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Comparison of laser and intense pulsed light sintering (IPL) for inkjet-printed copper nanoparticle layers

: Niittynen, J.; Sowade, E.; Kang, H.; Baumann, R.R.; Mäntysalo, M.

Volltext ()

Scientific Reports 5 (2015), Art. 8832
ISSN: 2045-2322
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer ENAS ()

In this contribution we discuss the sintering of an inkjet-printed copper nanoparticle ink based on electrical performance and microstructure analysis. Laser and intense pulsed light (IPL) sintering are employed in order to compare the different techniques and their feasibility for electronics manufacturing. Aconductivity of more than 20% of that of bulk copper material has been obtained with both sintering methods. Laser and IPL sintering techniques are considered to be complementary techniques and are highly suitable in different application fields.