Patents by Inventor Ernst Demm

Ernst Demm 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).

  • Patent number: 7842592
    Abstract: There is disclosed a method of applying stress to a channel region underneath a gate of a field-effect-transistor, which includes the gate, a source region, and a drain region. The method includes steps of embedding stressors in the source and drain regions of the FET; forming a stress liner covering the gate and the source and drain regions; removing a portion of the stress liner, the portion of the stress liner being located on top of the gate of the FET; removing at least a substantial portion of the gate of a first gate material and thus creating an opening therein; and filling the opening with a second gate material.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: November 30, 2010
    Assignees: International Business Machines Corporation, Infineon Technologies AG
    Inventors: Thomas Dyer, Rajendran Krishnasamy, Jin-Ping Han, Ernst Demm
  • Publication number: 20080305621
    Abstract: There is disclosed a method of applying stress to a channel region underneath a gate of a field-effect-transistor, which includes the gate, a source region, and a drain region. The method includes steps of embedding stressors in the source and drain regions of the FET; forming a stress liner covering the gate and the source and drain regions; removing a portion of the stress liner, the portion of the stress liner being located on top of the gate of the FET; removing at least a substantial portion of the gate of a first gate material and thus creating an opening therein; and filling the opening with a second gate material.
    Type: Application
    Filed: June 8, 2007
    Publication date: December 11, 2008
    Applicants: INTERNATIONAL BUSINESS MACHINES CORPORATION, INFINEON TECHNOLOGIES NORTH AMERICA CORP.
    Inventors: Thomas Dyer, Rajendran Krishnasamy, Jin-Ping Han, Ernst Demm
  • Patent number: 7235454
    Abstract: A method of forming a metal-insulator-metal (MIM) capacitor wherein a plate of a MIM capacitor is formed in the entire thickness of a metallization layer of a semiconductor device. At least one thin conductive material layer is disposed within the material of the metallization layer to reduce the surface roughness of the metallization layer, thus improving the reliability of the MIM capacitor. The thin conductive material layer may comprise TiN, TaN, or WN and may alternatively comprise a barrier layer disposed over or under the TiN, TaN, or WN. One plate of the MIM capacitor is patterned using the same mask that is used to pattern conductive lines in a metallization layer, thus reducing the number of masks that are required to manufacture the MIM capacitor.
    Type: Grant
    Filed: June 13, 2006
    Date of Patent: June 26, 2007
    Assignee: Infineon Technologies AG
    Inventors: Sun-Oo Kim, Ernst Demm
  • Publication number: 20070118828
    Abstract: A reduction in the intersection of vias on the last layer (“VL”) and holes in the last thin metal layer (“MLHOLE”) can be achieved without degrading product yield or robustness or increasing copper dishing. The mutation of some dense redundant VLs to MLHOLEs decreases the number of intersections between VLs and MLHOLEs.
    Type: Application
    Filed: January 16, 2007
    Publication date: May 24, 2007
    Inventors: Robert Wong, Ernst Demm, Pak Leung, Alexander Hirsch
  • Publication number: 20060231920
    Abstract: A method of forming a metal-insulator-metal (MIM) capacitor wherein a plate of a MIM capacitor is formed in the entire thickness of a metallization layer of a semiconductor device. At least one thin conductive material layer is disposed within the material of the metallization layer to reduce the surface roughness of the metallization layer, thus improving the reliability of the MIM capacitor. The thin conductive material layer may comprise TiN, TaN, or WN and may alternatively comprise a barrier layer disposed over or under the TiN, TaN, or WN. One plate of the MIM capacitor is patterned using the same mask that is used to pattern conductive lines in a metallization layer, thus reducing the number of masks that are required to manufacture the MIM capacitor.
    Type: Application
    Filed: June 13, 2006
    Publication date: October 19, 2006
    Inventors: Sun-Oo Kim, Ernst Demm
  • Patent number: 7112507
    Abstract: A method of forming a metal-insulator-metal (MIM) capacitor wherein a plate of a MIM capacitor is formed in the entire thickness of a metallization layer of a semiconductor device. At least one thin conductive material layer is disposed within the material of the metallization layer to reduce the surface roughness of the metallization layer, thus improving the reliability of the MIM capacitor. The thin conductive material layer may comprise TiN, TaN, or WN and may alternatively comprise a barrier layer disposed over or under the TiN, TaN, or WN. One plate of the MIM capacitor is patterned using the same mask that is used to pattern conductive lines in a metallization layer, thus reducing the number of masks that are required to manufacture the MIM capacitor.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: September 26, 2006
    Assignee: Infineon Technologies AG
    Inventors: Sun-Oo Kim, Ernst Demm
  • Publication number: 20050112836
    Abstract: A method of forming a metal-insulator-metal (MIM) capacitor wherein a plate of a MIM capacitor is formed in the entire thickness of a metallization layer of a semiconductor device. At least one thin conductive material layer is disposed within the material of the metallization layer to reduce the surface roughness of the metallization layer, thus improving the reliability of the MIM capacitor. The thin conductive material layer may comprise TiN, TaN, or WN and may alternatively comprise a barrier layer disposed over or under the TiN, TaN, or WN. One plate of the MIM capacitor is patterned using the same mask that is used to pattern conductive lines in a metallization layer, thus reducing the number of masks that are required to manufacture the MIM capacitor.
    Type: Application
    Filed: November 24, 2003
    Publication date: May 26, 2005
    Inventors: Sun-Oo Kim, Ernst Demm
  • Publication number: 20050098898
    Abstract: A reduction in the intersection of vias on the last layer (“VL”) and holes in the last thin metal layer (“MLHOLE”) can be achieved without degrading product yield or robustness or increasing copper dishing. The mutation of some dense redundant VLs to MLHOLEs decreases the number of intersections between VLs and MLHOLEs.
    Type: Application
    Filed: November 6, 2003
    Publication date: May 12, 2005
    Inventors: Robert Wong, Ernst Demm, Pak Leung, Alexander Hirsch