Korea SSRM Polytetrafluoroethylene Piranha margarine Fendb Ram ScanningKelvinProbeMicroscopy Forevision Treatment Pore Barium_titanate Conducting Grain Fiber PVAC high_resolution PinPointMode PolymerBlend Sulfur Indium_tin_oxide oxide_layer Ferroelectric HiVacuum SurfaceChange Oxidation Step GlassTemp Tungsten ULCA MembraneFilter fluoroalkane Change Switching DeflectionOptics