Patents by Inventor Bishal Kafle

Bishal Kafle 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 PRODUCING A SOLAR CELL
    Publication number: 20230361237
    Abstract: The embodiments relate to a method for producing a solar cell having a rear-side contact with a tunnel barrier. A monocrystalline wafer having a front side and a rear side may be provided with silicon and a dopant. A tunnel barrier is produced on the wafer, and a polycrystalline or amorphous layer is deposited on the tunnel barrier. The polycrystalline or amorphous layer includes silicon and a dopant. The polycrystalline or amorphous layer is removed on the front side by gas-phase etching.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Applicants: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V., Nines Photovoltaics
    Inventors: Marc Hofmann, Sebastian Mack, Bishal Kafle, Jochen Rentsch, Nabeel Wahab Khan, Laurent Clochard, Edward Duffy