Ink Jet Device for Releasing Controllably a Plurality of Substances Onto a Substrate, Method of Discrimination Between a Plurality of Substances and Use of an Ink Jet Device

摘要

The invention provides an ink jet device for releasing controllably a plurality of substances onto a substrate, the device comprising at least a print head comprising a nozzle, the device comprising at least a transducer provided to eject a droplet out of the nozzle, wherein a detection means is assigned to the ink jet device such that the substances are discriminable from each other by means of the detection of the behaviour of the transducer.