METHOD AND DEVICE FOR APPLYING A PLURALITY OF MICRODROPLETS ONTO A SUBSTRATE

摘要

The invention relates to a device for applying a plurality of microdroplets onto a substrate. The inventive device comprises a plurality of nozzle openings (14) in a dosage head and a device at every nozzle opening (14) for determining a liquid column of a medium to be dosed. The device is also provided with a pressure chamber (40) that can be filled with a buffer mediu m and that is mounted in such a manner as to simultaneously exert a pressure onto the ends of the liquid columns spaced apart from the nozzle openings (1 4) by means of the buffer medium. The device is further provided with pressure generating means (8, 40) that impinge the buffer medium with pressure so tha t the plurality of nozzle openings (14) simultaneously apply a plurality of microdroplets onto the substrate.