期刊
OPTICS EXPRESS
卷 24, 期 2, 页码 1431-1446出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.24.001431
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- OCS (Office of Chief Scientist) of Israel [51697]
Digital printing of 3D metal micro-structures by laser induced forward transfer under ambient conditions is reviewed. Recent progress has allowed drop on demand transfer of molten, femto-liter, metal droplets with a high jetting directionality. Such small volume droplets solidify instantly, on a nanosecond time scale, as they touch the substrate. This fast solidification limits their lateral spreading and allows the fabrication of high aspect ratio and complex 3D metal structures. Several examples of micron-scale resolution metal objects printed using this method are presented and discussed. (C) 2016 Optical Society of America
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