Journal
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL
Volume 61, Issue 7, Pages 1233-1236Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TUFFC.2014.3022
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Funding
- UK Engineering and Physical Sciences Research Council [EP/J004448/1]
- EPSRC [EP/J004448/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J004448/1] Funding Source: researchfish
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Acoustic levitation in air has applications in contactless handling and processing. Here a first-order Bessel-function-shaped acoustic field, generated using an 8-element circular array operating at 40 kHz, traps millimeter-sized objects against gravity. The device can manipulate objects in a vertical plane over a few millimeters with an accuracy of +/- 0.09 mm.
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