Method of decontaminating radioisotope-contaminated surface vicinity region by use of nonthermal laser peeling without re-melting, without re-diffusion and without re-contamination, and apparatus therefor
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United States of America Patent
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Jan 17, 2012
Grant Date -
Aug 26, 2010
app pub date -
May 29, 2007
filing date -
May 29, 2006
priority date (Note) -
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Abstract
Parts, structural components, etc. that have their surfaces contaminated by radioisotopes in the accelerators, nuclear reactors, RI product manufacturing factories, nuclear fuel factories, nuclear fuel reprocessing factories, etc. are decontaminated by non-thermal laser peeling without suffering re-melting, re-diffusing and re-contaminating such that upon non-thermal laser irradiation, areas near the irradiated surface are evaporated and removed faster than the heat generated in the irradiated surface is transmitted to nearby areas.
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