Patents by Inventor Clark D. Reynolds

Clark D. Reynolds 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 for reworking copper metallurgy in semiconductor devices
    Patent number: 6340601
    Abstract: A method of reworking copper metallurgy on semiconductor devices which includes selective removal of insulator, selective removal of copper, non-selective removal of copper and insulator followed by the redeposition of an insulating copper barrier layer and at least one metallurgical interconnect layer.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: January 22, 2002
    Assignee: International Business Machines Corporation
    Inventors: Thomas F. Curran, Jr., Timothy C. Krywanczyk, Michael S. Lube, Matthew D. Moon, Rock Nadeau, Clark D. Reynolds, Dean A. Schaffer, Joel M. Sharrow, Paul H. Smith, Jr., David C. Thomas, Eric J. White, Kenneth H. Yao