Removing contamination
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Mar 20, 1997
filing date -
Jun 17, 1994
priority date (Note) -
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Abstract
A method of removing from the surface of an object a contaminating substance buried in an organic substance on the surface of the object, the method including directing a laser beam at the organic substance to cause chemical change of the organic material or direct removal of the organic material by laser generated chemical change.
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