Figure 11From: Hierarchical micro/nano structures for super-hydrophobic surfaces and super-lyophobic surface against liquid metalSEM images of nano-patterned SU-8 micro-pillar array: (a) after plasma treatment, (b) close-up view, (c) nano-patterned surface, and (d) plasma treated top pillar area. With permission from Journal of Micromechanic Microengineering, Copyright 2012.Back to article page