| https://www.eptac.com/category/upcoming-webinars/shown.bs.collapse/page/9/__/ais-highlight__/129.432%25/page/2/gtm.start/page/4/
. Using the additive manufacturing process, beads of solder or conductive material are printed on the surface of the circuit board and coupled with a secondary material to create 3D PCBs with intricate internal wiring