Patents by Inventor Wolfgang STAUDACHER

Wolfgang STAUDACHER 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 AND DEVICE FOR PRODUCING A SINGLE CRYSTAL OF SILICON, WHICH SINGLE CRYSTAL IS DOPED WITH N-TYPE DOPANT
    Publication number: 20230332323
    Abstract: Single crystal silicon cylindrical portions grown by the CZ method and highly doped with one or more n-type dopants so as to have a resistivity of not more than 2 m?cm are prepared by directing dopant in a gas flow from an external sublimation apparatus into the pulling chamber through or below the heat shield, to the bottom of an annular ring of the heat shield and from there through a plurality of nozzles toward the surface of the melt.
    Type: Application
    Filed: December 3, 2020
    Publication date: October 19, 2023
    Applicant: SILTRONIC AG
    Inventors: Wolfgang STAUDACHER, Georg RAMING