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Dispenser and aerosoljet printed electrical functionalities

: Dani, Ines; Stepien, Lukas; Greifzu, Moritz; Roch, Aljoscha; Leyens, Christoph

3rd Fraunhofer Direct Digital Manufacturing Conference, DDMC 2016. Proceedings : 16-17 March 2016, Berlin, Germany
Stuttgart: Fraunhofer Verlag, 2016
ISBN: 978-3-8396-1001-5
4 pp.
Fraunhofer Direct Digital Manufacturing Conference (DDMC) <3, 2016, Berlin>
European Commission EC
Nano-carbons for versatile power supply modules
Conference Paper
Fraunhofer IWS ()

Printing offers the possibility to add electrical functionalities on or into 3D components. The process generates 2D and 3D structures or multilayers with a high material utilization. For high viscosity pastes dispenser printing was applied; for low viscosity materials and fine patterns aerosoljet printing is suited. Mainly polymers are used as active printed material. Besides, a wide variety of metal based contact materials is available including silver, copper or nickel. As application example the printing of polymer based thermoelectric modules for the cost-efficient recycling of waste heat in the temperature range from room temperature up to 100 °C was demonstrated. Several designs are evaluated. Beneath two vertical designs also the printing of p-type and n-type thermoelectric material into non-woven substrates is studied, enabling the manufacturing of flexible thermoelectric modules in a continuous, automated process.