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Microwave characterization of ink-jet printed CPW on PET substrates



Thomas M. Wallis


This paper describes microwave characterization of coplanar waveguide (CPW) lines formed by ink-jet printed technology on flexible polyethylene terephthalate (PET) substrates. The reel-to-reel printing process uses inkjet printing as a precursor for 2$\mu m$ copper plating, which allows significantly lowered resistances as compared to traditional inks. A multiline TRL calibration technique has been used to characterize the propagation constant and reflection coefficient of the CPW lines. With the aid of four sets of measurements at two identical labs, it is shown that the fabricated samples have contact repeatability, permitting redundant multiline calibrations
Proceedings Title
2015 84th ARFTG Microwave Measurement Conference
Conference Dates
December 3-4, 2015
Conference Location
Atlanta, GA


Ink-jet printed CPW, flexible substrates, multiline calibration


Wallis, T. (2015), Microwave characterization of ink-jet printed CPW on PET substrates, 2015 84th ARFTG Microwave Measurement Conference, Atlanta, GA (Accessed May 19, 2024)


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Created December 3, 2015, Updated February 19, 2017