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Laser production of articles from powders

United States Patent

November 17, 1998
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
Method and apparatus for forming articles from materials in particulate form in which the materials are melted by a laser beam and deposited at points along a tool path to form an article of the desired shape and dimensions. Preferably the tool path and other parameters of the deposition process are established using computer-aided design and manufacturing techniques. A controller comprised of a digital computer directs movement of a deposition zone along the tool path and provides control signals to adjust apparatus functions, such as the speed at which a deposition head which delivers the laser beam and powder to the deposition zone moves along the tool path.
Lewis; Gary K. (Los Alamos, NM), Milewski; John O. (Santa Fe, NM), Cremers; David A. (Los Alamos, NM), Nemec; Ronald B. (White Rock, NM), Barbe; Michael R. (White Rock, NM)
The Regents of the University of California (Oakland, CA)
08/ 566,430
November 30, 1995
This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.