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Open AccessArticle

Capillary Transport of Miniature Soft Ribbons

1
College of Mechanical and Electrical Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
2
Department of Applied Physics, Aalto University, 02150 Espoo, Finland
3
Department of Electrical Engineering and Automation, Aalto University, 02150 Espoo, Finland
*
Author to whom correspondence should be addressed.
Micromachines 2019, 10(10), 684; https://doi.org/10.3390/mi10100684
Received: 19 September 2019 / Revised: 2 October 2019 / Accepted: 8 October 2019 / Published: 11 October 2019
(This article belongs to the Special Issue Robotic Micromanipulation)
Manipulation of soft miniature devices is important in the construction of soft robots, wearable devices, and biomedical devices. However, transport of soft miniature devices is still a challenging task, and few studies has been conducted on the subject. This paper reports a droplet-based micromanipulation method for transporting miniature soft ribbons. We show that soft ribbons can be successfully picked up and released to the target location using water droplets. We analyze the forces involved during the process numerically and investigate the influence of the width of the ribbon on the deformation. We verify that the deformation of a soft ribbon caused by elasto-capillary phenomena can be calculated using a well-known equation for calculating the deflection of a cantilever beam. The experimental and theoretical results show that the deformability of a soft miniature device during manipulation depends on its width. View Full-Text
Keywords: micromanipulation; capillary force; capillary transportation; elasto-capillary; capillary gripper; hydrophilic/superhydrophobic patterned surfaces; soft ribbons micromanipulation; capillary force; capillary transportation; elasto-capillary; capillary gripper; hydrophilic/superhydrophobic patterned surfaces; soft ribbons
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MDPI and ACS Style

Chang, B.; Liu, H.; Ras, R.H.A.; Zhou, Q. Capillary Transport of Miniature Soft Ribbons. Micromachines 2019, 10, 684.

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