Patents by Inventor Donald K. Atwood

Donald K. Atwood 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 of forming metal regions
    Patent number: 5230970
    Abstract: A process of radiation-induced formation of a uniform metal or metal oxide region suitable for device application or for repairing transparent defects in pattern metal films of lithographic masks has been found. The process requires that the heat evolved during the radiation-induced reactions be carefully limited to produce the desired uniformity.
    Type: Grant
    Filed: May 28, 1992
    Date of Patent: July 27, 1993
    Assignee: AT&T Bell Laboratories
    Inventors: Donald K. Atwood, Georgia J. Fisanick, Michal E. Gross, Abraham Katzir, Gary L. Wolk