Patents by Inventor Ludwig Busch

Ludwig Busch 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: 20240047289
    Abstract: A molded power semiconductor module includes: one or more power semiconductor dies; a molded body at least partially encapsulating each power semiconductor die and having opposing first and second sides, and lateral sides connecting the first and second sides; and first and second power contacts arranged laterally next to each other at a first one of the lateral sides of the molded body and electrically coupled to the power semiconductor die(s). The power contacts each have opposing first and second sides, each first side having an exposed part exposed from the molded body, each second side having a part that is arranged in a vertical direction below an outline of the respective exposed part of the first side and that is at least partially covered by a protrusion part of the molded body. The vertical direction is perpendicular to the first and second sides of the power contacts.
    Type: Application
    Filed: July 21, 2023
    Publication date: February 8, 2024
    Inventors: Marco Bässler, Patrik Holt Jones, Ludwig Busch, Egbert Lamminger
  • Patent number: 11682611
    Abstract: A power semiconductor module includes a leadframe having a first die pad, a second die pad separated from the first die pad, a first power lead formed as an extension of the first die pad, a second power lead separated from the first and second die pads, and a first connection region formed as an extension of the second power lead alongside the second die pad. A first plurality of power semiconductor dies is attached to the first die pad and electrically coupled in parallel. A second plurality of power semiconductor dies is attached to the second die pad and electrically coupled in parallel. A first electrical connection extends between the first plurality of power semiconductor dies and the second die pad in a first direction. A second electrical connection extends between the second plurality of power semiconductor dies and the first connection region in the first direction.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: June 20, 2023
    Assignee: Infineon Technologies AG
    Inventors: Michael Niendorf, Ludwig Busch, Oliver Markus Kreiter, Christian Neugirg, Ivan Nikitin
  • Patent number: 11621204
    Abstract: A semiconductor module includes: a dual-gauge leadframe having thicker and thinner parts, part of the thinner part forming a high voltage lead; a semiconductor die attached to the thicker part; and a molding compound (MC) encapsulating the die. The thicker leadframe part is disposed at a bottom side of the MC. A side face of the MC has a stepped region between the high voltage lead and thicker leadframe part. A first generally vertical part of the stepped region extends from the high voltage lead to the generally horizontal part, a generally horizontal part of the stepped region extends to the second generally vertical part, and a second generally vertical part of the stepped region extends to the bottom side of the MC. A linear dimension of the generally horizontal part as measured from the first generally vertical part to the second generally vertical part is at least 4.5 mm.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: April 4, 2023
    Assignee: Infineon Technologies AG
    Inventors: Oliver Markus Kreiter, Ludwig Busch, Angel Enverga, Mei Fen Hiew, Tian See Hoe, Elvis Keli, Kean Ming Koe, Sanjay Kumar Murugan, Michael Niendorf, Ivan Nikitin, Bernhard Stiller, Thomas Stoek, Ke Yan Tean
  • Publication number: 20220262693
    Abstract: A semiconductor module includes: a dual-gauge leadframe having thicker and thinner parts, part of the thinner part forming a high voltage lead; a semiconductor die attached to the thicker part; and a molding compound (MC) encapsulating the die. The thicker leadframe part is disposed at a bottom side of the MC. A side face of the MC has a stepped region between the high voltage lead and thicker leadframe part. A first generally vertical part of the stepped region extends from the high voltage lead to the generally horizontal part, a generally horizontal part of the stepped region extends to the second generally vertical part, and a second generally vertical part of the stepped region extends to the bottom side of the MC. A linear dimension of the generally horizontal part as measured from the first generally vertical part to the second generally vertical part is at least 4.5 mm.
    Type: Application
    Filed: February 17, 2021
    Publication date: August 18, 2022
    Inventors: Oliver Markus Kreiter, Ludwig Busch, Angel Enverga, Mei Fen Hiew, Tian See Hoe, Elvis Keli, Kean Ming Koe, Sanjay Kumar Murugan, Michael Niendorf, Ivan Nikitin, Bernhard Stiller, Thomas Stoek, Ke Yan Tean
  • Publication number: 20210398887
    Abstract: A power semiconductor module includes a leadframe having a first die pad, a second die pad separated from the first die pad, a first power lead formed as an extension of the first die pad, a second power lead separated from the first and second die pads, and a first connection region formed as an extension of the second power lead alongside the second die pad. A first plurality of power semiconductor dies is attached to the first die pad and electrically coupled in parallel. A second plurality of power semiconductor dies is attached to the second die pad and electrically coupled in parallel. A first electrical connection extends between the first plurality of power semiconductor dies and the second die pad in a first direction. A second electrical connection extends between the second plurality of power semiconductor dies and the first connection region in the first direction.
    Type: Application
    Filed: June 22, 2020
    Publication date: December 23, 2021
    Inventors: Michael Niendorf, Ludwig Busch, Oliver Markus Kreiter, Christian Neugirg, Ivan Nikitin