Screen-Printed Flexible Bandstop Filter on Polyethylene Terephthalate Substrate Based on Ag Nanoparticles

Figure 6

SEM images of screen-printed BSF representing the (a) thickness of the Ag layer with excellent adhesion to the PET substrate and relatively homogeneous distribution of the Ag nanoparticles and (b) the size of the Ag nanoparticles.

(a)

(b)