Patents by Inventor Leslie Ramsay Betin

Leslie Ramsay Betin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for washing, etching, rinsing, and plating substrates
    Patent number: 8267831
    Abstract: An apparatus comprises a gear mechanism for imparting planetary motion about a central axle to a plurality of mandrels used for holding substrates in a process bath. The plurality of mandrels are mounted to a pair of end plates, the mandrels and end plates collectively comprise a carousel that rotates about the central axle. Each mandrel is also capable of selective rotation about their own mandrel axis parallel to the central axle. The substrates are held by the mandrels at their inner apertures.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: September 18, 2012
    Assignee: Western Digital Technologies, Inc.
    Inventors: Gerald L. Olsen, Lee Ping Huang, Leslie Ramsay Betin