Fig. 4
From: Restoring scratched cine-film via reducing light scattering
SEM images of scratch patterns compared to EDS of (a) unscratched film base, (b) scratch 50 μm wide and 83 μm long on film base, (c) unscratched emulsion layer, (d) superficial scratch 33 μm wide and 83 μm long on emulsion layer and (e) penetrating scratch 58 μm wide and 83 μm long on emulsion layer