Demonstration of inkjet-printed silver nanoparticle microstrip lines on alumina for RF power modules |
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| Affiliation: | 1. Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Piazzale Enrico Fermi 1, 80055 Portici, Naples, Italy;2. Chemistry Department, Imperial College London, South Kensington Campus, SW7 2AZ London, UK |
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| Abstract: | The paper shows the application of direct inkjet printing on alumina for fast-prototyping of high frequency circuits, adopting inks based on polymer–silver nanocomposite. Modeling, design, fabrication and experimental characterization of different microwave testing structures is presented and discussed. The integration of soldered surface mount devices and ground connections through wrap-around is successfully exploited. A 4 W power amplifier operating in the 0.7–1 GHz band (35% fractional bandwidth), is designed, fabricated and characterized, demonstrating the feasibility of the adopted approach. |
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| Keywords: | Prototypes Polymer–silver nanocomposite Inkjet printing technology Power amplifier Silver nanoparticles |
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