Polymer pen lithography
AssigneeNorthwestern University
InventorsChad A. Mirkin, Fengwei Huo, Zijian Zheng, Gengfeng Zheng
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Abstract
The disclosure relates to methods of printing indicia on a substrate using a tip array comprised of elastomeric, compressible polymers. The tip array can be prepared using conventional photolithographic methods and can be tailored to have any desired number and/or arrangement of tips. Numerous copies (e.g., greater than 15,000, or greater than 11 million) of a pattern can be made in a parallel fashion in as little as 40 minutes.
Claims14
A tip array comprising a plurality of tips fixed to a common substrate layer, the tips and common substrate layer formed from an elastomeric polymer, the elastomeric polymer of the tips comprising a thermoplastic polymer, a silicone polymer, or an epoxy polymer, each tip having a radius of curvature of less than about 1 μm, and the plurality of tips, common substrate, and rigid support together are at least transparent.
Dependencies are inferred from the claim text.