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Micro and Nano Systems Letters
Figure 22 | Micro and Nano Systems Letters

Figure 22

From: Hierarchical micro/nano structures for super-hydrophobic surfaces and super-lyophobic surface against liquid metal

Figure 22

7.8 μL oxidized Galinstan® droplet on (a) 175 μm pitch pillar array, forming a non-wetting Cassie state (air pockets), (b) 275 μm pitch pillar array, on which the droplet partially fill in surface texture (air pockets and no air pockets area), and (c) 525 μm pitch pillar array (no air pockets), where the droplet fully wets the surface texture. With permission from IEEE MEMS, Copyright 2012.

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