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Fully inkjet-printed microwave passive electronics 被引量:1
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作者 garret mckerricher Mohammad Vaseem Atif Shamim 《Microsystems & Nanoengineering》 EI CSCD 2017年第1期423-429,共7页
Fully inkjet-printed three-dimensional(3D)objects with integrated metal provide exciting possibilities for on-demand fabrication of radio frequency electronics such as inductors,capacitors,and filters.To date,there ha... Fully inkjet-printed three-dimensional(3D)objects with integrated metal provide exciting possibilities for on-demand fabrication of radio frequency electronics such as inductors,capacitors,and filters.To date,there have been several reports of printed radio frequency components metallized via the use of plating solutions,sputtering,and low-conductivity pastes.These metallization techniques require rather complex fabrication,and do not provide an easily integrated or versatile process.This work utilizes a novel silver ink cured with a low-cost infrared lamp at only 80℃,and achieves a high conductivity of 1×10^(7) S m^(−1).By inkjet printing the infrared-cured silver together with a commercial 3D inkjet ultraviolet-cured acrylic dielectric,a multilayer process is demonstrated.By using a smoothing technique,both the conductive ink and dielectric provide surface roughness values of <500 nm.A radio frequency inductor and capacitor exhibit state-of-the-art quality factors of 8 and 20,respectively,and match well with electromagnetic simulations.These components are implemented in a lumped element radio frequency filter with an impressive insertion loss of 0.8 dB at 1 GHz,proving the utility of the process for sensitive radio frequency applications. 展开更多
关键词 CAPACITOR filter INDUCTOR inkjet printing multi-jet radio frequency SILVER
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