Patents by Inventor Mahjoub A. Abdelgadir

Mahjoub A. Abdelgadir 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).

  • Alignment mark having a protective oxide layer for use with shallow trench isolation
    Patent number: 6624039
    Abstract: The present invention provides a semiconductor device including large topography alignment marks, and a method of manufacture therefor. The method of manufacturing the semiconductor device includes forming an isolation trench and an alignment mark in a substrate to a substantially common depth, and forming an etch stop layer in the alignment mark.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: September 23, 2003
    Assignee: Lucent Technologies Inc.
    Inventors: Mahjoub A. Abdelgadir, Stephen C. Kuehne, Alvaro Maury, Scott F. Shive