Patents by Inventor Joachim Schulz

Joachim Schulz 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: 12384184
    Abstract: A printing process for a metal container includes the steps: Heating the metal container, in particular formed as a metal bottle ready for filling, to a pre-treatment temperature lying in an interval between 100 degrees Celsius and 250 degrees Celsius, cooling the metal container to a temperature below 100 degrees Celsius, locally activating a printing zone, formed on an outer surface of the metal container to increase a surface energy of the printing zone and/or locally heating the printing zone to a printing temperature which is in an interval between 30 degrees Celsius and 70 degrees Celsius, printing the printing zone with a printing method.
    Type: Grant
    Filed: August 16, 2022
    Date of Patent: August 12, 2025
    Assignee: Hinterkopf GmbH
    Inventors: Joachim Weber, Ulrich Oberacker, Joachim Schulz, Tobias Mayer, Philipp Steiner
  • Patent number: 12356700
    Abstract: A method of splitting off a semiconductor wafer from a semiconductor bottle includes: forming a separation region within the semiconductor boule, the separation region having at least one altered physical property which increases thermo-mechanical stress within the separation region relative to the remainder of the semiconductor boule; and applying an external force to the semiconductor boule such that at least one crack propagates along the separation region and a wafer splits from the semiconductor boule.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: July 8, 2025
    Assignee: Infineon Technologies AG
    Inventors: Christian Beyer, Francisco Javier Santos Rodriguez, Hans-Joachim Schulze, Marko David Swoboda
  • Publication number: 20250183031
    Abstract: A method of processing a semiconductor wafer includes: forming one or more epitaxial layers over a first main surface of the semiconductor wafer; forming one or more porous layers in the semiconductor wafer or in the one or more epitaxial layers, wherein the semiconductor wafer, the one or more epitaxial layers and the one or more porous layers collectively form a substrate; forming doped regions of a semiconductor device in the one or more epitaxial layers; and after forming the doped regions of the semiconductor device, separating a non-porous part of the semiconductor wafer from a remainder of the substrate along the one or more porous layers.
    Type: Application
    Filed: February 5, 2025
    Publication date: June 5, 2025
    Inventors: Bernhard Goller, Alexander Binter, Tobias Hoechbauer, Martin Huber, Iris Moder, Matteo Piccin, Francisco Javier Santos Rodriguez, Hans-Joachim Schulze
  • Patent number: 12324186
    Abstract: A power semiconductor device includes a semiconductor body having a front side surface, and a first passivation layer arranged above the front side surface. The first passivation layer is a polycrystalline diamond layer.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: June 3, 2025
    Assignee: Infineon Technologies AG
    Inventors: Edward Fuergut, Philipp Sebastian Koch, Stephan Pindl, Hans-Joachim Schulze
  • Patent number: 12272738
    Abstract: A method includes: providing a layer of porous silicon carbide supported by a silicon carbide substrate; providing a layer of epitaxial silicon carbide on the layer of porous silicon carbide; forming semiconductor devices in the layer of epitaxial silicon carbide; and separating the silicon carbide substrate from the layer of epitaxial silicon carbide at the layer of porous silicon carbide. The layer of porous silicon carbide includes dopants defining a resistivity of the layer of porous silicon carbide. The resistivity of the layer of porous silicon carbide is different from a resistivity of the silicon carbide substrate. Additional methods are described.
    Type: Grant
    Filed: July 13, 2023
    Date of Patent: April 8, 2025
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Roland Rupp, Francisco Javier Santos Rodriguez
  • Publication number: 20250105022
    Abstract: A method of manufacturing semiconductor devices in a silicon MCZ (magnetic Czochralski) semiconductor body is proposed. The method includes processing the silicon MCZ semiconductor body by an oxidation process at temperatures exceeding 1150° C. and below 1220° C. Thereafter, platinum (Pt) is introduced into the silicon MCZ semiconductor body.
    Type: Application
    Filed: September 16, 2024
    Publication date: March 27, 2025
    Inventors: Hans-Joachim Schulze, Daniel Schlögl, Josef Riss
  • Publication number: 20250107115
    Abstract: A power semiconductor diode includes: a semiconductor body with a drift region of a first conductivity type; a first load terminal at a first side of the semiconductor body coupled to an anode region of a second conductivity type in the semiconductor body and coupled to the drift region; a second load terminal at a second side of the semiconductor body coupled to both cathode regions of the first conductivity type and short regions of the second conductivity type of a doped region in the semiconductor body and coupled to the drift region; and a resistive element external of the semiconductor body. The diode conducts a load current between the load terminals, a first path of which crosses the anode region, drift region and cathode regions and a second path of which crosses the anode region, drift region and short regions. The resistive element exhibits a resistance having a positive-temperature-coefficient.
    Type: Application
    Filed: September 6, 2024
    Publication date: March 27, 2025
    Inventors: Manfred Pfaffenlehner, Arnab Biswas, Maria Cotorogea, Hans-Joachim Schulze, Philipp Seng
  • Publication number: 20250107128
    Abstract: A power semiconductor device includes: a semiconductor body that conducts a load current between first and second load terminals at opposite first and second sides; a drift region of a first conductivity type; trenches extending from the first side towards the second side and each including a trench electrode; mesas laterally confined by the trenches and each including first and second type mesas; and semiconductor structures each including a serial connection of a first region of the first conductivity type coupled to or formed by the drift region, a second region of a second conductivity type and a third region of the first conductivity type coupled to the first load terminal by at least one of a first ohmic resistor and a Zener diode. Each first type mesa is electrically connected to the first load terminal and devoid of the semiconductor structures which are arranged in the second type mesas.
    Type: Application
    Filed: September 25, 2024
    Publication date: March 27, 2025
    Inventors: Frank Pfirsch, Hans-Joachim Schulze, Vera van Treek
  • Patent number: 12249504
    Abstract: pa The method of processing a semiconductor wafer includes forming one or more epitaxial layers over its first main surface. It also involves forming one or more porous layers within the semiconductor wafer or within the epitaxial layers. Together, the semiconductor wafer, the epitaxial layer(s), and the porous layer(s) form a substrate. Next, doped regions of a semiconductor device are formed within the epitaxial layer(s). After forming these doped regions, a non-porous part of the semiconductor wafer is separated from the rest of the substrate along the porous layer(s).
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: March 11, 2025
    Assignee: Infineon Technologies AG
    Inventors: Bernhard Goller, Alexander Christian Binter, Tobias Hoechbauer, Martin Huber, Iris Moder, Matteo Piccin, Francisco Javier Santos Rodriguez, Hans-Joachim Schulze
  • Patent number: 12249551
    Abstract: A power semiconductor device includes, an active area that conducts load current between first and second load terminal structures, a drift region, and a backside region that includes, inside the active area, first and second backside emitter zones one or both of which includes: first sectors having at least one first region of a second conductivity type contacting the second load terminal structure and a smallest lateral extension of at most 50 ?m; and/or second sectors having a second region of the second conductivity type contacting the second load terminal structure and a smallest lateral extension of at least 50 ?m. The emitter zones differ by at least of: the presence of first and/or second sectors; smallest lateral extension of first and/or second sectors; lateral distance between neighboring first and/or second sectors; smallest lateral extension of the first regions; lateral distance between neighboring first regions within the same first sector.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: March 11, 2025
    Assignee: Infineon Technologies AG
    Inventors: Roman Baburske, Moritz Hauf, Hans-Joachim Schulze, Holger Schulze, Benedikt Stoib
  • Patent number: 12224317
    Abstract: A method of manufacturing a vertical power semiconductor device includes forming a drift region in a semiconductor body having a first main surface and a second main surface opposite to the first main surface along a vertical direction, the drift region including platinum atoms, and forming a field stop region in the semiconductor body between the drift region and the second main surface, the field stop region including a plurality of impurity peaks, wherein a first impurity peak of the plurality of impurity peaks is set a larger concentration than a second impurity peak of the plurality of impurity peaks, wherein the first impurity peak includes hydrogen and the second impurity peak includes helium.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: February 11, 2025
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Christian Jaeger, Moriz Jelinek, Daniel Schloegl, Benedikt Stoib
  • Patent number: 12211703
    Abstract: A method of forming a semiconductor device includes: forming a first semiconductor layer on a semiconductor substrate, the first semiconductor layer being of the same dopant type as the semiconductor substrate, the first semiconductor layer having a higher dopant concentration than the semiconductor substrate; increasing the porosity of the first semiconductor layer; first annealing the first semiconductor layer in an atmosphere including an inert gas; forming a second semiconductor layer on the first semiconductor layer; and separating the second semiconductor layer from the semiconductor substrate by splitting within the first semiconductor layer. Additional methods of forming a semiconductor device are described.
    Type: Grant
    Filed: August 22, 2023
    Date of Patent: January 28, 2025
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Alexander Breymesser, Bernhard Goller, Matthias Kuenle, Helmut Oefner, Francisco Javier Santos Rodriguez, Stephan Voss
  • Publication number: 20250022872
    Abstract: A semiconductor chip includes a semiconductor body having a main surface and a rear surface opposite the main surface, a first bond pad disposed on the main surface, a second bond pad disposed on the rear surface, a first switching device that is monolithically integrated in the semiconductor body and has a first input-output terminal that is electrically connected to the first bond pad, and a second switching device that is monolithically integrated in the semiconductor body and has a first input-output terminal that is electrically connected to the second bond pad.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Inventors: Edward Fuergut, Peter Friedrichs, Ralf Otremba, Hans-Joachim Schulze
  • Publication number: 20250014902
    Abstract: A method of manufacturing a semiconductor device includes forming a doped region in a semiconductor body. Forming the doped region includes: introducing first dopants through a first surface of the semiconductor body at a first vertical reference level by a first ion implantation process; thereafter, applying a first heat treatment to the semiconductor body; and thereafter, introducing second dopants through the first surface of the semiconductor body at the first vertical reference level by a second ion implantation process. An atomic number of the first dopants is equal to an atomic number of the second dopants. An ion implantation energy of the second ion implantation process differs by less than 20% from an ion implantation energy of the first ion implantation process. An ion implantation dose of the second ion implantation process differs by less than 20% from an ion implantation dose of the first ion implantation process.
    Type: Application
    Filed: June 26, 2024
    Publication date: January 9, 2025
    Inventors: Axel König, Kristijan Luka Mletschnig, Andreas Vörckel, Caspar Leendertz, Werner Schustereder, Hans-Joachim Schulze
  • Patent number: 12148544
    Abstract: In order to improve the mechanical stability of an X-ray grating with top bridges for X-ray dark field imaging and/or X-ray phase contrast imaging, it is proposed to reduce or prevent the undesired high stress on the top bridges by a change in the manufacturing process. Specifically, it is proposed to electroplate the top bridges after the bending. In other words, the electroplating of the top bridges is performed on the bent geometry.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: November 19, 2024
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Thomas Koehler, Andriy Yaroshenko, Gereon Vogtmeier, Bernd Rudi David, Juergen Mohr, Paulus René Maria Van Beers, Pascal Meyer, Michael Richter, Joachim Schulz
  • Publication number: 20240371772
    Abstract: A vertical power semiconductor device is proposed. The vertical power semiconductor device includes a silicon carbide (SIC) semiconductor body including a trench structure. The trench structure extends into the SiC semiconductor body at a first surface of the SiC semiconductor body. The trench structure includes a gate electrode and a gate dielectric arranged between the gate electrode and the SiC semiconductor body. An interlayer dielectric structure is arranged on the trench structure. The interlayer dielectric structure includes at least one of an aluminum nitride layer, a silicon nitride layer, an aluminum oxide layer, or a boron nitride layer. The vertical power semiconductor device further includes a source or emitter electrode on the interlayer dielectric structure.
    Type: Application
    Filed: April 19, 2024
    Publication date: November 7, 2024
    Inventors: Saurabh Roy, Josef Schätz, Dethard Peters, Hans-Joachim Schulze
  • Patent number: 12136623
    Abstract: A semiconductor chip includes a semiconductor body having a main surface and a rear surface opposite the main surface, a first bond pad disposed on the main surface, a second bond pad disposed on the rear surface, a first switching device that is monolithically integrated in the semiconductor body and has a first input-output terminal that is electrically connected to the first bond pad, and a second switching device that is monolithically integrated in the semiconductor body and has a first input-output terminal that is electrically connected to the second bond pad.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: November 5, 2024
    Assignee: Infineon Technologies Austria AG
    Inventors: Edward Fuergut, Peter Friedrichs, Ralf Otremba, Hans-Joachim Schulze
  • Patent number: 12107130
    Abstract: A semiconductor device includes a semiconductor substrate having a first dopant and a second dopant. A covalent atomic radius of a material of the semiconductor substrate is i) larger than a covalent atomic radius of the first dopant and smaller than a covalent atomic radius of the second dopant, or ii) smaller than the covalent atomic radius of the first dopant and larger than the covalent atomic radius of the second dopant. The semiconductor device further includes a semiconductor layer on the semiconductor substrate and semiconductor device elements in the semiconductor layer. A vertical concentration profile of the first dopant decreases along at least 80% of a distance between an interface of the semiconductor substrate and the semiconductor layer to a surface of the semiconductor substrate opposite to the interface.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: October 1, 2024
    Assignee: Infineon Technologies AG
    Inventors: Ingo Muri, Johannes Konrad Baumgartl, Oliver Hellmund, Jacob Tillmann Ludwig, Iris Moder, Thomas Neidhart, Gerhard Schmidt, Hans-Joachim Schulze
  • Patent number: 12107128
    Abstract: A method of producing a semiconductor device includes forming a plurality of transistor cells in a SiC substrate and electrically connected in parallel to form a transistor having a specified operating temperature range. Forming each transistor cell includes forming a gate structure having a gate electrode, and a gate dielectric stack separating the gate electrode from the SiC substrate and including a ferroelectric insulator. The method further includes doping the ferroelectric insulator with a doping material such that the Curie temperature of the ferroelectric insulator is in a range above the specified operating temperature range of the transistor.
    Type: Grant
    Filed: September 5, 2023
    Date of Patent: October 1, 2024
    Assignee: Infineon Technologies AG
    Inventors: Saurabh Roy, Thomas Aichinger, Hans-Joachim Schulze
  • Patent number: 12107141
    Abstract: A semiconductor device includes a silicon carbide (SiC) drift zone over a SiC field stop zone and/or a SiC semiconductor substrate. A concentration of Z1/2 defects in the SiC drift zone is at least one order of magnitude smaller than in the SiC field stop zone and/or the SiC semiconductor substrate. Separately or in combination, a concentration of Z1/2 defects in a part of the SiC drift zone is at least one order of magnitude smaller than in another part of the drift zone.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: October 1, 2024
    Assignee: Infineon Technologies AG
    Inventors: Hans-Joachim Schulze, Jens Peter Konrath, Andre Rainer Stegner, Helmut Strack