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UMD
ENMA 490 -
Device Design: Stage 1
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Device Design: Stage 1 (Initial Microchannel Design Concept)Device Design: Stage 1 (Initial Microchannel Design Concept)Device Design: Stage 1(Initial Microchannel Design Concept)•Initial design elements–Cross directional flow–Vertical interconnect•Ideally valve controlled–Symmetric fluid layers–Maximum number of fluid pathsBottom layerMiddle layerTop layerI/OI/ODevice Design: Stage 1 (Initial Microchannel Design Concept)•Materials –Stackable layers made of PDMS–Pyrex substrate–SU-8 molds•Processes–Create two molds from SU-8 –Create PDMS layers from SU-8 mold, two layers from channel mold, one interconnect layer–Stack layers on substrate starting with a channel layer, interconnect layer and second channel layer at 90o
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