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Orientation-specific self-assembly at air-water interface using magnetic field

Year: 2011

Journal: Solid-State Sensors, Actuators and Microsystems Conference (TRANSDUCERS), 16th International, 2011, 866-869, 20131009

Authors: K.S. Park, R.Baskaran, K.F. Böhringer

Organizations: Department of Electrical Engineering, University of Washington, Seattle, USA; Components Research, Intel Corporation, USA

This paper presents a novel method, supported by numerical and statistical analysis, to achieve orientation-specific self-assembly of millimeter-scale thin silicon parts from an air-water interface. Surface functionalized silicon parts (2000×2000×100 μm3) are assembled in preprogrammed hydrophilic locations on a substrate with self-alignment and unique orientation by a magnetic field.