Silver-Nanoparticle-Based Screen-Printing and Film Characterization of a Disposable, Dual-Band, Bandstop Filter on a Flexible Polyethylene Terephthalate Substrate

Table 1

Comparison of the performance of the proposed screen-printed filter with previously reported printed filters.

S. number	State-of-the-art in printed microwave filters	(GHz); IL (dB)/RL (dB)	Film conductivity (σ); (Siemens/m)
This work	T-shaped stub-loaded UIRs based DBBSF using Ag-nanoparticle-based screen-printing on PET substrate	2.55 1.17/27.4,; 5.3 1.58/28.9	2 × 10^7
Reference [11]	Hairpin bandpass filter using Ag-nanoparticle-based inkjet-printing on liquid crystal polymer (LCP) substrate	30 2.41/18.9	2 × 10^7
Reference [12]	Interdigital coupled line based bandpass filter using Ag-nanoparticle-based inkjet-printing LCP substrate	25.7 3.7/24	1 × 10^7
Reference [13]	DBR bandpass filter using Ag-nanoparticle-based inkjet-printing on LCP substrate	5.4 2.18/27.8	4 × 10^6
Reference [25]	Suspended microstrip lines based bandpass filter using Ag-nanoparticle-based inkjet-printing on dupont kapton HN polyimide substrate	17 3.6/40	1.5 × 10^7

S. number = serial number; = central frequency; IL = insertion loss; RL = return loss.