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This paper reports a novel and versatile hybrid microassembly technique that applies water mist on the surface of microparts to assist alignment of microchips. This technique combines the traditional robotic pick-and-place technique and self-assembly technique. Two different approaches are studied: 1) mist-last where a 200μm × 200μm × 70μm SU-8 chip is placed roughly on another chip of the same size...
This paper reports a novel process that positions RFID chips on segmented artificial antenna pattern using hybrid assembly technology. A droplet of water is firstly dispensed to an artificial pattern composed of four pads. Then a 730×730μm RFID chip with four bumps of 20μm in height is released onto the artificial pattern using a robotic microgripper. Finally the RFID chip is self-aligned with the...
This paper reports an in-depth study of a hybrid microassembly technique that combines a robotic micromanipulator and a water droplet self-alignment, which greatly improves the performance of robotic microassembly. The method is experimentally studied on a custom-made microrobotic test platform adapted for the experiments. Four important measures of the microassembly technique are investigated--yield,...
This paper reports an experimental study of environmental effects on a hybrid microhandling technique that combines robotic microhandling and droplet based self-alignment. The effects of relative humidity on reliability and on duration of the hybrid microassembly are studied in two cases. The first one is with 300 ??m ?? 300 ??m ?? 70 ??m SU-8 parts on the top of another part of the same material...
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