Insect-Based Nano and Micro Composite Systems with Structured Surfaces

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Purpose of this project is creating composite microsystems that consist of micrometer-sized mechanisms and nano-structured functional surfaces. Following four themes were studied.1.Ant-inspired wall-climbing robot with microstructured adhesive legsAdhesive pads which supply a small amount of liquid on their surfaces were developed and mounted on the legs of the robot. The robot successfully adhered on a vertical glass surfaces.2.Watei-strider robot with microstructured water-repellent legsAutonomous water strider robots with microfabricated hydrophobic legs has been developed. The robot successfully stayed on a water by surface tension and also moved forward and made left/right turns utilizing the vibration of the legs.3.Self assembly of micro hinged mechanisms using thermal shrinkage of polyimide films.Three dimensional (3-D) micro hinged structures fabricated with MEMS technologies and a simple self-assembly process using thermal shrinkage of polyimide have been developed.4.Development of microactuators using biomolecular motor proteinsCircular-oriented biomolecular rails for actuating micro elements by bioenergy were developed.