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Kish-derived graphitic heat spreaders and foils

United States Patent Application

20070107551
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method of producing low cost high thermal conductivity graphitic foils includes the steps of providing a plurality of partially purified waste flakes formed during iron smelting, and compacting the plurality of waste flakes into a flexible foil material. A thermally conductive foil includes a plurality of partially purified pressed waste flakes derived from iron smelting, the foil having trace impurities characteristic of formation during iron smelting.
Klett, James W. (Knoxville, TN), Pappano, Peter J. (Oak Ridge, TN), Boudreaux, Paul John (Lanham, MD)
11/ 274,389
November 15, 2005
STATEMENT REGARDING FEDERALLY SPONSORED [0001] RESEARCH OR DEVELOPMENT [0002] The United States Government has rights in this invention pursuant to Contract No. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.