Laminar Flow for Liquid Extraction and Microfabrication

FIGURE 3.16 (a) Schematic cross-sectional view of the guide structures for stabilizing a three-phase liquid flow, (b) 3D image of the guide structures [428]. Reprinted with permission from the American Chemical Society. 

FIGURE 3.20 Pressure-sensitive valves. The laminar flow scheme for patterning surface free energies inside channels with two different trichlorosilanes, OTS and HFTS, is shown in (a). Images of flow patterns of a rhodamine B solution obtained in increasing pressures from (b), (c), to (d) [433]. Reprinted with permission from Nature Publishing Group. 

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