Patents by Inventor Andreas Grassmann

Andreas Grassmann 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: 20250062290
    Abstract: A power semiconductor package includes a plurality of first power semiconductor dies attached to a first metallization layer and a plurality of second power semiconductor dies attached to a second metallization layer. A first structured metal frame disposed above the first metallization layer is electrically connected to a load terminal of each first power semiconductor die. A second structured metal frame disposed above the second metallization layer is electrically connected to a load terminal of each second power semiconductor die and to the first metallization layer. A first lead is electrically connected to the second metallization layer. A second lead is electrically connected to the second metallization layer. A third lead interposed between the first and second leads is electrically connected to the first structured metal frame. A fourth lead is electrically connected to the second structured metal frame.
    Type: Application
    Filed: November 1, 2024
    Publication date: February 20, 2025
    Inventors: Ivan Nikitin, Thorsten Scharf, Marco Bãßler, Andreas Grassmann, Waldemar Jakobi
  • Publication number: 20250054843
    Abstract: A package includes a carrier, an electronic component on the carrier, an encapsulant encapsulating at least part of the carrier and the electronic component, and at least one lead extending beyond the encapsulant and having a punched surface, wherein at least part of at least one side flank of the encapsulant has a sawn texture.
    Type: Application
    Filed: October 30, 2024
    Publication date: February 13, 2025
    Inventors: Frank Singer, Marcus Böhm, Andreas Grassmann, Martin Gruber, Uwe Schindler
  • Publication number: 20250054840
    Abstract: A power module includes: a lead frame having a base region and leads; a plurality of substrates each having a first metallized side attached to the base region of the lead frame, a second metallized side opposite the first metallized side, and an insulating body that electrically isolates the first and second metallized sides from one another; at least one semiconductor die attached to the second metallized side of each substrate; and a mold compound encapsulating the semiconductor dies and part of the lead frame. The semiconductor dies are electrically interconnected within the power module to form part of a power electronics circuit. The base region of the lead frame is electrically isolated from the power electronics circuit by the insulating body of the substrates. The leads of the lead frame protrude from one or more side faces of the mold compound and form terminals of the power module.
    Type: Application
    Filed: August 8, 2023
    Publication date: February 13, 2025
    Inventor: Andreas Grassmann
  • Patent number: 12211824
    Abstract: A power semiconductor package includes first power semiconductor dies attached to a metallization layer of at least one first power electronics carrier and second power semiconductor dies attached to a metallization layer of at least one second power electronics carrier. A first lead frame includes a first structured metal frame electrically connected to a load terminal of each first power semiconductor die, and a second structured metal frame electrically connected to a load terminal of each second power semiconductor die and to the metallization layer of the first power electronics carrier. A second lead frame above the first lead frame includes first and second leads electrically connected to the metallization layer of the second power electronics carrier, a third lead between the first and second leads and electrically connected to the first structured metal frame, and a fourth lead electrically connected to the second structured metal frame.
    Type: Grant
    Filed: April 5, 2023
    Date of Patent: January 28, 2025
    Assignee: Infineon Technologies AG
    Inventors: Ivan Nikitin, Thorsten Scharf, Marco Bäßler, Andreas Grassmann, Waldemar Jakobi
  • Patent number: 12165959
    Abstract: A package includes a carrier, an electronic component on the carrier, an encapsulant encapsulating at least part of the carrier and the electronic component, and at least one lead extending beyond the encapsulant and having a punched surface, wherein at least part of at least one side flank of the encapsulant has a sawn texture.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: December 10, 2024
    Assignee: Infineon Technologies AG
    Inventors: Frank Singer, Marcus Boehm, Andreas Grassmann, Martin Gruber, Uwe Schindler
  • Publication number: 20240387325
    Abstract: A power electronic system includes a semiconductor module that includes a power electronic substrate having opposite first and second sides, power semiconductor die arranged over the second side of the substrate, and an encapsulation encapsulating the power semiconductor dies. The first side of the power electronic substrate is at least partially exposed from a first side of the encapsulation. The semiconductor module is arranged over an exterior surface of a wall of a cooler configured for fluidic cooling, such that the first side of the power electronic substrate faces the wall. The cooler includes cooling structures arranged on an interior surface of the wall. A first portion of the wall directly below the power electronic substrate has a first wall thickness and a second portion of the wall laterally next to the first portion has a second wall thickness, the first wall thickness being greater than the second wall thickness.
    Type: Application
    Filed: May 1, 2024
    Publication date: November 21, 2024
    Inventors: Andreas Grassmann, Steffen Hartmann
  • Publication number: 20240258216
    Abstract: A power module includes a metal frame a metal frame having first and second device attach pads, first and second semiconductor packages each having an encapsulant body and a plurality of leads protruding out from the encapsulant body, and a potting compound that encapsulates both of the first and second semiconductor packages, wherein the first semiconductor package is mounted on the first device attach pad, wherein the second semiconductor package is mounted on the second device attach pad, and wherein terminals from each of the first and second semiconductor packages are electrically accessible from outside of the potting compound.
    Type: Application
    Filed: April 10, 2024
    Publication date: August 1, 2024
    Inventor: Andreas Grassmann
  • Publication number: 20240162129
    Abstract: A substrate arrangement includes: a first metallization layer, nanowires arranged on a surface of the first metallization layer; and a component arranged on the first metallization layer such that a first subset of the nanowires is arranged between the first metallization layer and the component. The nanowires are evenly distributed over a section of the surface area or over the entire surface area of the first metallization layer. Each nanowire includes first and second ends. The first end of each nanowire is inseparably connected to the surface of the first metallization layer. The second end of each nanowire of the first subset is inseparably connected to a surface of one of the component such that the first subset of nanowires forms a permanent connection between the first metallization layer and the component. There are fewer nanowires in the first subset of nanowires than there are total nanowires.
    Type: Application
    Filed: November 8, 2023
    Publication date: May 16, 2024
    Inventors: Christoph Bayer, Michael Fügl, Frank Singer, Thorsten Meyer, Fabian Craes, Andreas Grassmann, Frederik Otto
  • Publication number: 20240162205
    Abstract: A power semiconductor package comprises a leadframe comprising a first die pad, a second die pad and a plurality of external contacts. The first and second die pads are separated by a first gap. A power semiconductor die is arranged on and electrically coupled to a first side of the first die pad. A diode is arranged on and electrically coupled to a first side of the second die pad. A molded body encapsulates the power semiconductor die and the diode, the molded body having a first side, an opposite second side and lateral sides connecting the first and second sides. A second side of the first die pad is exposed from the second side of the molded body. A second side of the second die pad is completely covered by an electrically insulating material.
    Type: Application
    Filed: November 10, 2023
    Publication date: May 16, 2024
    Applicant: Infineon Technologies Austria AG
    Inventors: Marcus BÖHM, Stefan WÖTZEL, Andreas GRASSMANN, Bernd SCHMOELZER, Uwe SCHINDLER
  • Patent number: 11973012
    Abstract: A power module includes a metal frame having a first and second device attach pads, first and second semiconductor packages each having an encapsulant body, a die pad exposed at a lower surface of the encapsulant body, a plurality of leads protruding out from the encapsulant body, and a potting compound that encapsulates both of the first and second semiconductor packages and partially covers the metal frame. The first semiconductor package is mounted on the metal frame such that the die pad of the first semiconductor package faces and electrically contacts the first device attach pad. The second semiconductor package is mounted on the metal frame such that the die pad of the second semiconductor package faces and electrically contacts the second device attach pad. The plurality of leads from each of the first and second semiconductor packages are electrically accessible from outside of the potting compound.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: April 30, 2024
    Assignee: Infineon Technologies Austria AG
    Inventor: Andreas Grassmann
  • Patent number: 11908760
    Abstract: A package is disclosed. In one example, the package comprises a carrier comprising a thermally conductive and electrically insulating layer, a laminate comprising a plurality of connected laminate layers, an electronic component mounted between the carrier and the laminate. An encapsulant is at least partially arranged between the carrier and the laminate and encapsulating at least part of the electronic component.
    Type: Grant
    Filed: January 13, 2022
    Date of Patent: February 20, 2024
    Assignee: Infineon Technologies AG
    Inventor: Andreas Grassmann
  • Patent number: 11862533
    Abstract: A package includes: at least one electronic chip; an encapsulant encapsulating at least part of the at least one electronic chip; a shielding layer on at least part of an external surface of the encapsulant; and a first heat removal body thermally coupled to the at least one electronic chip and configured for removing thermal energy from the at least one electronic chip to a cooling fluid. The encapsulant has a surface portion that extends in a surface region extending laterally directly adjacent to the first heat removal body. The surface portion of the encapsulant delimits part of a cooling cavity configured to guide the cooling fluid. The shielding layer covers the surface portion of the encapsulant. A corresponding electronic device, method of manufacturing the package, method of manufacturing the electronic device, vehicle, and method of using the electronic device are also described.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: January 2, 2024
    Assignee: Infineon Technologies AG
    Inventors: Andreas Grassmann, Wolfram Hable, Juergen Hoegerl, Ivan Nikitin, Achim Strass
  • Publication number: 20230361088
    Abstract: A power semiconductor package includes first power semiconductor dies attached to a metallization layer of at least one first power electronics carrier and second power semiconductor dies attached to a metallization layer of at least one second power electronics carrier. A first lead frame includes a first structured metal frame electrically connected to a load terminal of each first power semiconductor die, and a second structured metal frame electrically connected to a load terminal of each second power semiconductor die and to the metallization layer of the first power electronics carrier. A second lead frame above the first lead frame includes first and second leads electrically connected to the metallization layer of the second power electronics carrier, a third lead between the first and second leads and electrically connected to the first structured metal frame, and a fourth lead electrically connected to the second structured metal frame.
    Type: Application
    Filed: April 5, 2023
    Publication date: November 9, 2023
    Inventors: Ivan Nikitin, Thorsten Scharf, Marco Bäßler, Andreas Grassmann, Waldemar Jakobi
  • Publication number: 20230361087
    Abstract: A molded power semiconductor package includes: at least one first power electronics carrier having a metallization layer disposed on an electrically insulating substrate; a plurality of first power semiconductor dies attached to the metallization layer of the at least one first power electronics carrier; at least one second power electronics carrier having a metallization layer disposed on an electrically insulating substrate; a plurality of second power semiconductor dies attached to the metallization layer of the at least one second power electronics carrier; and a mold compound encasing the plurality of first power semiconductor dies and the plurality of second power semiconductor dies, and at least partly encasing the at least one first power electronics carrier and the at least one second power electronics carrier. The at least one first power electronics carrier and the at least one second power electronics carrier lie in a same plane.
    Type: Application
    Filed: May 4, 2022
    Publication date: November 9, 2023
    Inventors: Ivan Nikitin, Thorsten Scharf, Marco Baessler, Andreas Grassmann, Waldemar Jakobi
  • Publication number: 20230352378
    Abstract: A semiconductor package includes a substrate, a first and a second semiconductor die arranged on the substrate, a molded body encapsulating the first and second semiconductor dies, the molded body including a first external side facing away from the substrate, a plurality of electrical connectors extending at least partially through the molded body from the first external side to the first and/or second semiconductor die, and a plurality of plated conductive tracks arranged in trenches within the molded body on the first external side. T conductive tracks are coupled to the first and/or second semiconductor die by the electrical connectors.
    Type: Application
    Filed: April 21, 2023
    Publication date: November 2, 2023
    Inventors: Andreas Grassmann, Ivan Nikitin
  • Patent number: 11626351
    Abstract: A semiconductor package includes a semiconductor die, an encapsulant body of electrically insulating material that encapsulates the semiconductor die, a thermal conduction plate comprising an outer surface that is exposed from the encapsulant body, a region of thermal interface material interposed between the thermal conduction plate and the semiconductor die, the region of thermal interface material being a liquid or semi-liquid, and a barrier that is configured to prevent the thermal interface material of the region from flowing laterally across the barrier.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: April 11, 2023
    Assignee: Infineon Technologies AG
    Inventors: Ivan Nikitin, Timo Bohnenberger, Andreas Grassmann, Martin Mayer, Alexander Roth, Franz Zollner
  • Patent number: 11598904
    Abstract: A power semiconductor module includes a first substrate, wherein the first substrate includes aluminum, a first aluminum oxide layer arranged on the first substrate, a conductive layer arranged on the first aluminum oxide layer, a first semiconductor chip, wherein the first semiconductor chip is arranged on the conductive layer and is electrically connected thereto, and an electrical insulation material enclosing the first semiconductor chip, wherein the first aluminum oxide layer is configured to electrically insulate the first semiconductor chip from the first substrate.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: March 7, 2023
    Assignee: Infineon Technologies AG
    Inventors: Ivan Nikitin, Dirk Ahlers, Andreas Grassmann, Andre Uhlemann
  • Patent number: 11574889
    Abstract: A method of manufacturing a power module comprising two substrates is provided, wherein the method comprises disposing a compensation layer of a first thickness above a first substrate; disposing a second substrate above the compensation layer; and reducing the thickness of the compensation layer from the first thickness to a second thickness after the second substrate is disposed on the compensation layer.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: February 7, 2023
    Assignee: Infineon Technologies AG
    Inventors: Ottmar Geitner, Wolfram Hable, Andreas Grassmann, Frank Winter, Christian Neugirg, Ivan Nikitin
  • Publication number: 20230035550
    Abstract: A semiconductor device module includes an application board, a plurality of semiconductor device packages disposed on the application board, each one of the semiconductor device packages including a semiconductor die, a leadframe including a plurality of leads, the leads including a spring support and a heat dissipation element, and an encapsulant embedding the semiconductor die and first portions of the leads, an external heatsink, and one or more thermally conductive interface layers disposed between the semiconductor device package and the heatsink.
    Type: Application
    Filed: July 26, 2022
    Publication date: February 2, 2023
    Inventors: Andreas Grassmann, Edward Fuergut, Uwe Schindler
  • Publication number: 20230025736
    Abstract: A power module includes a metal frame having a first and second device attach pads, first and second semiconductor packages each having an encapsulant body, a die pad exposed at a lower surface of the encapsulant body, a plurality of leads protruding out from the encapsulant body, and a potting compound that encapsulates both of the first and second semiconductor packages and partially covers the metal frame. The first semiconductor package is mounted on the metal frame such that the die pad of the first semiconductor package faces and electrically contacts the first device attach pad. The second semiconductor package is mounted on the metal frame such that the die pad of the second semiconductor package faces and electrically contacts the second device attach pad. The plurality of leads from each of the first and second semiconductor packages are electrically accessible from outside of the potting compound.
    Type: Application
    Filed: July 26, 2021
    Publication date: January 26, 2023
    Inventor: Andreas Grassmann