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Sound Waves Levitate SubstratesSystem recently tested uses acoustic waves to levitate liquid drops, millimeter-sized glass microballoons, and other objects for coating by vapor deposition or capillary attraction. Cylindrical contactless coating/handling facility employs a cylindrical acoustic focusing radiator and a tapered reflector to generate a specially-shaped standing wave pattern. Article to be processed is captured by the acoustic force field under the reflector and moves as reflector is moved to different work stations.
Document ID
19810000221
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Lee, M. C.
(CALTECH)
Wang, T. G.
(CALTECH)
Date Acquired
August 11, 2013
Publication Date
November 1, 1982
Publication Information
Publication: NASA Tech Briefs
Volume: 6
Issue: 2
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
NPO-15435
Accession Number
81B10221
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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