Ink-based fabrication of microwave passive devices: a review

Huynen, Isabelle [UCL]

Since the last decade inkjet printing (IJP) has gained much interest in the electronics field, due to its ease of fabrication and low cost, since it does not require mask fabrication and can use cheap substrates like paper, adding the advantage of recyclability. In this manuscript, a review of IJP of microwave passive devices is presented. The various inks (dielectric or conductive), substrates (rigid or flexible), and printing techniques are first presented, with a focus on IJP. Next various passive devices are discussed. They include couplers, resonators, sensors, filters, antennas, and absorbers. For each category, the geometry, dimensions, and performances are discussed. Whenever possible, green aspects are addressed.