Patents Examined by James J. Lebourne
  • Patent number: 6812471
    Abstract: A method and system for providing a texture to a surface of a workpiece, such as a chamber component is provided. The method comprises providing a workpiece to a texturizing chamber and scanning a beam of electromagnetic energy across the surface of the workpiece to form a plurality of features thereon. The features formed are generally depressions, protuberances, and combinations thereof. The chamber components may include, for example, a chamber shield and related assembly, a target, a shadow ring, a contact ring, a substrate support or other component disposable within a processing chamber. Also provided is a method of reducing contamination in a process chamber. The method comprises scanning a beam of electromagnetic energy across a surface of one or more process chamber components to form a plurality of features thereon, positioning the one or more chamber components into a process chamber, and initiating a process sequence within the process chamber.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: November 2, 2004
    Assignee: Applied Materials, Inc.
    Inventors: Alan R Popiolkowski, Shannon M. Hart, Marc O. Schweitzer, Alan B. Liu, Jennifer L. Watia, Brian West, Mark Menzie