Mohammed Muntakim Anwar, Tanveer Saleh, John D. W. Madden and Kenichi Takahata Micropatterning Polypyrrole Conducting Polymer by Pulsed Electrical Discharge Macromolecular Materials and Engineering 299
Polypyrrole, a promising conducting polymer, can be micropatterned through high-frequency pulses of extremely miniaturized electrical discharge generated on it. Fine micromachining with a controlled depth of 7.5 μm and an average surface roughness of 70 nm is demonstrated. The process is found to cause no major alteration in material composition. Fabrication of polypyrrole electrodes/actuators on medical catheters is also demonstrated.
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