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Rapid prototyping of microfluidics devices on a piezoelectric substrate

Abstract A new method for rapid prototyping of microfluidic device on a piezoelectric substrate is presented. A clear plastic film is used to cut for channel patterns mold, which is pasted on a glass. Poly(dimethylsiloxane) (PDMS) is filled on the glass and solidified in an oven. After having been peeled off the plastic mold, the PMDS is bonded with a piezoelectric substrate with an interdigital transducer. Red ink solution is used to verify the function of microfluidic device. Results show that the transport velocity of fluid in the channel is 1.312 uL/s, and is affected by the fluid state in the inlet of the channel.