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Ink-jet printed dielectric layers containing BaTiO3 nanopowders


  Printed electronics is a new method for making electronics applications, but with growing industry and market is becoming more valuable year by year. In new technologies requiring improved precision it is important to obtain good repeatability and reliability, especially when dosing small amount of materials. For that reason ink-jet printing is one of the most most popular printing technique for precise printed electronics. It is an appropriate method for low cost application and small quantity production in industry or for research and laboratory tests. Ink-jet is a non-contact additive method and does not require stencil, mesh or rotating rollers, ink goes directly from dispenser head to substrate. For that reason loss of material is minimized. Small diameter of nozzle allows to obtain very thin and narrow lines. The smallest line width is 14 - 25 μm [1]. Better efficiency was observed for polymeric photovoltaic device manufactured by ink-jet printing than the same layer thickness made by spin-coating. The reason was faster ink drying in ink-jet method [2]. Non-contact method allows to make 3D-printing such as abluminal coating for stents [3]. Ink-jet printing is an appropriate method for manufacturing passive electronic components like resistors, capacitors [4], biomedical devices like sensors, diagnostic elements [5] and RFID tags [6], organic transistors [7]. Ink-[...]

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