Patent ID: 8535020

Claim:
An integrated microfluidic system, comprising: a two-layer microfluidic device, consisting of: a substrate having upper and lower surfaces and microfeatures formed therein, said microfeatures including a plurality of microfluidic channels, and a membrane solvent bonded to the upper surface of the substrate, and having a relaxed state wherein the membrane lies substantially against the upper surface of the substrate thus having a seal between the plurality of microfluidic channels and an actuated state wherein the membrane is moved away from the upper surface of the substrate so as to provide a cavity suitable for fluid flow between the plurality of microfluidic channels, wherein the substrate and the membrane are composed of the same material, wherein the device comprises: a plurality of pump structures each consisting of a portion of the substrate and a portion of the membrane; and a shared outlet/inlet valve, further wherein each of the pump structures includes an inlet/outlet valve and a drive valve that are serially connected by at least one of the microfluidic channels, further wherein the shared outlet/inlet valve is connected, respectively, to each drive valve by a different at least one of the microfluidic channels.