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).

  • 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
  • Publication number: 20220285178
    Abstract: A device for forming a housing for a power semiconductor module arrangement includes a mold. The mold includes a first cavity including a plurality of first openings and a second opening, the second opening being coupled to a runner system, wherein the runner system is configured to inject a mold material into the first cavity through the second opening. The device further includes a plurality of sleeves or hollow bushings, wherein a first end of each of the plurality of sleeves or hollow bushings is arranged in one of the first openings, and wherein a second end of each of the plurality of sleeves or hollow bushings extends to the outside of the mold, a heating element configured to heat the mold, and a cooling element configured to cool the plurality of sleeves or hollow bushings.
    Type: Application
    Filed: March 3, 2022
    Publication date: September 8, 2022
    Inventor: Andreas Grassmann
  • Publication number: 20220238422
    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: Application
    Filed: January 26, 2021
    Publication date: July 28, 2022
    Inventors: Ivan Nikitin, Timo Bohnenberger, Andreas Grassmann, Martin Mayer, Alexander Roth, Franz Zollner
  • Publication number: 20220238413
    Abstract: A double sided cooling module that includes a leadframe with a top Direct Copper Bonded (DCB) substrate and two or more power transistor submodules. Each one of the power transistor submodules includes a bottom DCB substrate, a spaced-apart row of first wires attached to a top metal layer of the bottom DCB substrate proximate to the first side of the top metal layer, a semiconductor die having a bottom side load path contact attached to a top surface of a die pad portion of the top metal layer, a top side control contact electrically coupled via at least one bond wire to a top surface of a control pad portion of the top metal layer, and an electrically conductive and thermally conductive spacer that is attached to the top side load path contact and to a bottom metal layer of the top DCB substrate. At least one of the first wires is attached to the control pad portion of the top metal layer and to a bottom metal layer of the top DCB substrate.
    Type: Application
    Filed: January 22, 2021
    Publication date: July 28, 2022
    Applicant: Infineon Technologies AG
    Inventor: Andreas GRASSMANN
  • Publication number: 20220230930
    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: Application
    Filed: January 13, 2022
    Publication date: July 21, 2022
    Applicant: Infineon Technologies AG
    Inventor: Andreas GRASSMANN
  • Publication number: 20220115293
    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: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Inventors: Andreas Grassmann, Wolfram Hable, Juergen Hoegerl, Ivan Nikitin, Achim Strass
  • Patent number: 11264356
    Abstract: A method of manufacturing packages is disclosed. In one example, the method comprises providing an electrically conductive sheet being continuous at least in a mounting region, mounting first main surfaces of a plurality of electronic components on the continuous mounting region of the sheet and forming interconnect structures for electrically coupling second main surfaces of the electronic components with the sheet. The second main surfaces oppose the first main surfaces. After the forming, structuring the sheet.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: March 1, 2022
    Assignee: Infineon Technologies AG
    Inventors: Thorsten Meyer, Thomas Behrens, Andreas Grassmann, Martin Gruber, Thorsten Scharf
  • Patent number: 11244886
    Abstract: A package which comprises at least one electronic chip, an encapsulant encapsulating at least part of the at least one electronic chip, and a shielding layer on at least part of an external surface of the encapsulant configured for shielding an interior of the package with regard to cooling fluid for removing thermal energy from the at least one electronic chip.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: February 8, 2022
    Assignee: Infineon Technologies AG
    Inventors: Andreas Grassmann, Wolfram Hable, Juergen Hoegerl, Ivan Nikitin, Achim Strass
  • Patent number: 11171066
    Abstract: A method for manufacturing a semiconductor panel is disclosed. In one example, the method includes providing a first preformed polymer form. The method further includes arranging multiple semiconductor chips over the first preformed polymer form. The method further includes attaching a second preformed polymer form to the first preformed polymer form, wherein the semiconductor chips are arranged between the attached preformed polymer forms, and wherein the attached preformed polymer forms form the semiconductor panel encapsulating the semiconductor chips.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: November 9, 2021
    Assignee: Infineon Technologies AG
    Inventors: Thorsten Meyer, Andreas Grassmann
  • Publication number: 20210225744
    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: January 15, 2021
    Publication date: July 22, 2021
    Inventors: Frank Singer, Marcus Boehm, Andreas Grassmann, Martin Gruber, Uwe Schindler