Patents by Inventor Douglas Orcutt Brown

Douglas Orcutt Brown 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).

  • Platen for retaining polishing material
    Patent number: 6592439
    Abstract: Generally, a method and apparatus for retaining polishing material is provided. In one embodiment, the apparatus includes a platen having a top surface, a plurality of channels and one or more vacuum ports. The top surface is adapted to support the polishing material. The plurality of channels are formed in a polishing area of the top surface. The vacuum ports are disposed in the platen and at least one port is in communication with at least one of the channels. Upon application of a vacuum to the ports, the channels remove fluids under the polishing material while securing the polishing material to the top surface.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: July 15, 2003
    Assignee: Applied Materials, Inc.
    Inventors: Shijian Li, Manoocher Birang, Ramin Emami, Andrew Nagengast, Douglas Orcutt Brown, Shi-Ping Wang, Martin Scales, John White