Additive manufacturing of metal passive waveguide components

This paper reports a study on the applicability of Direct Metal Laser Sintering to the manufacturing of passive waveguide components. Different test RF benchmarks in K-band [17.5, 19.5] GHz, Ka-band [26, 34] GHz and Q-band [35, 50] GHz have been developed. Subsequently, two stop-band filters in Ku/K-band [12, 22] GHz have been designed, manufactured and tested. This study has been carried out jointly by CNR-IEIIT and IIT.