The paper presents the designs of ultra-wideband microwave flat gradient index (GRIN) lenses, which realizes over a 108% fractional bandwidth (12 - 40 GHz). This type of 3D AM technique is likely to enable many novel antenna and circuit architectures as well as various interesting 3D metamaterial structures. Moreover, current limitations and possible future im-provements of the polymer jetting technique for EM applications are discussed. As examples, various 3D-printed devices operating from GHz to THz frequency, including electromagnetic crystals (EMXT), waveguide, horn antenna, gradient index (GRIN) lenses, as well as 3D AM-enabled new designs, such as millimeter wave (mmW)/THz, reflect array antennas, computer-generated THz holograms, and so on are reviewed. Design methodologies specific for 3D-printed antennas and other EM components are presented. A number of 3D-printable polymer materials and their broadband EM characterization from GHz to THz are introduced. In this paper, important design and im-plementation aspects of polymer-jetting-based 3D printed EM components are discussed. Polymer jetting is one of the promising 3D AM techniques that utilizes photosensitive polymers as the build material and is capable of precisely printing electromagnetic (EM) components up into the THz range. Trademark is used in the following business:Ĭonstruction, installation and repair of electric and electronic installations.Ĭonstruction drafting and technical design of electric and electronic installations quality control, namely testing and certification of electric and electronic equipment and installations.Īpparatus and instruments for conducting, switching, transforming, accumulating, regulating and controlling electricity, in particular equipment and apparatus for protecting persons and installations from damage caused by electrical current, electric, electronic and mechanical switching and regulating equipment and equipment and components for industrial and power electronics, residual current, conduction, engine, overcurrent and system protection equipment, apparatus and fuses, temperature, time, control and protective relays, power-surge protection equipment and apparatus, current-transforming equipment, power-restoring equipment, timer switches, not for clock movements positioning, control and surface switches, key buttons, dimmers, actuators room controllers, central operating units control equipment, housings, current metering and display equipment, busbars for switching equipment, sockets, programmable and individually-configured control equipment, equipment for the radio transmission of signals apparatus for data transmission distributors for equipment and apparatus for protection, switching, controlling, displaying, metering and regulating purposes cabinets for data transmission equipment.3D additive manufacturing (AM) offers unprece-dented flexibility in the realization of complicated 3D structures. The current status of the XBOARD filing isīased on Eaton Industries (Austria) GmbH, the XBOARD The legal correspondent for XBOARD trademark is The XBOARD mark is filed in the category ofĬomputer & Software Services & Scientific ServicesĬomputer Product, Electrical & Scientific Products Trademark Application Number is a unique ID to identify the XBOARD mark in EUIPO. The XBOARD trademark was assigned an Application Number # 008789067 – by the European Union Intellectual Property Office (EUIPO). XBOARD European Union Trademark Information By Eaton Industries (Austria) GmbH
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