29 August 2017 On-demand drawing of high aspect-ratio, microsphere-tipped elastomeric micropillars
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Abstract
High aspect-ratio elastomeric micropillars are widely used in a plethora of applications, such as functional surfaces, actuators, and sensors. Their fabrication at arbitrary positions on non-planar substrates, however, has rarely been reported. Here we demonstrate a new technique for facile fabrication of high aspect-ratio, microsphere-tipped elastomeric micropillars on structures with uncommon geometries. As a proof-of-concept exemplary application, a fiber optic contact sensor is realized by integrating a micropillar onto the end facet of an optical fiber. Overall, both the fabrication technique and the resulting outcomes of this work will add new tools to the toolbox of soft-MEMS and softrobotics.
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Qiang Li, Qiang Li, Jaeyoun Kim, Jaeyoun Kim, } "On-demand drawing of high aspect-ratio, microsphere-tipped elastomeric micropillars", Proc. SPIE 10352, Biosensing and Nanomedicine X, 103520P (29 August 2017); doi: 10.1117/12.2273032; https://doi.org/10.1117/12.2273032
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