Patents by Inventor Elisabeth BRANDL

Elisabeth BRANDL 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).

  • Device and method for separating a temporarily bonded substrate stack
    Patent number: 11534868
    Abstract: A method for separating a temporarily bonded substrate stack by bombardment of a joining layer of the substrate stack by means of laser beams emitted by a laser, characterised in that laser beams of the laser reflected and/or transmitted at the temporarily bonded substrate stack are detected during the bombardment of the joining layer with the laser beams. The invention also relates to a corresponding device.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: December 27, 2022
    Assignee: EV Group E. Thallner GmbH
    Inventors: Elisabeth Brandl, Boris Povazay, Thomas Uhrmann
  • DEVICE AND METHOD FOR SEPARATING A TEMPORARILY BONDED SUBSTRATE STACK
    Publication number: 20210060710
    Abstract: A method for separating a temporarily bonded substrate stack by bombardment of a joining layer of the substrate stack by means of laser beams emitted by a laser, characterised in that laser beams of the laser reflected and/or transmitted at the temporarily bonded substrate stack are detected during the bombardment of the joining layer with the laser beams. The invention also relates to a corresponding device.
    Type: Application
    Filed: September 12, 2017
    Publication date: March 4, 2021
    Applicant: EV Group E. Thallner GmbH
    Inventors: Elisabeth BRANDL, Boris POVAZAY, Thomas UHRMANN