3-D Printed Air Substrates for the Design and Fabrication of RF Components

Mohd Ifwat Mohd Ghazali, Saranraj Karuppuswami, Amanpreet Kaur, Premjeet Chahal

    Research output: Research - peer-reviewArticle

    Abstract

    This paper presents the fabrication and characterization of radio frequency (RF) and microwave passive structures on an air substrate using additive manufacturing (3-D printing). The air substrate is realized by 3-D printing RF structures in two separate pieces and snapped together face to face using a LEGO-like process. Spacers printed on the periphery provide the desired air substrate thickness. Metal patterning on nonplanar printed plastic structures is carried out using a damascene-like process. Various RF structures such as low dispersion transmission line, T-line resonator, high-gain patch antenna, slot antenna, and cavity resonator are demonstrated using this process. Good performance is achieved; for example, measured 50-$\Omega $ transmission line shows low loss of 0.17 dB/cm at 4 GHz, and a patch antenna (center frequency of 4.5 GHz) shows gain and bandwidth of 7.6 dB and 0.2 GHz, respectively. Details of both measured and simulation results are presented.

    LanguageEnglish (US)
    Article number7898849
    Pages982-989
    Number of pages8
    JournalIEEE Transactions on Components, Packaging and Manufacturing Technology
    Volume7
    Issue number6
    DOIs
    StatePublished - Jun 1 2017

    Profile

    Fabrication
    Substrates
    Air
    Microstrip antennas
    Printing
    Electric lines
    3D printers
    Slot antennas
    Cavity resonators
    Resonators
    Metals
    Microwaves
    Plastics
    Bandwidth

    Keywords

    • Additive manufacturing (AM)
    • air substrate
    • damascene process
    • lightweight
    • low loss
    • radio frequency (RF) components

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Industrial and Manufacturing Engineering
    • Electrical and Electronic Engineering

    Cite this

    3-D Printed Air Substrates for the Design and Fabrication of RF Components. / Ghazali, Mohd Ifwat Mohd; Karuppuswami, Saranraj; Kaur, Amanpreet; Chahal, Premjeet.

    In: IEEE Transactions on Components, Packaging and Manufacturing Technology, Vol. 7, No. 6, 7898849, 01.06.2017, p. 982-989.

    Research output: Research - peer-reviewArticle

    Ghazali, Mohd Ifwat Mohd ; Karuppuswami, Saranraj ; Kaur, Amanpreet ; Chahal, Premjeet. / 3-D Printed Air Substrates for the Design and Fabrication of RF Components. In: IEEE Transactions on Components, Packaging and Manufacturing Technology. 2017 ; Vol. 7, No. 6. pp. 982-989
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