This invention aims at allowing a consistent increase in the output of selective dispensing of micro-droplets, at making a spatial, targeted selectivity by distributing a predetermined reagent on the predetermined site, and at creating a multifunctional system, easy to adjust....http://www.google.co.uk/patents/US6833112?utm_source=gb-gplus-sharePatent US6833112 - High performance system for the parallel and selective dispensing of micro-droplets, and transportable cartridge and dispensing kit using said system
