... study and surfacecharacterizations using FE-SEM and participated in draft writing. SJSconducted practical MNHS fabrication, surface wettability characterizations,and graphical information creation ... structures with manipulated wettability using a two-step silicon etching on a large areaBeom Seok Kim, Sangwoo Shin, Seung Jae Shin, Kyung Min Kim and Hyung Hee Cho*AbstractNanoscale surface manipulation ... CAM-200 (KSV Ins.). The value ofcontact angle on each fabricated substrate was automati-cally calculated based on the calibrating program, KSVContact Angle Measurement System. We used DI waterdroplet...