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Solar selective absorption coatings

United States Patent

October 14, 2003
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
A new class of solar selective absorption coatings are disclosed. These coatings comprise a structured metallic overlayer such that the overlayer has a sub-micron structure designed to efficiently absorb solar radiation, while retaining low thermal emissivity for infrared thermal radiation. A sol-gel layer protects the structured metallic overlayer from mechanical, thermal, and environmental degradation. Processes for producing such solar selective absorption coatings are also disclosed.
Mahoney; Alan R. (Albuquerque, NM), Reed; Scott T. (Albuquerque, NM), Ashley; Carol S. (Albuquerque, NM), Martinez; F. Edward (Horseheads, NY)
Sandia Corporation (Albuquerque, NM)
09/ 569,990
May 11, 2000
This invention was made with Government support under Contract DE-AC04-94DP85000 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.