The invention relates to a microstructured nozzle comprising a plurality ofchannelswhich are produced by micro structuring a plate-like body. The channels ofsaid nozzleare disposed between projections which are arranged in rows next to each otherandwhich project out of the base plate. Said microstructured base plate iscovered with acover plate. The channels are defined within narrow boundaries according toshape,cross-sectional area and length. Said nozzle contains a filter as a primarystructure anda secondary structure is arranged downstream from the filter. The nozzle is,forexample, used with a sprayer enabling an aerosol to be produced from a liquidwhichcontains a medicament.
