Patents by Inventor Gunter Strebel

Gunter Strebel 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).

  • SINGLE CRYSTAL AND SEMICONDUCTOR WAFER AND APPARATUS AND METHOD FOR PRODUCING A SINGLE CRYSTAL
    Publication number: 20090031945
    Abstract: The disclosure relates to an apparatus and a method for producing a single crystal of semiconductor material. The apparatus comprises a chamber and a crucible which is arranged in the chamber and is enclosed by a crucible heater, a radiation shield for shielding a growing single crystal and thermal insulation between the crucible heater and an inner wall of the chamber. The apparatus may include a resilient seal which seals a gap between the inner wall and the thermal insulation and forms an obstacle for the transport of gaseous iron carbonyls to the single crystal. The disclosure also relates to a method for producing a single crystal of semiconductor material by using the apparatus, the single crystal which is produced and a semiconductor wafer cut therefrom.
    Type: Application
    Filed: July 17, 2008
    Publication date: February 5, 2009
    Applicant: Siltronic AG
    Inventors: Laszlo Fabry, Gunter Strebel, Hans Oelkrug
  • Single crystal and semiconductor wafer and apparatus and method for producing a single crystal
    Publication number: 20070163485
    Abstract: The disclosure relates to an apparatus and a method for producing a single crystal of semiconductor material. The apparatus comprises a chamber and a crucible which is arranged in the chamber and is enclosed by a crucible heater, a radiation shield for shielding a growing single crystal and thermal insulation between the crucible heater and an inner wall of the chamber. The apparatus may include a resilient seal which seals a gap between the inner wall and the thermal insulation and forms an obstacle for the transport of gaseous iron carbonyls to the single crystal. The disclosure also relates to a method for producing a single crystal of semiconductor material by using the apparatus, the single crystal which is produced and a semiconductor wafer cut therefrom.
    Type: Application
    Filed: January 18, 2007
    Publication date: July 19, 2007
    Inventors: Laszlo Fabry, Gunter Strebel, Hans Oelkrug