Additive Technologies in the Protection of Electronic Equipment from Electromagnetic Radiation

The paper discusses the possibilities of using 3D-printing technology to create radar absorbing coatings and elements of electronic equipment. The frequency dependences of the relative changes in the dielectric constant of a filament for a 3D printer measured at an open resonator are presented for 1-3% nanotube concentrations in the acrylonitrile butadiene styrene in the range of 8-14 GHz. By the quasi-optical method, the relative changes in the dielectric constant in the range 115-258 GHz were measured. The electromagnetic response for shield in the EHF range was calculated.