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A multilayer dielectric rod antenna (DRA) design is proposed for mm-wave applications. The multilayer DRA is formed by a medium permittivity dielectric rod core encased by a low permittivity cladding to increase the peak gain. The antenna is fabricated using fused deposition modeling (FDM) of two thermoplastics; a ceramic composite material for the core and acrylonitrile butadiene styrene (ABS) for...
A 2.4 GHz single-piece additive manufactured tripolar antenna system is presented for integration with a commercially available wireless node. The antenna is 3D-printed using fused deposition modeling of ABS plastic and micro-dispensing of silver paste. Performance is evaluated in anechoic and highly reflective environments achieving a return loss greater than 15 dB at the desired frequency of operation...
A multilayer dielectric rod waveguide (DRW) is designed for operation at an extended Ku-band from 10 to 18 GHz. The proposed design is fully developed and fabricated by using additive manufacturing technologies, particularly fused deposition modeling (FDM). The multilayer DRW is formed by a medium-Λ dielectric core printed with a custom-made ceramic composite and a low permittivity ABS cladding. Both...
Selective laser melting (SLM) and electron beam melting (EBM) are relatively new rapid, additive manufacturing technologies which can allow for the fabrication of complex, multi-functional metal or alloy monoliths by CAD-directed, selective melting of precursor powder beds. By altering the beam parameters and scan strategies, new and unusual, even non-equilibrium microstructures can be produced; including...
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