Active thermal control of surfaces by steering heating beam in response to sensed thermal radiation
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United States of America Patent
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Dec 7, 1999
Grant Date -
N/A
app pub date -
Aug 6, 1998
filing date -
Aug 7, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for controlling the temperature profile of the surface of a medium such as a solid or a liquid. The surface is imaged onto an array of detectors which generate an electronic output indicative of the temperature profile of the surface. A heating beam provided by a laser is scanned across the surface, providing radiation which heats the surface locally in a pattern based upon the detected temperature profile and the desired temperature profile.
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