Printing of organic devices through ink jet printing process

Stampa di dispositivi organici mediante processo ink jet printing


By applying the ink jet printing technology, the public-private laboratory TRIPODE, through the ENEA Department NANO, has realized matrix of micro lens, conductive graphene-based or composite-based chemioresistive sensors to detect gases and chemical vapours, and antennas for RFID tags. Different prototypes are printed in a single-sheet mode on different layers typologies.



The technological innovation concerns with the use of a digital technology in optical and electronic applications exploiting their respective potentialities. Indeed, ink jet printing technology allows depositing micro-drops of materials from the liquid phase only in predetermined points and areas, defined thanks to the preliminary device/circuit design to be obtained. The great versatility of functional dispensable materials and of usable substrates has made possible to realize optical components and electronic devices through this selective deposition method, which not requires the use of expensive master and masks, allows reducing process steps and production costs, minimizing wastes, taking advantage of a good environmental impact.



The possibility of manufacturing devices and systems through ink jet printing is of a great interest, because of the possibility to easily convert every printing machine to the production of even completely different geometries, by simply setting up the design of how much is aimed to achieve. Multi-needle and/or multi-nozzle process machines could increase flexibility productions, allowing also the use of different inks at the same time.


Industrial and productive sector.

Consumer electronic; sensors; interconnections for devices matrix.

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