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    Contactless pick-and-place of millimetric objects using inverted near-field acoustic levitation

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    2021-02-04
    Date
    2020
    Author
    Andrade, Marco Aurélio Brizzotti 
    Ramos, Tiago S. 
    Adamowski, Julio C. 
    Marzo Pérez, Asier Upna
    Version
    Acceso embargado / Sarbidea bahitua dago
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    Artículo / Artikulua
    Version
    Versión publicada / Argitaratu den bertsioa
    Impact
     
     
     
    10.1063/1.5138598
     
     
     
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    Abstract
    We model and realize an ultrasonic contactless pick-and-place device capable of picking, self-centering, self-orienting, translating, and releasing flat millimetric objects. The device is an ultrasonic Langevin transducer operating at 21 kHz that radiates into air through a tapered tip. Objects are trapped few micrometers below the tip due to the near-field acoustic levitation phenomenon. We firs ... [++]
    We model and realize an ultrasonic contactless pick-and-place device capable of picking, self-centering, self-orienting, translating, and releasing flat millimetric objects. The device is an ultrasonic Langevin transducer operating at 21 kHz that radiates into air through a tapered tip. Objects are trapped few micrometers below the tip due to the near-field acoustic levitation phenomenon. We first investigate the conditions to achieve an attractive force on the object depending on its size and the device operating frequency. Second, we use a 3D acoustic model that describes the converging forces and torque that provide the self-centering and self-orienting capabilities. Third, a more advanced Computational Fluid Dynamics model based on the Navier-Stokes equations explains the small gap between the tip and the trapped object. The contactless manipulation capabilities of the device are demonstrated by picking, transporting, and releasing a Surface Mount Device in air. The presented manipulation concept can be an interesting alternative for manipulating delicate objects such as microelectromechanical devices, silicon dies, or micro-optical devices. [--]
    Subject
    Acoustic levitation, Acoustic phenomena, Acoustic radiation pressure, Computational fluid dynamics, Acoustic modeling, simulation and analysis, Navier Stokes equations
     
    Publisher
    American Institute of Physics
    Published in
    Applied Physics Letters, 2020, 116 (5), 054104
    Departament
    Universidad Pública de Navarra. Departamento de Estadística, Informática y Matemáticas / Nafarroako Unibertsitate Publikoa. Estatistika, Informatika eta Matematika Saila
     
    Publisher version
    https://doi.org/10.1063/1.5138598
    URI
    https://hdl.handle.net/2454/36988
    Sponsorship
    This research was supported by the São Paulo Research Foundation—FAPESP (Grant Nos. 2017/27078-0 and 2018/04101-0).
    Appears in Collections
    • Artículos de revista DEIM - EIMS Aldizkari artikuluak [103]
    • Artículos de revista - Aldizkari artikuluak [2924]
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