Inkjet printing of silver nano-suspensions on ceramic substrates  Sintering temperature effect on electrical properties
The aim of this study is to investigate the effect of sintering temperature on the electrical properties of silver nano-suspensions inkjet printed on sintered alumina tapes. 1.6810?8?m minimum resistivity close to that of silver resistivity was measured after sintering at 700C. To our knowledge this value is one of the lowest measured on inkjet printed metallic lines. Optimisation of a commercial silver nano-suspension containing 15nm silver particles was performed by adding water and ethylene glycol to original suspension, in order to reduce viscosity and allows printing through nozzle with small 21.5?m diameter. After printing, line sintering was performed at different temperatures. Then, resistivity value was assessed on 14.40cm line length.
inkjet silver nano-suspension alumina substrate electrical resistivity