31 October 2017 Optical assembly of microsnap-fits fabricated by two-photon polymerization
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To respond to current demands of nano- and microtechnologies, e.g., miniaturization and integration, different bottom-up strategies have been developed. These strategies are based on picking, placing, and assembly of multiple components to produce microsystems with desired features. This paper covers the fabrication of arbitrary-shaped microcomponents by two-photon polymerization and the trapping, moving, and aligning of these structures by the use of a holographic optical tweezer. The main focus is on the assembly technique based on a cantilever microsnap-fit. More precisely, mechanical properties are characterized by optical forces and a suitable geometry of the snap-fit is designed. As a result of these investigations, a fast and simple assembly technique is developed. Furthermore, disassembly is provided by an optimized design. These findings suggest that the microsnap-fit is suitable for the assembly of miniaturized systems and could broaden the application opportunities of bottom-up strategies.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Jannis Köhler, Yunus Kutlu, Gordon Zyla, Sarah I. Ksouri, Cemal Esen, Evgeny L. Gurevich, Andreas Ostendorf, "Optical assembly of microsnap-fits fabricated by two-photon polymerization," Optical Engineering 56(10), 105105 (31 October 2017). https://doi.org/10.1117/1.OE.56.10.105105 . Submission: Received: 23 March 2017; Accepted: 10 October 2017
Received: 23 March 2017; Accepted: 10 October 2017; Published: 31 October 2017

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