Electroninks Electroninks is a US-based company that develops and supplies particle-free inks for applications such as EMI shielding, PCB prototyping and textiles. IDTechEx caught up with CEO Brett Walker to find out more about the latest developments, including a $1.5m phase II Small Business Innovation Research (SBIR) contract to develop advanced manufacturing hardware and particle-free conductive inks for printed circuit boards from the Air Force Rapid Sustainment Office (RSO). Electroninks