Patents by Inventor Christian Butschkow

Christian Butschkow 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).

  • Publication number: 20240145253
    Abstract: A device includes a thinned semiconductor substrate having a first side and a second side opposite to the first side; and at least one radio frequency device at the first side, wherein the second side of the thinned semiconductor substrate is processed to reduce leakage currents or to improve a radio frequency linearity of the at least one radio frequency device through Bosch etchin
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Inventors: Hans Taddiken, Christian Butschkow, Andrea Cattaneo, Henning Feick, Dominik Heiss, Christoph Kadow, Uwe Seidel, Valentyn Solomko, Anton Steltenpohl
  • Publication number: 20240122081
    Abstract: A phase change switching device includes a substrate comprising a main surface, an RF input pad and a plurality of RF output pads disposed over the main surface, and phase change switch connections between the RF input pad and each of the RF output pads, wherein the phase change switch connections each include a phase change material and a heating element thermally coupled to the phase change material, wherein each of the RF output pads are arranged outside of an outer perimeter of the RF input pad, and wherein plurality of RF output pads at least partially surrounds the outer perimeter of the RF input pad.
    Type: Application
    Filed: October 7, 2022
    Publication date: April 11, 2024
    Inventors: Valentyn Solomko, Semen Syroiezhin, Dominik Heiss, Christian Butschkow, Jochen Braumueller
  • Patent number: 11948802
    Abstract: A device includes a thinned semiconductor substrate having a first side and a second side opposite to the first side; and at least one radio frequency device at the first side, wherein the second side of the thinned semiconductor substrate is processed to reduce leakage currents or to improve a radio frequency linearity of the at least one radio frequency device through Bosch etching.
    Type: Grant
    Filed: December 22, 2021
    Date of Patent: April 2, 2024
    Assignee: Infineon Technologies Dresden GmbH & Co. KG
    Inventors: Hans Taddiken, Christian Butschkow, Andrea Cattaneo, Henning Feick, Dominik Heiss, Christoph Kadow, Uwe Seidel, Valentyn Solomko, Anton Steltenpohl
  • Publication number: 20220115499
    Abstract: A device includes a thinned semiconductor substrate having a first side and a second side opposite to the first side; and at least one radio frequency device at the first side, wherein the second side of the thinned semiconductor substrate is processed to reduce leakage currents or to improve a radio frequency linearity of the at least one radio frequency device through Bosch etching.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Hans Taddiken, Christian Butschkow, Andrea Cattaneo, Henning Feick, Dominik Heiss, Christoph Kadow, Uwe Seidel, Valentyn Solomko, Anton Steltenpohl
  • Patent number: 11217453
    Abstract: A method includes providing a semiconductor substrate having a first side and a second side opposite to the first side, forming at least one radio frequency device at the first side; thinning the semiconductor substrate from the second side; and processing the second side of the thinned semiconductor substrate to reduce leakage currents or to improve a radio frequency linearity of the at least one radio frequency device.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: January 4, 2022
    Assignee: INFINEON TECHNOLOGIES DRESDEN GMBH & CO. KG
    Inventors: Hans Taddiken, Christian Butschkow, Andrea Cattaneo, Henning Feick, Dominik Heiss, Christoph Kadow, Uwe Seidel, Valentyn Solomko, Anton Steltenpohl
  • Publication number: 20210043497
    Abstract: A method includes providing a semiconductor substrate having a first side and a second side opposite to the first side, forming at least one radio frequency device at the first side; thinning the semiconductor substrate from the second side; and processing the second side of the thinned semiconductor substrate to reduce leakage currents or to improve a radio frequency linearity of the at least one radio frequency device.
    Type: Application
    Filed: June 17, 2020
    Publication date: February 11, 2021
    Inventors: Hans Taddiken, Christian Butschkow, Andrea Cattaneo, Henning Feick, Dominik Heiss, Christoph Kadow, Uwe Seidel, Valentyn Solomko, Anton Steltenpohl