ICRA 2011 Paper Abstract


Paper WeP206.2

ITO, Masaki (Nagoya University), Nakajima, Masahiro (Nagoya University), Kojima, Masaru (Nagoya University), Fukuda, Toshio (Nagoya University)

On-Chip Fabrication and Manipulation of Hybrid-Microstructure for Improving Manipulation Performance

Scheduled for presentation during the Regular Sessions "Micro-Nano Robots IV" (WeP206), Wednesday, May 11, 2011, 15:40−15:55, Room 5A

2011 IEEE International Conference on Robotics and Automation, May 9-13, 2011, Shanghai International Conference Center, Shanghai, China

This information is tentative and subject to change. Compiled on July 14, 2020

Keywords Micro/Nano Robots, Micro and Nanoscale Automation


The microstructures are expected to be used as the components of on-chip single cell analysis system such as cell manipulation and measurement tools. We previously proposed a method to fabricate and assemble the microstructures within a microfluidic channel. Micro objects with arbitrary shape are fabricated by illumination of patterned UV-ray through the mask. The arbitrary shape objects are made of the photo-crosslinkable resin on the microfluidic device under a microscope and these objects are manipulated by optical tweezers. In this paper, we report a method of hybrid-microstructures fabrication which improves the trapping efficiency by optical tweezers. The hybrid-microstructure is composed of the photo-crosslinkable resin and polystyrene beads. The manipulation speed of the hybrid-microstructure increases when the optical tweezers trap the polystyrene beads. This is because the trapping efficiency of spherical configuration is higher than that of planar shape. We fabricate this hybrid-microstructure and evaluate the trapping efficiency compared with normal microstructure.



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