Commercial Printing Processes for Printed Electronics
Xiaoying Rong, Ph.D
This session will discuss the possible commercial printing processes that are suitable for printed electronics. The processes include screen printing, flexographic printing, and gravure printing. Printing processes have been explored for printed electronics to lower the cost of production and increase the productivity. However, graphic printing has very different quality criteria compared to functional printing. The development in printing technology has made it possible to produce smaller features (30 microns or less) and thinner ink film (a few microns or sub-micron). The challenge of using printing processes for printed electrics is mostly from ink formulation. The rheological property of the functional inks plays very important role in print qualities. These qualities include feature size, edge definition, and surface morphology. This session will also include experimental studies of utilizing commercially available printing equipment and printing plates for printed electronics.