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12 March 2015 Laser sintering of silver nano-particles inks printed on paper substrates
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Abstract
In this work we have investigated the use of laser sintering of different ink-jet printed nano-particle links (NPIs) on paper substrates. Laser sintering is shown to offer a fast and non-destructive way to produce paper based printed electronics. A continuous wave fiber laser source at 1064 nm is used and evaluated in combination with a galvo-scanning mirror system. A conductivity in order of 2.16 * 107 S/m is reached for the silver NPI structures corresponding to nearly 35 % conductivity compared to that of bulk silver and this is achieved without any observable damage to the paper substrate.
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E. Balliu, H. Andersson, M. Hummelgård, H. Olin, and M. Engholm "Laser sintering of silver nano-particles inks printed on paper substrates", Proc. SPIE 9351, Laser-based Micro- and Nanoprocessing IX, 935111 (12 March 2015); https://doi.org/10.1117/12.2078825
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