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Arranging microparticles into desired pattern is of particular importance for many applications in the field of micro-electronics-mechanical system, regenerative medicine, tissue engineering and composite fabricating. A variety of techniques for patterning microparticles on the substrate have been developed in recent years based on optic, magnetic and electric field. However, each above mentioned...
In this paper, we present a sound field synthesis technique based on the mode-matching and inverse-filtering to manipulate micro-particles within a given region. The technique employs a set of PZT transducers evenly placed on the perimeter of a 50 mm-radius circle to generate and manipulate the desired local ultrasonic filed. Adjusting the parameters of driven signals applied to the transducer array...
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