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Laser-induced gas plasma machining

United States Patent

October 17, 2017
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
Techniques for removing material from a substrate are provided. A laser beam is focused at a distance from the surface to be treated. A gas is provided at the focus point. The gas is dissociated using the laser energy to generate gas plasma. The substrate is then brought in contact with the gas plasma to enable material removal.
Elhadj; Selim (Livermore, CA), Bass; Isaac Louis (Castro Valley, CA), Guss; Gabriel Mark (Manteca, CA), Matthews; Manyalibo J. (Livermore, CA)
Lawrence Livermore National Security, LLC (Livermore, CA)
13/ 797,495
March 12, 2013
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the U.S. Department of Energy and Lawrence Livermore National Security, LLC, for the operation of Lawrence Livermore National Laboratory.