23 February 2010 Laser sintering of conductive carbon paste on plastic substrate
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This work investigates fabrication of functional conductive carbon paste onto a plastic substrate using a laser. The method allows simultaneous sintering, patterning, and functionalization of the carbon paste. Experiments are carried out to optimize the laser processing parameters. It is shown that sheet resistance values obtained by laser sintering are close to the one specified by the manufacturer using conventional sintering method. Additionally, a heat transfer analysis using numerical methods is conducted to understand the relationship between the temperature during sintering and the sheet resistance values of sintered carbon wires. The process developed in this work has the potential of producing carbon-based electronic components on low cost plastic substrates.
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Edward C. Kinzel, Edward C. Kinzel, Rohan Kelkar, Rohan Kelkar, Xianfan Xu, Xianfan Xu, } "Laser sintering of conductive carbon paste on plastic substrate", Proc. SPIE 7585, Laser-based Micro- and Nanopackaging and Assembly IV, 758506 (23 February 2010); doi: 10.1117/12.846440; https://doi.org/10.1117/12.846440

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