CLEANING METHOD
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United States of America Patent
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Issued Date -
Mar 14, 2013
app pub date -
Sep 11, 2012
filing date -
Sep 12, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention relates to a cleaning method using dry ice pellets that make it possible to efficiently peel off a UV resin. The cleaning method according to the present invention is a method for cleaning a surface of an object to be cleaned that is fixed to a fixture by blowing dry ice pellets against the above-described object using dry air. The dry air has a dew point of −60° C. to −80° C. A nozzle for jetting the dry air and the dry ice pellets against the surface of the object is provided, and the distance between the nozzle and the surface of the object is 5 mm to 70 mm. The shape of the nozzle in a cross-section is circular, elliptical or rectangular.
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