In our previous articles in this series, we discussed the history leading up to the development of electronics 3D printing, as well as one of the two dominant methods for printing electronics, direct writing. The other leading method for 3D printing electronics is inkjetting. Inkjetting processes deposit photopolymers similar to a printhead found in 2D printers before curing them using ultraviolet light.

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The most notable company working with this process is NanoDimension , an Israeli company that has developed the DragonFly series of PCB 3D printers. The DragonFly series jets conductive inks alongside a photocurable, dielectric ink. The process by printing bottom solder masks and pads, then printing and sintering conductive layers and printing and curing the dielectric layers, and then ending with the top solder masks and pads. The dielectric ink is cured with an LED lamp, while the conductive ink is sintered by an internal energy […]

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