Laser-induced forward transfer of focussed ion beam pre-machined donors |
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Authors: | K.S. Kaur M. FeinaeugleD.P. Banks J.Y. OuF. Di Pietrantonio E. VeronaC.L. Sones R.W. Eason |
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Affiliation: | a Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, UK b Institute of Acoustics and Sensors, CNR 100 00133 Rome, Italy |
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Abstract: | In this paper we report femtosecond laser-induced forward transfer (LIFT) of pre-machined donor films. 1 μm thick zinc oxide (ZnO) films were first machined using the focussed ion beam (FIB) technique up to a depth of 0.8 μm. Debris-free micro-pellets of ZnO with extremely smooth edges and surface uniformity were subsequently printed from these pre-machined donors using LIFT. Printing results of non-machined ZnO donor films and films deposited on top of a polymer dynamic release layer (DRL) are also presented for comparison, indicating the superior quality of transfer achievable and utility of this pre-machining technique. |
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Keywords: | Laser induced forward transfer (LIFT) Focussed ion beam (FIB) ZnO DRL |
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