dielectric trench Melt Tapping non_contact Nanotechnology SKKU Fet lithography Kevlar IcelandSpar Polystyrene Hole Strontium Stiffness sputter TPU medical Hydroxyapatite CuParticle Polyaniline C60H122 Pores ForceVolume CNT StyreneBeads Phthalocyanine MultiLayerCeramicCapacitor vertical_PFM Chungnam_National_University PolymerBlend block_copolymer CastIron Indium_tin_oxide Ram PVAC