Figure 14From: Hierarchical micro/nano structures for super-hydrophobic surfaces and super-lyophobic surface against liquid metalUnique backside 3D diffuser lithography. (a) A schematic diagram of backside 3D diffuser lithography, (b) SEM image of inverse trapezoid with magnification (50 μm), (c) with magnification (20 μm), (d) with magnification (5 μm).Back to article page