Critical minerals developer Ioneer (ASX: INR) has set itself an innovative and aggressive work program leading up to the end of the calendar year, with a major focus on its 100%-owned Rhyolite Ridge ...

Abstract: In this letter, a novel compact bandstop filter (BSF) based on ridge waveguide (WG) technology is proposed. By through-etching longitudinal dumbbell-shaped grooves (DSGs) in the metal ridge, ...