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A new fabrication system for Ionic Polymer Metallic Composites (IPMC) entitled Micro Deposition Method(MDM) is
introduced. The tolerances in prototyping IPMC's using available fabrication techniques does not meet the tight limits
for fabricating the polymer transducer. The MDM overcomes this limitation by using a microfluidic dispersion head that
can deposit 3 to 10 picoliters of the electrode layer dissolved in a solvent at a high throughput. The MDM in its existing
configuration can be used to fabricate micron scale polymer transducers with features 2 microns and above with high
accuracy and repeatability. A commercially available piezoelectric deposition head from an inkjet printer is modified
and used to disperse the electrode material of controlled thickness as a concept demonstration. The physical properties
of the dispersed fluid are adjusted to meet the requirements of the deposition head to fabricate the prototype. The
dispersion fluid used had a viscosity of 3.47 ±0.06 cP, a surface tension of 23.6 ±.1 mNm-1, and a conducting power
volume load set at 10%.
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David Griffiths, Vishnu Baba Sundaresan, Barbar Akle, Pavlos Vlachos, Don Leo, "Micro deposition method: a novel fabrication method for ionic polymer metallic composites," Proc. SPIE 6927, Electroactive Polymer Actuators and Devices (EAPAD) 2008, 69270C (10 April 2008); https://doi.org/10.1117/12.776462