Patents by Inventor Werner Schustereder

Werner Schustereder 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).

  • Patent number: 11043384
    Abstract: A method of manufacturing a semiconductor device includes reducing a thickness of a semiconductor substrate and/or forming a doped region in the semiconductor substrate. The method further includes changing an ion acceleration energy of an ion beam while effecting a relative movement between the semiconductor substrate and the ion beam impinging on the semiconductor substrate.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: June 22, 2021
    Assignee: Infineon Technologies AG
    Inventors: Moriz Jelinek, Michael Kokot, Christian Krueger, Hans-Joachim Schulze, Werner Schustereder
  • Publication number: 20210159115
    Abstract: Methods for processing a semiconductor substrate are proposed. An example of a method includes forming cavities in the semiconductor substrate by implanting ions through a first surface of the semiconductor substrate. The cavities define a separation layer in the semiconductor substrate. A semiconductor layer is formed on the first surface of the semiconductor substrate. Semiconductor device elements are formed in the semiconductor layer. The semiconductor substrate is separated along the separation layer into a first substrate part including the semiconductor layer and a second substrate part.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Inventors: Werner SCHUSTEREDER, Alexander BREYMESSER, Mihai DRAGHICI, Tobias Franz Wolfgang HOECHBAUER, Wolfgang LEHNERT, Hans-Joachim SCHULZE, Marko David SWOBODA
  • Patent number: 10998402
    Abstract: Crystal lattice vacancies are generated in a pretreated section of a semiconductor layer directly adjoining a process surface. Dopants are implanted at least into the pretreated section. A melt section of the semiconductor layer is heated by irradiating the process surface with a laser beam activating the implanted dopants at least in the melt section.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: May 4, 2021
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Alexander Breymesser, Hans-Joachim Schulze, Holger Schulze, Werner Schustereder
  • Patent number: 10903078
    Abstract: A method for processing a silicon carbide wafer includes implanting ions into the silicon carbide wafer to form an absorption layer in the silicon carbide wafer. The absorption coefficient of the absorption layer is at least 100 times the absorption coefficient of silicon carbide material of the silicon carbide wafer outside the absorption layer, for light of a target wavelength. The silicon carbide wafer is split along the absorption layer at least by irradiating the silicon carbide wafer with light of the target wavelength to obtain a silicon carbide device wafer and a remaining silicon carbide wafer.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: January 26, 2021
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Alexander Breymesser, Guenter Denifl, Mihai Draghici, Bernhard Goller, Tobias Franz Wolfgang Hoechbauer, Wolfgang Lehnert, Roland Rupp, Werner Schustereder
  • Publication number: 20210013310
    Abstract: First dopants are implanted through a larger opening of a first process mask into a silicon carbide body, wherein the larger opening exposes a first surface section of the silicon carbide body. A trench is formed in the silicon carbide body in a second surface section exposed by a smaller opening in a second process mask. The second surface section is a sub-section of the first surface section. The larger opening and the smaller opening are formed self-aligned to each other. At least part of the implanted first dopants form at least one compensation layer portion extending parallel to a trench sidewall.
    Type: Application
    Filed: July 11, 2020
    Publication date: January 14, 2021
    Inventors: Caspar Leendertz, Romain Esteve, Moriz Jelinek, Anton Mauder, Hans-Joachim Schulze, Werner Schustereder
  • Publication number: 20200381253
    Abstract: A silicon carbide substrate is provided that includes a drift layer of a first conductivity type and a trench extending from a main surface of the silicon carbide substrate into the drift layer. First dopants are implanted through a first trench sidewall of the trench. The first dopants have a second conductivity type and are implanted at a first implant angle into the silicon carbide substrate, wherein at the first implant angle channeling occurs in the silicon carbide substrate. The first dopants form a first compensation layer extending parallel to the first trench sidewall.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Inventors: Hans-Joachim SCHULZE, Romain ESTEVE, Moriz JELINEK, Caspar LEENDERTZ, Werner SCHUSTEREDER
  • Publication number: 20200243340
    Abstract: Forming a semiconductor arrangement includes providing a first semiconductor layer having a first surface, forming a first plurality of trenches in the first surface of the first semiconductor layer, each of the trenches in the first plurality having first and second sidewalls that extend from the first surface to a bottom of the respective trench, implanting first type dopant atoms into the first and second sidewalls of each of the trenches in the first plurality, implanting second type dopant atoms into the first and second sidewalls of each of the trenches in the first plurality, and annealing the semiconductor arrangement to simultaneously activate the first type dopant atoms and the second type dopant atoms.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Anton Mauder, Hans Weber, Franz Hirler, Johannes Georg Laven, Hans-Joachim Schulze, Werner Schustereder, Maximilian Treiber, Daniel Tutuc, Andreas Voerckel
  • Patent number: 10679857
    Abstract: A semiconductor device and method is disclosed. In one example, the method for forming a semiconductor device includes forming a trench extending from a front side surface of a semiconductor substrate into the semiconductor substrate. The method includes forming of material to be structured inside the trench. Material to be structured is irradiated with a tilted reactive ion beam at a non-orthogonal angle with respect to the front side surface such that an undesired portion of the material to be structured is removed due to the irradiation with the tilted reactive ion beam while an irradiation of another portion of the material to be structured is masked by an edge of the trench.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: June 9, 2020
    Assignee: Infineon Technologies AG
    Inventors: Johannes Georg Laven, Anton Mauder, Hans-Joachim Schulze, Werner Schustereder
  • Patent number: 10679855
    Abstract: Disclosed is a method that includes forming a plurality of semiconductor arrangements one above the other. In this method, forming each of the plurality of semiconductor arrangements includes: forming a semiconductor layer; forming a plurality of trenches in a first surface of the semiconductor layer; and implanting dopant atoms of at least one of a first type and a second type into at least one of a first sidewall and a second sidewall of each of the plurality of trenches of the semiconductor layer.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: June 9, 2020
    Assignee: Infineon Technologies Austria AG
    Inventors: Anton Mauder, Hans Weber, Franz Hirler, Johannes Georg Laven, Hans-Joachim Schulze, Werner Schustereder, Maximilian Treiber, Daniel Tutuc, Andreas Voerckel
  • Patent number: 10622268
    Abstract: An apparatus and a method for implanting ions are disclosed. In an embodiment, the apparatus includes a receptacle configured to support the wafer, a source of dopants configured to selectively provide dopants to an implantation region of the wafer and a source of radiation configured to selectively irradiate the implantation region.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: April 14, 2020
    Assignee: Infineon Technologies AG
    Inventors: Johannes Georg Laven, Moriz Jelinek, Werner Schustereder, Hans-Joachim Schulze
  • Patent number: 10615039
    Abstract: A semiconductor device includes a device doping region of an electrical device arrangement disposed in a semiconductor substrate. A portion of the device doping region has a vertical dimension of more than 500 nm and a doping concentration of greater than 1*1015 dopant atoms per cm3. The doping concentration of the portion of the device doping region varies by less than 20% from a maximum doping concentration in the device doping region.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: April 7, 2020
    Assignee: Infineon Technologies AG
    Inventors: Johannes Georg Laven, Hans-Joachim Schulze, Werner Schustereder
  • Patent number: 10573533
    Abstract: Various embodiments provide a method of reducing a sheet resistance in an electronic device encapsulated at least partially in an encapsulation material, wherein the method comprises: providing an electronic device comprising a multilayer structure and being at least partially encapsulated by an encapsulation material; and locally introducing energy into the multilayer structure for reducing a sheet resistance.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: February 25, 2020
    Assignee: Infineon Technologies AG
    Inventors: Edward Fuergut, Irmgard Escher-Poeppel, Stephanie Fassl, Paul Ganitzer, Gerhard Poeppel, Werner Schustereder, Harald Wiedenhofer
  • Patent number: 10541301
    Abstract: A method of producing a semiconductor device includes providing a semiconductor body including a semiconductor body material having a dopant diffusion coefficient that is smaller than the corresponding dopant diffusion coefficient of silicon. At least one first semiconductor region doped with dopants of a first conductivity type is produced in the semiconductor body, including by applying a first implantation of first implantation ions. At least one second semiconductor region adjacent to the at least one first semiconductor region and doped with dopants of a second conductivity type complementary to the first conductivity type is produced in the semiconductor body, including by applying a second implantation of second implantation ions.
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: January 21, 2020
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Wolfgang Jantscher, Roland Rupp, Werner Schustereder, Hans Weber
  • Patent number: 10529838
    Abstract: A semiconductor device includes at least one transistor structure. The at least one transistor structure includes an emitter or source terminal, and a collector or drain terminal. A carbon concentration within a semiconductor substrate region located between the emitter or source terminal and the collector or drain terminal varies between the emitter or source terminal and the collector or drain terminal.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: January 7, 2020
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Moriz Jelinek, Johannes Laven, Helmut Oefner, Werner Schustereder
  • Publication number: 20200005957
    Abstract: An apparatus for processing a plurality of semiconductor wafers, the apparatus including a spallation chamber, a neutron producing material mounted in the spallation chamber, a neutron moderator, and an irradiation chamber coupled to the spallation chamber, wherein the neutron moderator is disposed between the spallation chamber and the irradiation chamber, wherein the irradiation chamber is configured to accommodate the plurality of semiconductor wafers, wherein each of the plurality of semiconductor wafers has a first surface and a second surface opposite the first surface, wherein the plurality of semiconductor wafers are positioned so that a first surface of one semiconductor wafer faces a second surface of another semiconductor wafer.
    Type: Application
    Filed: September 13, 2019
    Publication date: January 2, 2020
    Inventors: Markus BINA, Hans-Joachim Schulze, Werner Schustereder
  • Publication number: 20190385852
    Abstract: A method of manufacturing a semiconductor device includes reducing a thickness of a semiconductor substrate and/or forming a doped region in the semiconductor substrate. The method further includes changing an ion acceleration energy of an ion beam while effecting a relative movement between the semiconductor substrate and the ion beam impinging on the semiconductor substrate.
    Type: Application
    Filed: June 5, 2019
    Publication date: December 19, 2019
    Inventors: Moriz Jelinek, Michael Kokot, Christian Krueger, Hans-Joachim Schulze, Werner Schustereder
  • Publication number: 20190378895
    Abstract: Crystal lattice vacancies are generated in a pretreated section of a semiconductor layer directly adjoining a process surface. Dopants are implanted at least into the pretreated section. A melt section of the semiconductor layer is heated by irradiating the process surface with a laser beam activating the implanted dopants at least in the melt section.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 12, 2019
    Inventors: Alexander Breymesser, Hans-Joachim Schulze, Holger Schulze, Werner Schustereder
  • Publication number: 20190362972
    Abstract: A method for processing a silicon carbide wafer includes implanting ions into the silicon carbide wafer to form an absorption layer in the silicon carbide wafer. The absorption coefficient of the absorption layer is at least 100 times the absorption coefficient of silicon carbide material of the silicon carbide wafer outside the absorption layer, for light of a target wavelength. The silicon carbide wafer is split along the absorption layer at least by irradiating the silicon carbide wafer with light of the target wavelength to obtain a silicon carbide device wafer and a remaining silicon carbide wafer.
    Type: Application
    Filed: May 24, 2019
    Publication date: November 28, 2019
    Inventors: Hans-Joachim Schulze, Alexander Breymesser, Guenter Denifl, Mihai Draghici, Bernhard Goller, Tobias Franz Wolfgang Hoechbauer, Wolfgang Lehnert, Roland Rupp, Werner Schustereder
  • Patent number: 10475881
    Abstract: Crystal lattice vacancies are generated in a pretreated section of a semiconductor layer directly adjoining a process surface. Dopants are implanted at least into the pretreated section. A melt section of the semiconductor layer is heated by irradiating the process surface with a laser beam activating the implanted dopants at least in the melt section.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: November 12, 2019
    Assignee: Infineon Technologies AG
    Inventors: Alexander Breymesser, Hans-Joachim Schulze, Holger Schulze, Werner Schustereder
  • Patent number: 10468148
    Abstract: In various embodiments, a method of processing one or more semiconductor wafers is provided. The method includes positioning the one or more semiconductor wafers in an irradiation chamber, generating a neutron flux in a spallation chamber coupled to the irradiation chamber, moderating the neutron flux to produce a thermal neutron flux, and exposing the one or more semiconductor wafers to the thermal neutron flux to thereby induce the creation of dopant atoms in the one or more semiconductor wafers.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: November 5, 2019
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Markus Bina, Hans-Joachim Schulze, Werner Schustereder