Patents Assigned to Semikron Elektronik GmbH & Co. KG
  • Patent number: 11967536
    Abstract: An electronic power unit has a substrate with a perpendicular direction and a flat insulating molded body has a metal layer on a first main face and conductor tracks on a second main face. The substrate is in a non-positive locking or materially-bonded manner on a base plate of the electronic power unit. A first fastening device is on the base plate in a non-positive locking manner on a cooling device or a housing section has a second fastening device provided to arrange the substrate in a non-positive locking manner on a cooling device.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: April 23, 2024
    Assignee: SEMIKRON ELEKTRONIK GMBH CO., KG
    Inventors: Valeriano Cardi, Stefan Hopfe, Maurilio Giovannantonio Muscolino, Matteo Santoro, Werner Obermaier
  • Patent number: 11950362
    Abstract: A method for producing a film composite for electrical connection inside a power electronic switching device has the steps: A) forming a film composite having an electrically insulating insulant film with a first and a second main face. A first electrically conductive metal film, forms conductor tracks insulated from one another on the first main face, and having a second electrically conductive metal film forming conductor tracks arranged insulated from one another on the second main face of the insulant film; B) folding the film composite on a fold line, so that a first contact face of a first conductor track lies on a first contact face of a second conductor track of the first main face, and a second contact face of this first conductor track of the first main face lies on a second contact face of the second conductor track of the first main.
    Type: Grant
    Filed: December 10, 2022
    Date of Patent: April 2, 2024
    Assignee: SEMIKRON ELEKTRONIK GMBH CO., KG
    Inventor: Stefan Schmitt
  • Publication number: 20240079367
    Abstract: A power semiconductor module has a substrate arrangement which has a substrate, wherein the respective substrate has conductor tracks, power semiconductor components arranged on the substrate conductor tracks and electrically conductively contacted therewith, a foil stack arrangement which has at least one foil stack, and the foil stack comprises foil stack conductor tracks.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 7, 2024
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Ingo BOGEN, Stefan OEHLING
  • Patent number: 11916329
    Abstract: An arrangement having a housing and an electrically conductive contact spring is presented, wherein the contact spring has a first and a second orthogonal main plane along its specified spring direction, wherein it is formed so as to be symmetric with respect to the first main plane, x-z plane, and asymmetric with respect to the second main plane, x-y plane, and also with respect to a rotation through 180° about the specified spring direction. The housing has a spring shaft for receiving the contact spring, and wherein this spring shaft likewise has a first and a second main plane, which coincides with the respective main plane of the contact spring, and wherein the spring shaft is formed so as to be symmetric relative to both main planes. And a power semiconductor module having such an arrangement.
    Type: Grant
    Filed: July 6, 2023
    Date of Patent: February 27, 2024
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: André Schlötterer, Harald Kobolla
  • Publication number: 20240022014
    Abstract: An arrangement having a housing and an electrically conductive contact spring is presented, wherein the contact spring has a first and a second orthogonal main plane along its specified spring direction, wherein it is formed so as to be symmetric with respect to the first main plane, x-z plane, and asymmetric with respect to the second main plane, x-y plane, and also with respect to a rotation through 180° about the specified spring direction. The housing has a spring shaft for receiving the contact spring, and wherein this spring shaft likewise has a first and a second main plane, which coincides with the respective main plane of the contact spring, and wherein the spring shaft is formed so as to be symmetric relative to both main planes. And a power semiconductor module having such an arrangement.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 18, 2024
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: André SCHLÖTTERER, Harald KOBOLLA
  • Patent number: 11856687
    Abstract: A power electronics system has a housing, a cooling device, a power semiconductor module and a capacitor device. The cooling device has a first and a second main surface. The power semiconductor module is arranged on the first main surface and is in thermally conducting contact with the cooling device and the capacitor device is arranged on the second main surface and is in thermally conducting contact with the cooling device. At least one DC connection device is connected to a DC module connection of the power semiconductor module and has a first cooling section, which is in thermally conducting contact with the cooling device.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: December 26, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventor: Sandro Bulovic
  • Publication number: 20230390858
    Abstract: A method and a device for pressure sintering connection of a joining group composed of a first and a second joining partner by means of a device with a lower tool and an upper tool having the steps: providing the joining group at room temperature as an initial temperature, arranging the joining group between the supporting surface and the pressure surface, wherein the joining group has no direct thermal contact with the supporting surface and no direct thermal contact with the pressure surface, introducing pressure onto the joining group, wherein at the start of the introduction of pressure the starting temperature of the joining group is no more than 100K above an initial temperature; increasing the temperature of the sintering agent by at least 50K above the starting temperature; ending the introduction of pressure.
    Type: Application
    Filed: May 24, 2023
    Publication date: December 7, 2023
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Dominic BIRKICHT, Matthias DÖRRICH, Silke KRAFT, Erik MICHAELSEN
  • Patent number: 11837525
    Abstract: A module and a power semiconductor device wherein a module is configured with a molded plastic body and load terminal elements of the power semiconductor device, wherein respective load terminal elements are configured as a flat shaped metal body having a first main face and an opposite second main face, and having a first secondary face and an opposite second secondary face. The secondary faces connect the main faces, and have a terminal section, wherein the molded plastic body forms channels and comprises a bottom body part, a first and a second edge body and a partition body. The load terminal elements are arranged with a section in an associated channel, and an edge body of the channel has an indentation directed towards the one main face of the directly neighboring terminal element.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: December 5, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Harald Kobolla, Marco Lederer, Rainer Popp
  • Publication number: 20230360988
    Abstract: An electronic circuit includes a circuit carrier (1), a metal layer (9) and an electrically insulating base layer (2) on the metal layer (9). Conductor tracks (3) are on the base layer (2) and electronic components (4) are arranged on the conductor tracks (3). The conductor tracks (3) and the electronic components (4) are covered using a potting compound (10). A separating layer (11) is arranged between the base layer (2) and the potting compound (10) at least in the areas between the conductor tracks (3). The separating layer (11) consists of an electrically insulating material, which is different from both the material of the base layer (2) and the material of the potting compound (10).
    Type: Application
    Filed: April 27, 2023
    Publication date: November 9, 2023
    Applicant: SEMIKRON ELEKTRONIK GMBH &CO.KG
    Inventors: Eike HAHN, Christian Gõbl
  • Patent number: 11804785
    Abstract: A power electronic arrangement has a plurality of single-phase power semiconductor modules and one multi-phase power semiconductor module, wherein each single-phase power semiconductor module has a first, at least frame-like housing, two first DC voltage terminal elements, a first AC voltage terminal element, first auxiliary terminal elements and a first switching device. The multi-phase power semiconductor module has a second, at least frame-like housing, two second DC voltage terminal elements, at least two second AC voltage terminal elements, second auxiliary terminal elements and a second switching device. The first and second DC voltage terminal elements each form a stack in a section of their length and on the terminal sections are designed identically. All the power semiconductor modules are arranged in a row in the direction of the normal vectors of the respective first longitudinal side.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: October 31, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Jürgen Steger, Andreas Maul
  • Patent number: 11800644
    Abstract: A production method and a power electronic connecting device for a power semiconductor module, wherein the connecting device is designed as a flexible film stack of a first and a second electrically conductive film and an electrically insulating film arranged therebetween, wherein at least one of the electrically conductive films is structured in itself and thus forms a plurality of film conductor tracks, wherein a first one of these film conductor tracks has, in a first section, a first average thickness and, in a second section, a second average thickness which is at least 10%, preferably at least 20%, smaller than the first average thickness.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: October 24, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Markus Düsel, Michael Schatz, Alexander Wehner, Ingo Bogen, Jürgen Steger
  • Patent number: 11791740
    Abstract: A power converter module has a switching device with a substrate with a first and a second DC voltage conductor track and a first and a second DC voltage terminal element connected in an electrically conducting manner with the correct polarity, and having a first and a second DC voltage connection element. The first DC voltage terminal element is connected to the first DC voltage connection element in an electrically conducting manner with the correct polarity by means of a first materially-bonded connection, wherein the second DC voltage terminal element is connected to the second DC voltage connection element in an electrically conducting manner with the correct polarity by means of a second materially-bonded connection.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: October 17, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Ingo Bogen, Florian Fink, Jürgen Steger, Harald Kobolla
  • Patent number: 11776878
    Abstract: A power electronics system has a switching device and a liquid cooling device. A switching device has a plate element, and power semiconductor devices are arranged on conductor tracks and connected by means of a connecting device, wherein the liquid cooling device has a first partial body having an inlet volume region and an outlet volume region and a second partial body. A cooling volume region is formed between the two partial bodies, wherein heat transfer bodies protrude into the cooling volume region from the second partial body. The second partial body is arranged in a recess of the first partial body and the two partial bodies are connected to each other and have a common plane surface which forms a first main surface.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: October 3, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Marco Lederer, Christian Zeiler
  • Publication number: 20230283177
    Abstract: A circuit arrangement and a step-down converter have a first and a second input connection, with a first, upper and a second, lower step-down converter element. The first step-down converter element has a first input capacitor, the first capacitor connection of which is connected to the first input connection and the second capacitor connection of which is connected to the second output connection. A first series connection has a first switch and a first diode in parallel with the first input capacitor, and a first coil input of a first coil is connected to the center tap between the first switch and the first diode, the first coil output of said first coil being connected to the first output connection, and wherein the second step-down converter element has a second input capacitor.
    Type: Application
    Filed: February 8, 2023
    Publication date: September 7, 2023
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventor: KEVORK HADDAD
  • Patent number: 11745263
    Abstract: A method and an apparatus for the pressure-sintering connection of a first and a second connection provide a frame element lowerable onto a frame surface surrounding the supporting surface, having a sintering ram lowerable lowered from the normal direction onto the second connection partner and exerts pressure thereon, and converting a sintering paste between the connection partners into a sintered metal, and having an auxiliary apparatus for the arrangement of a separating film for the peripheral covering of the frame surface and the connection partners. This arrangement of the separating film produces an inner region bounded by the frame element and bounded by a separating film portion within the frame element and by the supporting surface, and injection opening and an outlet opening allow a second gas to flush through said inner region from the injection opening to the outlet opening and displace a first gas.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: September 5, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Dominic Birkicht, Kurt-Georg Besendörfer, Silke Kraft, Erik Michaelsen
  • Publication number: 20230261589
    Abstract: Load bridges (2) of an inverter unit (1) include load branches having semiconductor switches (4, 5, 15, 16), that have a node point (6) which is connected to a load (7) and to two different potentials (P1, P2). Node points (6) are connected via a first resistance circuit (8) to potential (P1). Node points (6) are further connected via second resistance circuits (9) to tap-off points (11). The tap-off points (11) are connected via third resistance circuits (10) to the other potential (P2). At each of the tap-off points (11), a potential (U1, U2, U3) is tapped-off and is fed to a monitoring device (12). The monitoring device (12) determines the difference (U1?) between the tapped-off potentials and the second potential (P2). The control device (3) considers the signals (M1, M2, M3) for the actuation of the load bridges (2).
    Type: Application
    Filed: February 1, 2023
    Publication date: August 17, 2023
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventor: Johannes KLIER
  • Publication number: 20230240035
    Abstract: An electronic power converter is in a housing of a power converter arrangement. A cooling duct for cooling the power converter with a cooling liquid is inside the housing. The cooling duct has a connection supplying the cooling liquid to the cooling duct and for discharging. Mating connections are connected to the connections of the cooling duct. The connections and the mating connections have sealing surfaces which face each other. The interior of the housing and the cooling duct is sealed via sealing devices each have two sealing rings spaced apart from each other. First sealing rings seal the cooling duct and the other sealing rings seal the housing. Annular grooves as outflow ducts in the housing lead off and open out on the outside of the housing and are introduced into the sealing surfaces in the region between the sealing rings.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 27, 2023
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Sandro BULOVIC, Christian ZEILER
  • Patent number: 11706883
    Abstract: A power semiconductor module contains a power semiconductor assembly, a housing which in a housing side with an outer surface has a recess with a direction of passage in the normal direction of the outer surface, having an internal contact device which has an electrically conducting contact inside the housing to an external connection element, designed as a load terminal element, with one section in the recess and having a spring element. The connection element is designed as a rigid metallic shaped body with an inner and an outer contact surface, and the outer contact surface is accessible from the outside, and the connection element is connected to the housing via an electrically insulating and mechanically elastic retaining device such that the connection element is moveable in the direction of passage, and wherein the spring element is arranged and designed in such a way that the spring action thereof acts directly or indirectly on the connection element in the direction of passage.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: July 18, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Sandro Bulovic, Harald Kobolla
  • Patent number: 11705650
    Abstract: A power electronic assembly with a sleeve that has a virtual longitudinal axis and a circuit carrier. The sleeve has a tube-shaped plug-in section which runs around the longitudinal axis, and a first base section arranged at a first end of the plug-in section and runs around the longitudinal axis and extends away from the longitudinal axis. The first base section has at its end a flat first contact surface which runs around the longitudinal axis in a closed manner and which runs in a first plane which runs perpendicular to the longitudinal axis. The first base section has an edge surface which runs around the longitudinal axis in a closed manner and the first base section has a second contact surface which runs from the first contact surface and away from the first plane in the direction towards the edge surface.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: July 18, 2023
    Assignee: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Jörg Ammon, Harald Kobolla, Jürgen Riegel
  • Publication number: 20230197468
    Abstract: A method for manufacturing a power semiconductor module and a power semiconductor module having, in each case, a housing, a switchgear arranged in this housing and having a plurality of connection elements, has the following method steps: A) forming a housing with pre-fixed connection elements; B) arranging the switchgear in the housing and connecting the connection elements to connection surfaces of a substrate of the switchgear; C) arranging a positioning device for fixing the position of the connection elements with respect to one another; D) fixing the connection elements relative to one another and to the housing.
    Type: Application
    Filed: December 10, 2022
    Publication date: June 22, 2023
    Applicant: SEMIKRON ELEKTRONIK GMBH & CO. KG
    Inventors: Stefan OEHLING, Jürgen STEGER