Replication of two-photon-polymerized structures with extremely high aspect ratios and large overhangs

Article Abstract:

The use of microtransfer molding technique (microTM) for the rapid, high-fidelity replication of complex 3-D polymeric master structures that have extremely high aspect ratios or reentrant features, which are created via multiphoton absorption polymerization (MAP) is demonstrated. The effective combination of microTM and MAP create arrays of complex 3-D microstructures into a parallel lithographic process.

Petroleum Refineries, Petroleum refining, Polymerization, Methods, Analysis, Polymers, Addition polymerization, Properties, Multiphoton processes

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Surface modification of halogenated polymers. 8. Local reduction of poly(tetrafluoroethylene) by the scanning electrochemical microscope-transient

Article Abstract:

Local reduction of poly(tetrafluorethylene) (PTFE) was achieved by scanning electrochemical microscopy (SECM) where the PTFE reduction was analyzed by the current transients, which helped proposed general trends for PTFE microfabrication. Further, SECM was used to investigate quantitatively the kinetics of PTFE phase transformation.

Phase transformations (Statistical physics), Phase transitions (Physics), Scanning electron microscopes

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