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  • IVEC2018-W-band SWS Paper Final

    Accepted author manuscript, 921 KB, PDF document

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Low Cost Fabrication for W-band Slow Wave Structures for Wireless Communications Travelling Wave Tubes

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Abstract

The fabrication of slow wave structures for millimeter wave Traveling Wave Tubes (TWT) poses significant difficulties and requires high accuracy processes. The EU H2020 TWEETHER project proposes a Point to Multipoint (PmP) distribution wireless W-band (92 -95 GHz) system for backhaul for small cells in the future 5G scenario and fixed access, based on a folded waveguide W-band TWT. The cost of TWTs and feasible high volume production are key parameters for millimeter wave network front ends. This paper explores possible new approaches for reducing the fabrication cost of millimeter wave slow wave structures for TWTs based on the SU-8 casting and low cost CNC milling process.