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Flexible Electronics Fabrication for Missile Wiring Interconnects
Keywords: flexible electronics, thin film printing, ink jet printing
The increased usage of unmanned aerial vehicles has driven the desire for smaller and lighter missile bodies. The wiring harnesses required to connect the missile subsystems constitute a significant portion of the missile weight and cost. We have been exploring the development of flexible electronics substrates manufactured using ink jet technology on polyimide films. This technology has an advantage over traditional flex circuit manufacturing because in addition to creating traditional wiring patterns the ink jet technology enables the creation of passive components such as resistors and capacitors. The Dimatix DMP-2831 ink jet system uses individually controllable piezoelectric driven MEMS nozzles to precisely deposit nanoparticle inks. These inks are then annealed to form wiring patterns. We will present the process for converting traditional printed circuit board data formats to inkjet printable data, the process for depositing the ink, annealing and testing.
Michael R. Whitley, Vice President of Engineering
EngeniusMicro, LLC
Huntsville, AL

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