Method and system for removing a coating from a substrate using radiant energy and a particle stream
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United States of America Patent
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Jul 12, 1994
Grant Date -
N/A
app pub date -
Dec 24, 1991
filing date -
Dec 24, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided for removing material from a structure having at least one layer of material formed on a substrate. The method includes the steps of irradiating a target area of a structure with radiant energy sufficient to break or weaken chemical bonds in the material, and impinging the target area with a particle stream to remove the pyrolyzed material from the structure. The method may be implemented by a system comprising a housing having a window; a radiant energy source mounted in the housing for irradiating the target area of the structure with the radiant energy; and a nozzle mounted to the exterior of the housing for directing the stream of particles at the target area.
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