Method and apparatus for surface treatment of materials utilizing multiple combined energy sources
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jan 3, 2013
app pub date -
Jun 28, 2012
filing date -
Jun 28, 2011
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Abstract
Material treatment is effected in a treatment region by at least two energy sources, such as (i) an atmospheric pressure plasma and (ii) an ultraviolet laser directed into the plasma and optionally onto the material being treated. Precursor materials may be dispensed before, and finishing material may be dispensed after treatment. Electrodes for generating the plasma may comprise two spaced-apart rollers. Nip rollers adjacent the electrode rollers define a semi-airtight cavity, and may have a metallic outer layer.
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