DocumentCode
58480
Title
Correspondence: Dexterous ultrasonic levitation of millimeter-sized objects in air
Author
Seah, Sue Ann ; Drinkwater, Bruce ; Carter, Troy ; Malkin, Rob ; Subramanian, Sivaraman
Author_Institution
Dept. of Comput. Sci., Univ. of Bristol, Bristol, UK
Volume
61
Issue
7
fYear
2014
fDate
Jul-14
Firstpage
1233
Lastpage
1236
Abstract
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.
Keywords
Bessel functions; acoustic field; ultrasonics; acoustic levitation; contactless handling; dexterous ultrasonic levitation; first order Bessel function shaped acoustic field; frequency 40 kHz; millimeter sized objects; Acoustic measurements; Acoustics; Arrays; Levitation; Measurement by laser beam; Transducers; Ultrasonic variables measurement;
fLanguage
English
Journal_Title
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
Publisher
ieee
ISSN
0885-3010
Type
jour
DOI
10.1109/TUFFC.2014.3022
Filename
6838818
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