Research Article

Dependence of Pin Surface Roughness for Friction Forces of Ultrathin Perfluoropolyether Lubricant Film on Magnetic Disks by Pin-on-Disk Test

Figure 3

Comparison of tapping-mode AFM images of planoconvex lens before and after GCIB processing. (a) Original surface of glass lens, (b) one-step GCIB irradiation without DLC, (c) two-step GCIB irradiation without DLC, (e) one-step (Ar: 1 × 1016 dose/cm2) GCIB irradiation on DLC, (e) one-step (Ar: 2 × 1016 dose/cm2) GCIB irradiation on DLC, and (f) one-step (Ar: 4 × 1016 dose/cm2) GCIB irradiation on DLC.
923818.fig.003