types of patterned surface.