Patents by Inventor William J. Hollywood

William J. Hollywood 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).

  • Abrasive construction for semiconductor wafer modification
    Patent number: 6007407
    Abstract: An abrasive construction for modifying a surface of a workpiece, such as a semiconductor wafer. The abrasive construction comprises: a three-dimensional, textured, fixed abrasive element; at least one resilient element generally coextensive with the fixed abrasive element; and at least one rigid element generally coextensive with and interposed between the resilient element and the fixed abrasive element, wherein the rigid element has a Young's Modulus greater than that of the resilient element.
    Type: Grant
    Filed: August 20, 1997
    Date of Patent: December 28, 1999
    Assignees: Minnesota Mining and Manufacturing Company, Exclusive Design Company, Inc.
    Inventors: Denise R. Rutherford, Douglas P. Goetz, Cristina U. Thomas, Richard J. Webb, Wesley J. Bruxvoort, James D. Buhler, William J. Hollywood
  • Abrasive construction for semiconductor wafer modification
    Patent number: 5692950
    Abstract: An abrasive construction for modifying a surface of a workpiece, such as a semiconductor wafer. The abrasive construction comprises: a three-dimensional, textured, fixed abrasive element; at least one resilient element generally coextensive with the fixed abrasive element; and at least one rigid element generally coextensive with and interposed between the resilient element and the fixed abrasive element, wherein the rigid element has a Young's Modulus greater than that of the resilient element.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: December 2, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Denise R. Rutherford, Douglas P. Goetz, Cristina U. Thomas, Richard J. Webb, Wesley J. Bruxvoort, James D. Buhler, William J. Hollywood