Picosecond Laser Machining of Metallic and Polymer Substrates for Fluidic Driven Self-Alignment

Römer, G.R.B.E. and Arnaldo del Cerro, D. and Pohl, R. and Chang, B. and Liimatainen, V. and Zhou, Q. and Huis in 't Veld, A.J. (2012) Picosecond Laser Machining of Metallic and Polymer Substrates for Fluidic Driven Self-Alignment. Physics procedia, 39 . 628 - 635. ISSN 1875-3892

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Abstract:	Fluidic self-alignment of micro-components relies on creating a receptor site that is able to confine a liquid droplet. When a micro-component is brought in contact with the droplet, capillary forces move the component to its final position. A method to stop the advancing of a liquid from a receptor site, consists of creating geometrical features, such as edges around the site. A picosecond pulsed laser source was used to create suitable edges in a metallic and a polyimide substrate. Subsequently, the self-alignment capabilities of these sites were tested. The receptor sites in polyimide showed the highest success rate
Item Type:	Article
Copyright:	© 2012 Elsevier
Faculty:	Engineering Technology (CTW)
Research Group:	Werktuigbouwkundige automatisering / Mechanical Automation (MA)
Link to this item:	http://purl.utwente.nl/publications/82268
Official URL:	http://dx.doi.org/10.1016/j.phpro.2012.10.082
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