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: 10410949
    Abstract: A package comprising at least one electronic chip, a first heat removal body thermally coupled to a first main surface of the at least one electronic chip and configured for removing thermal energy from the at least one electronic chip, an encapsulant encapsulating at least part of the at least one electronic chip, and part of the first heat removal body, wherein at least part of a surface of the first heat removal body is roughened.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: September 10, 2019
    Assignees: Infineon Technologies AG, HYUNDAI Motor Company, Kia Motor Corporation
    Inventors: Andreas Grassmann, Juergen Hoegerl, Kiyoung Jang, Ivan Nikitin
  • Patent number: 10373890
    Abstract: In some examples, a device includes a high-side switch, a first high-side conductive element electrically connected to a first load terminal of the high-side switch, and a second high-side conductive element electrically connected to a second load terminal of the high-side switch. The device also includes a layer of cooling material encapsulating the high-side switch, the first high-side conductive element, and the second high-side conductive element. The device further includes a low-side switch, a first low-side conductive element electrically connected to a first load terminal of the low-side switch, and a second low-side conductive element electrically connected to a second load terminal of the low-side switch. The layer of cooling material encapsulates the low-side switch, the first low-side conductive element, and the second low-side conductive element.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: August 6, 2019
    Assignee: Infineon Technologies AG
    Inventors: Juergen Hoegerl, Andreas Grassmann
  • Patent number: 10304751
    Abstract: An electronic sub-module includes a leadframe, a semiconductor chip disposed on the leadframe and an encapsulation material disposed on the leadframe and on the semiconductor chip. The semiconductor chip has a first contact pad on a first main face of the semiconductor chip. The sub-module also includes a first contact element on a first main face of the electronic sub-module. The first contact element is electrically connected with the first contact pad. A surface area of the first contact element is greater than a surface area of the first contact pad.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: May 28, 2019
    Assignee: Infineon Technologies AG
    Inventors: Andreas Grassmann, Juergen Hoegerl
  • Publication number: 20190157192
    Abstract: A package comprising at least one electronic chip, a first heat removal body on which the at least one electronic chip is mounted by a first interconnection, a second heat removal body mounted on or above the at least one electronic chip by a second interconnection, and an encapsulant encapsulating at least part of the at least one electronic chip, part of the first heat removal body and part of the second heat removal body, wherein the first interconnection is configured to have another melting temperature than the second interconnection.
    Type: Application
    Filed: January 3, 2019
    Publication date: May 23, 2019
    Inventors: Andreas Grassmann, Juergen Hoegerl, Angela Kessler, Ivan Nikitin
  • Patent number: 10211133
    Abstract: A package comprising at least one electronic chip, a first heat removal body on which the at least one electronic chip is mounted by a first interconnection, a second heat removal body mounted on or above the at least one electronic chip by a second interconnection, and an encapsulant encapsulating at least part of the at least one electronic chip, part of the first heat removal body and part of the second heat removal body, wherein the first interconnection is configured to have another melting temperature than the second interconnection.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: February 19, 2019
    Assignee: Infineon Technologies AG
    Inventors: Andreas Grassmann, Juergen Hoegerl, Angela Kessler, Ivan Nikitin
  • Patent number: 10199238
    Abstract: A cooling apparatus includes a discrete module and a plastic housing. The discrete module includes a semiconductor die encapsulated by a mold compound, a plurality of leads electrically connected to the semiconductor die and protruding out of the mold compound and a first cooling plate at least partly uncovered by the mold compound. The plastic housing surrounds the periphery of the discrete module. The plastic housing includes a first singular plastic part which receives the discrete module and a second singular plastic part attached to a periphery of the first plastic part. The second plastic part has a cutout which exposes at least part of the first cooling plate and a sealing structure containing a sealing material which forms a water-tight seal around the periphery of the discrete module at a side of the discrete module with the first cooling plate.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 5, 2019
    Assignee: Infineon Technologies AG
    Inventors: Inpil Yoo, Andreas Grassmann
  • Patent number: 10128165
    Abstract: A package comprising at least one electronic chip, an encapsulant encapsulating at least part of the at least one electronic chip, a first electrically conductive contact structure extending partially within and partially outside of the encapsulant and being electrically coupled with at least one first terminal of at least one of the at least one electronic chip, and a second electrically conductive contact structure extending partially within and partially outside of the encapsulant and being electrically coupled with at least one second terminal of at least one of the at least one electronic chip, wherein at least a portion of the first electrically conductive contact structure and at least a portion of the second electrically conductive contact structure within the encapsulant are spaced in a direction between two opposing main surfaces of the package.
    Type: Grant
    Filed: October 28, 2017
    Date of Patent: November 13, 2018
    Assignee: Infineon Technologies AG
    Inventors: Wolfram Hable, Andreas Grassmann, Juergen Hoegerl, Eduard Knauer, Michael Ledutke
  • Publication number: 20180182643
    Abstract: A cooling apparatus includes a discrete module and a plastic housing. The discrete module incudes a semiconductor die encapsulated by a mold compound, a plurality of leads electrically connected to the semiconductor die and protruding out of the mold compound and a first cooling plate at least partly uncovered by the mold compound. The plastic housing surrounds the periphery of the discrete module. The plastic housing includes a first singular plastic part which receives the discrete module and a second singular plastic part attached to a periphery of the first plastic part. The second plastic part has a cutout which exposes at least part of the first cooling plate and a sealing structure containing a sealing material which forms a water-tight seal around the periphery of the discrete module at a side of the discrete module with the first cooling plate.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Inventors: Inpil Yoo, Andreas Grassmann
  • Publication number: 20180138111
    Abstract: A package comprising at least one electronic chip, a first heat removal body on which the at least one electronic chip is mounted by a first interconnection, a second heat removal body mounted on or above the at least one electronic chip by a second interconnection, and an encapsulant encapsulating at least part of the at least one electronic chip, part of the first heat removal body and part of the second heat removal body, wherein the first interconnection is configured to have another melting temperature than the second interconnection.
    Type: Application
    Filed: November 13, 2017
    Publication date: May 17, 2018
    Inventors: Andreas Grassmann, Juergen Hoegerl, Angela Kessler, Ivan Nikitin
  • Publication number: 20180122720
    Abstract: A package comprising at least one electronic chip, an encapsulant encapsulating at least part of the at least one electronic chip, a first electrically conductive contact structure extending partially within and partially outside of the encapsulant and being electrically coupled with at least one first terminal of at least one of the at least one electronic chip, and a second electrically conductive contact structure extending partially within and partially outside of the encapsulant and being electrically coupled with at least one second terminal of at least one of the at least one electronic chip, wherein at least a portion of the first electrically conductive contact structure and at least a portion of the second electrically conductive contact structure within the encapsulant are spaced in a direction between two opposing main surfaces of the package.
    Type: Application
    Filed: October 28, 2017
    Publication date: May 3, 2018
    Inventors: Wolfram HABLE, Andreas GRASSMANN, Juergen HOEGERL, Eduard KNAUER, Michael LEDUTKE
  • Publication number: 20180102302
    Abstract: A chip carrier which comprises a thermally conductive and electrically insulating sheet, a first electrically conductive structure on a first main surface of the sheet, and a second electrically conductive structure on a second main surface of the sheet, wherein the first electrically conductive structure and the second electrically conductive structure extend beyond a lateral edge of the sheet.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 12, 2018
    Inventors: Andreas GRASSMANN, Wolfram HABLE, Juergen HOEGERL, Angela KESSLER, Ivan NIKITIN, Achim STRASS
  • Publication number: 20180096919
    Abstract: A chip carrier for carrying an electronic chip, wherein the chip carrier comprises a mounting section configured for mounting an electronic chip by sintering, and an encapsulation section configured for being encapsulated by an encapsulant.
    Type: Application
    Filed: October 3, 2017
    Publication date: April 5, 2018
    Inventors: Alexander ROTH, Andreas GRASSMANN, Juergen HOEGERL, Angela KESSLER
  • Patent number: 9934990
    Abstract: A cooling apparatus is manufactured by: receiving a discrete module by a first singular part, the discrete module including a semiconductor die encapsulated by a mold compound, a plurality of leads electrically connected to the semiconductor die and protruding out of the mold compound, and a first cooling plate at least partly uncovered by the mold compound; attaching a second singular part to a periphery of the first part to form a housing, the housing surrounding a periphery of the discrete module, the second part having a cutout which exposes the first cooling plate and a sealing structure facing a side of the discrete module with the first cooling plate; and filling the sealing structure with a sealing material which forms a water-tight seal around the periphery of the discrete module at the side of the discrete module with the first cooling plate.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: April 3, 2018
    Assignee: Infineon Technologies AG
    Inventors: Inpil Yoo, Andreas Grassmann
  • Publication number: 20180082921
    Abstract: A package comprising at least one electronic chip, a first heat removal body thermally coupled to a first main surface of the at least one electronic chip and configured for removing thermal energy from the at least one electronic chip, an encapsulant encapsulating at least part of the at least one electronic chip, and part of the first heat removal body, wherein at least part of a surface of the first heat removal body is roughened.
    Type: Application
    Filed: September 20, 2017
    Publication date: March 22, 2018
    Inventors: Andreas GRASSMANN, Juergen HOEGERL, Kiyoung JANG, Ivan NIKITIN
  • Publication number: 20180082925
    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: Application
    Filed: September 21, 2017
    Publication date: March 22, 2018
    Inventors: Andreas GRASSMANN, Wolfram HABLE, Juergen HOEGERL, Ivan NIKITIN, Achim STRASS
  • Publication number: 20180040537
    Abstract: A power module which comprises a semiconductor chip, at least one cooling plate with at least one cooling channel thermally coupled to the semiconductor chip and being configured so that a coolant is guidable through the at least one cooling channel, and an encapsulant encapsulating at least part of the semiconductor chip and part of the at least one cooling channel, wherein at least part of a main surface of the cooling plate forms part of an external surface of the power module.
    Type: Application
    Filed: August 1, 2017
    Publication date: February 8, 2018
    Inventors: Andreas GRASSMANN, Wolfram Hable, Juergen Hoegerl, Ivan Nikitin, Achim Strass
  • Publication number: 20170316999
    Abstract: An electronic sub-module includes a leadframe, a semiconductor chip disposed on the leadframe and an encapsulation material disposed on the leadframe and on the semiconductor chip. The semiconductor chip has a first contact pad on a first main face of the semiconductor chip. The sub-module also includes a first contact element on a first main face of the electronic sub-module. The first contact element is electrically connected with the first contact pad. A surface area of the first contact element is greater than a surface area of the first contact pad.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Inventors: Andreas Grassmann, Juergen Hoegerl
  • Patent number: 9768766
    Abstract: A circuit may comprise an electronic switching element, an integrated sensor, and a low-impedance path from one of the terminals of the sensor to one of the terminals of the electronic switching element.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: September 19, 2017
    Assignee: Infineon Technologies Austria AG
    Inventors: Stefan Willkofer, Gernot Langguth, Wolfgang Roesner, Andreas Grassmann
  • Patent number: 9721863
    Abstract: An electronic module includes a circuit board, having a carrier layer, the carrier layer having a plurality of recess areas in a main surface thereof, and a plurality of electronic sub-modules, each one of the sub-modules being disposed in one of the recess areas and each one of the sub-modules having a carrier, a semiconductor chip disposed on the carrier, and an encapsulation material disposed on the carrier and on the semiconductor chip.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: August 1, 2017
    Assignee: Infineon Technologies AG
    Inventors: Andreas Grassmann, Juergen Hoegerl
  • Publication number: 20170154835
    Abstract: An electronic module is provided, which comprises a first carrier; an electronic chip comprising at least one electronic component and arranged on the first carrier; a spacing element comprising a surface arranged on the electronic chip and being in thermal conductive connection with the at least one electronic component; a second carrier arranged on the spacing element; and a mold compound enclosing the electronic chip and the spacing element at least partially; wherein the spacing element comprises a material having a CTE value being matched with at least one other CTE.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 1, 2017
    Inventors: Christian Neugirg, Andreas Grassmann, Wolfram Hable, Ottmar Geitner, Frank Winter, Alexander Schwarz, Inpil Yoo