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Inkjet technology is believed to be suitable for the mask-less production of various electronic devices. Printed electronics using inkjet technologies have major benefits as shown below: 1) direct printing of metal patterns on large and/or flexible substrates is possible, 2) the waste of coating materials, which are usually expensive, is minimized. In this paper, the jetting characteristics of Ag nano particle dispersed ink with shear mode piezo print heads are described. A 2.7 pl droplet can be ejected with a minimum line width of 70 μm. For applications with flexible substrates, the inkjet patterning of electrodes for PCBs and thin film coating on PET substrates are described using a line-head module.

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