A micro-fluidic device containing a micro-fluidic inlet channel to convey a process flow, a plurality of micro-fluidic focusing channels to each convey one of a plurality of focusing flows, a focusing manifold coupled with the inlet channel at an inlet port thereof and with the plurality of focusing...http://www.google.ca/patents/US7115230?utm_source=gb-gplus-sharePatent US7115230 - Hydrodynamic focusing devices
