Patents by Inventor Markus Baer

Markus Baer 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 for pulling a silicon single crystal
    Patent number: 8758506
    Abstract: The invention relates to a method for pulling a silicon single crystal from a melt which is contained in a crucible, comprising immersion of a seed crystal into the melt; crystallization of the single crystal on the seed crystal by raising the seed crystal from the melt with a crystal pull speed; widening the diameter of the single crystal to a setpoint diameter in a conical section, comprising control of the crystal pull speed in such a way as to induce a curvature inversion of a growth front of the single crystal in the conical section.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: June 24, 2014
    Assignee: Siltronic AG
    Inventor: Markus Baer
  • Method For Pulling A Silicon Single Crystal
    Publication number: 20100316551
    Abstract: The invention relates to a method for pulling a silicon single crystal from a melt which is contained in a crucible, comprising immersion of a seed crystal into the melt; crystallization of the single crystal on the seed crystal by raising the seed crystal from the melt with a crystal pull speed; widening the diameter of the single crystal to a setpoint diameter in a conical section, comprising control of the crystal pull speed in such a way as to induce a curvature inversion of a growth front of the single crystal in the conical section.
    Type: Application
    Filed: March 16, 2010
    Publication date: December 16, 2010
    Applicant: SILTRONIC AG
    Inventor: Markus Baer