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Collector surface for a microwave tube comprising a carbon-bonded carbon-fiber composite

United States Patent

5,786,666
July 28, 1998
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
In a microwave tube, an improved collector surface coating comprises a porous carbon composite material, preferably a carbon-bonded carbon fiber composite having a bulk density less than about 2 g/cc. Installation of the coating is readily adaptable as part of the tube manufacturing process.
Lauf; Robert J. (Oak Ridge, TN), McMillan; April D. (Knoxville, TN), Johnson; Arvid C. (Lake in the Hills, IL), Moorhead; Arthur J. (Knoxville, TN)
Lockheed Martin Energy Systems, Inc. (Oak Ridge, TN)
08/ 620,512
March 22, 1996
This invention was made with Government support under contract DEAC05-84OR21400 awarded by the Office of Energy Efficiency and Renewable Energy, U.S. Department of Energy to Lockheed Martin Energy Systems, Inc. The Government has certain rights in the invention.