Figure 4 | Scientific Reports

Figure 4

From: Microvalve array fabrication using selective PDMS (polydimethylsiloxane) bonding through Perfluorooctyl-trichlorosilane passivation for long-term space exploration

Figure 4

Characterization of transfer of PFTCS from a PDMS stamp to different substrates. (A) A simple 5-microvalve chip design. (B-C) The success rate of PFTCS transferred from a PDMS stamp to PDMS features and to glass, respectively. The inset images in (B) and (C) show the location of the PFTCS (green) with respect to the PDMS (red) and glass (blue). (D) PFTCS thickness tracked throughout the fabrication process of a PDMS gate stamped with PFTCS under the optimized fabrication parameters. All results are from 10 of the 5-microvalve chips shown in (A).

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