Rapid prototyping in Printed Electronics

摘要

In this paper a combined technique of screen printing and laser sintering of a paste based on the mixture of silver nanoparticles and silver microflakes is presented. This method is excellent for rapid prototyping or short series production of printed electronics devices. Tests with two different substrates (Polyethylene Terephthalate [PET] and Polyimide [PI] foil) and near infrared diode laser (808 nm) are made. Effects of sintering with different parameters (laser beam power and scanning speed) are presented. Resistances of manufactured patterns are measured and the resistivity is calculated. Possibility of using paste which theoretical sintering temperature is higher than substrate melting point is presented.