Patents by Inventor Anton Mauder

Anton Mauder 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: 10276681
    Abstract: In accordance with an embodiment, a method include switching on a transistor device by generating a first conducting channel in a body region by driving a first gate electrode and, before generating the first conducting channel, generating a second conducting channel in the body region by driving a second gate electrode. The first gate electrode is dielectrically insulated from a body region by a first gate dielectric, and the second gate electrode is dielectrically insulated from the body region by a second gate dielectric, arranged adjacent the first gate electrode, and separated from the first gate electrode by a separation layer. The body region is arranged between a source region and a drift region, and wherein the drift region is arranged between body region and a drain region.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: April 30, 2019
    Assignee: INFINEON TECHNOLOGIES AUSTRIA AG
    Inventors: Markus Bina, Anton Mauder, Jens Barrenscheen
  • Publication number: 20190123193
    Abstract: In an embodiment, a semiconductor device is provided. The semiconductor device includes: a semiconductor body of a first conductivity type having opposing first and second major surfaces; a gate arranged in a trench extending into the semiconductor body from the first major surface; a body region of a second conductivity type; a source region of the first conductivity type arranged on the body region and having first and second dopant species. The source region forms a pn-junction with the body junction, the pn-junction being arranged at a depth dpn from the first major surface, wherein 50 nm<dpn<300 nm. A drain region of the first conductivity type is arranged in the semiconductor body under the trench.
    Type: Application
    Filed: October 19, 2018
    Publication date: April 25, 2019
    Inventors: Anton Mauder, Johannes Georg Laven, Hans-Joachim Schulze, Werner Schustereder
  • Publication number: 20190109188
    Abstract: A power semiconductor device is disclosed. The device includes a semiconductor body coupled to a first load terminal structure and a second load terminal structure, a first cell and a second cell. A first mesa is included in the first cell, the first mesa including: a first port region and a first channel region. A second mesa included in the second cell, the second mesa including a second port region. A third cell is electrically connected to the second load terminal structure and electrically connected to a drift region. The third cell includes a third mesa comprising: a third port region, a third channel region, and a third control electrode.
    Type: Application
    Filed: November 20, 2018
    Publication date: April 11, 2019
    Applicant: Infineon Technologies AG
    Inventors: Anton Mauder, Franz-Josef Niedernostheide, Frank Dieter Pfirsch, Christian Philipp Sandow
  • Patent number: 10254327
    Abstract: Devices and methods are provided, which detect a short circuit condition related to a semiconductor switch. A short circuit condition may be determined when a control signal of the switch exceeds a first reference, and a change of load current of the switch exceeds a second reference.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: April 9, 2019
    Assignee: Infineon Technologies AG
    Inventors: Anton Mauder, Stefan Hain, Mark-Matthias Bakran
  • Patent number: 10256299
    Abstract: A power semiconductor device includes a semiconductor-on-insulator island having a semiconductor region and an insulation structure, the insulation structure being formed by an oxide and separating the semiconductor region from a portion of a semiconductor body of the power semiconductor device. The insulation structure includes a sidewall that laterally confines the semiconductor region; a bottom that vertically confines the semiconductor region; and a local deepening that forms at least a part of a transition between the sidewall and the bottom, wherein the local deepening extends further along the extension direction as compared to the bottom.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: April 9, 2019
    Assignee: Infineon Technologies AG
    Inventors: Alexander Philippou, Anton Mauder
  • Publication number: 20190088799
    Abstract: A power diode includes a semiconductor body coupled to an anode metallization and to a cathode metallization. The semiconductor body has a drift region of a first conductivity type and an anode region of a second conductivity type. The anode region includes: a contact zone arranged in contact with the anode metallization; a field stop zone arranged below the contact zone; and a body zone arranged below the field stop zone and above the drift region. An electrically activated dopant concentration of the anode region has a profile, along a vertical direction, according to which: a first maximum is present within the contact zone; a second maximum is present within the field stop zone; and the dopant concentration continuously decreases from the first maximum to a local minimum, and continuously increases from the local minimum to the second maximum.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 21, 2019
    Inventors: Anton Mauder, Mario Barusic
  • Publication number: 20190081142
    Abstract: A power semiconductor device includes a semiconductor body coupled to first and second load terminal structures, first and second cells electrically connected to the first load terminal structure and to a drift region, the drift region having a first conductivity type; a first mesa in the first cell and including: a port region electrically connected to the first load terminal structure, and a channel region coupled to the drift region; a second mesa in the second cell and including: a port region of the opposite conductivity type and electrically connected to the first load terminal structure, and a channel region coupled to the drift region. Each mesa is spatially confined, in a direction perpendicular to a direction of the load current within the respective mesa, by an insulation structure. The insulation structure houses a control electrode structure, and a guidance electrode arranged between the mesas.
    Type: Application
    Filed: November 13, 2018
    Publication date: March 14, 2019
    Inventors: Anton Mauder, Franz-Josef Niedernostheide, Christian Philipp Sandow
  • Publication number: 20190074831
    Abstract: Devices and methods are provided where a control terminal resistance of a transistor device is set depending on operating conditions within a specified range of operating conditions.
    Type: Application
    Filed: November 5, 2018
    Publication date: March 7, 2019
    Inventors: Anton Mauder, Martina Seider-Schmidt, Hans-Joachim Schulze, Oliver Hellmund, Sebastian Schmidt, Peter Irsigler
  • Publication number: 20190074827
    Abstract: A method for protecting a power switch during turn-on includes sensing that a change in current through the power switch is in regulation, measuring a time that the change in current through the power switch is in regulation, and comparing the time that the change in current through the power switch is in regulation to a reference time. An over current signal, which can be used to disable the power switch, is generated if the time that the change in current through the power switch is in excess of the reference time.
    Type: Application
    Filed: September 7, 2017
    Publication date: March 7, 2019
    Inventors: Karl Norling, Johannes Groeger, Anton Mauder, Bernhard Wicht
  • Publication number: 20190067416
    Abstract: An embodiment of a semiconductor device includes a SiC semiconductor body region having a body region of a first conductivity type, a drift zone of a second conductivity type, and a compensation structure of the first conductivity type. The compensation structure and a drift zone section of the drift zone form a super junction structure. The compensation structure adjoins the body region and is positioned entirely below the body region in a vertical direction perpendicular to a surface of the SiC semiconductor body. The compensation structure includes a first compensation sub-structure and a second compensation sub-structure. The first compensation sub-structure and the second compensation sub-structure are arranged above one another in the vertical direction. A width of the compensation structure changes along the vertical direction.
    Type: Application
    Filed: October 24, 2018
    Publication date: February 28, 2019
    Inventors: Anton Mauder, Rudolf Elpelt, Dethard Peters
  • Publication number: 20190058065
    Abstract: A method of processing a power diode includes: creating an anode region and a drift region in a semiconductor body: and forming, by a single ion implantation processing step, each of an anode contact zone and an anode damage zone in the anode region. Power diodes manufactured by the method are also described.
    Type: Application
    Filed: August 17, 2018
    Publication date: February 21, 2019
    Inventors: Anton Mauder, Mario Barusic, Markus Bina, Matteo Dainese
  • Patent number: 10211057
    Abstract: A transistor component includes in a semiconductor body a source zone and a drift zone of a first conduction type, and a body zone of a second conduction type complementary to the first conduction type, the body zone arranged between the drift zone and the source zone. The transistor component further includes a source electrode in contact with the source zone and the body zone, a gate electrode adjacent the body zone and dielectrically insulated from the body zone by a gate dielectric layer, and a diode structure connected between the drift zone and the source electrode. The diode structure includes a first emitter zone adjoining the drift zone in the semiconductor body, and a second emitter zone of the first conduction type adjoining the first emitter zone. The second emitter zone is connected to the source electrode and has an emitter efficiency ? of less than 0.7.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: February 19, 2019
    Assignee: Infineon Technologies Austria AG
    Inventors: Franz Hirler, Anton Mauder, Thomas Raker, Hans-Joachim Schulze, Wolfgang Werner
  • Publication number: 20190051529
    Abstract: Disclosed is a method that includes forming a plurality of semiconductor arrangements one above the other. In this method, forming each of the plurality of semiconductor arrangements includes: forming a semiconductor layer; forming a plurality of trenches in a first surface of the semiconductor layer; and implanting dopant atoms of at least one of a first type and a second type into at least one of a first sidewall and a second sidewall of each of the plurality of trenches of the semiconductor layer.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Inventors: Anton Mauder, Hans Weber, Franz Hirler, Johannes Georg Laven, Hans-Joachim Schulze, Werner Schustereder, Maximilian Treiber, Daniel Tutuc, Andreas Voerckel
  • Publication number: 20190019887
    Abstract: A charge-compensation semiconductor device includes a source metallization spaced apart from a gate metallization, and a semiconductor body including opposing first and second sides, a drift region, a plurality of body regions adjacent the first side and each forming a respective first pn-junction with the drift region, and a plurality of compensation regions arranged between the second side and the body regions. Each compensation region forms a respective further pn-junction with the drift region. A plurality of gate electrodes in Ohmic connection with the gate metallization is arranged adjacent the first side and separated from the body regions and the drift region by a dielectric region. A resistive current path is formed between one of the gate electrodes and a first one of the compensation regions, or between the first one of the compensation regions and a further metallization spaced apart from the source metallization and the gate metallization.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 17, 2019
    Inventors: Armin Willmeroth, Franz Hirler, Anton Mauder, Frank Dieter Pfirsch, Hans-Joachim Schulze, Uwe Wahl
  • Patent number: 10170497
    Abstract: According to various embodiments, an electronic device may include a carrier including at least a first region and a second region being laterally adjacent to each other; an electrically insulating structure arranged in the first region of the carrier, wherein the second region of the carrier is free of the electrically insulating structure; a first electronic component arranged in the first region of the carrier over the electrically insulating structure; a second electronic component arranged in the second region of the carrier; wherein the electrically insulating structure includes one or more hollow chambers, wherein the sidewalls of the one or more hollow chambers are covered with an electrically insulating material.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: January 1, 2019
    Inventors: Thoralf Kautzsch, Alessia Scire, Steffen Bieselt, Franz Hirler, Anton Mauder, Wolfgang Scholz, Hans-Joachim Schulze, Francisco Javier Santos Rodriguez
  • Patent number: 10170615
    Abstract: A semiconductor device includes a source region and a drain region of a first conductivity type. The source region and the drain region are arranged in a first direction parallel to a first main surface of a semiconductor substrate. The semiconductor device further includes a layer stack having a drift layer of the first conductivity type and a compensation layer of a second conductivity type. The drain region is electrically connected with the drift layer. The semiconductor device also includes a connection region of the second conductivity type extending into the semiconductor substrate, the connection region being electrically connected with the compensation layer, wherein the buried semiconductor portion does not fully overlap with the drift layer.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: January 1, 2019
    Assignee: Infineon Technologies Austria AG
    Inventors: Franz Hirler, Anton Mauder, Andreas Meiser, Till Schloesser
  • Patent number: 10164043
    Abstract: A semiconductor diode is provided. The semiconductor diode includes a monocrystalline silicon semiconductor body including a first semiconductor region of a first conductivity type extending to a first surface of the semiconductor body and having a first maximum doping concentration, and a second semiconductor region of a second conductivity type forming a pn-junction with the first semiconductor region. The semiconductor diode further includes a polycrystalline silicon semiconductor region of the first conductivity type having a second maximum doping concentration which is higher than the first maximum doping concentration and adjoining the first semiconductor region on the first surface, a first metallization arranged on the polycrystalline silicon semiconductor region and in electric contact with the polycrystalline semiconductor region, and an edge-termination structure arranged next to the first semiconductor region. Further, a method for producing a semiconductor diode is provided.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: December 25, 2018
    Assignee: Infineon Technologies AG
    Inventors: Anton Mauder, Hans-Joachim Schulze, Philipp Seng
  • Publication number: 20180366464
    Abstract: A power semiconductor device includes a semiconductor body coupled to first and second load terminal structures, and first and second cells each configured for controlling a load current and electrically connected to the first load terminal structure and to a drift region. A first mesa in the first cell includes a port region electrically connected to the first load terminal structure, and a first channel region coupled to the drift region. A second mesa included in the second cell includes a port region electrically connected to the first load terminal structure, and a second channel region coupled to the drift region. The mesas are spatially confined in a direction perpendicular to a direction of the load current by an insulation structure, and have a total extension of less than 100 nm in that direction. The first channel region includes an inversion channel. The second channel region includes an accumulation channel.
    Type: Application
    Filed: August 29, 2018
    Publication date: December 20, 2018
    Inventors: Anton Mauder, Franz-Josef Niedernostheide, Christian Philipp Sandow
  • Patent number: 10158356
    Abstract: Devices and methods are provided where a control terminal resistance of a transistor device is set depending on operating conditions within a specified range of operating conditions.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: December 18, 2018
    Assignee: INFINEON TECHNOLOGIES AUSTRIA AG
    Inventors: Anton Mauder, Martina Seider-Schmidt, Hans-Joachim Schulze, Oliver Hellmund, Sebastian Schmidt, Peter Irsigler
  • Patent number: 10153764
    Abstract: A semiconductor device includes a first load terminal, a second load terminal and a semiconductor body coupled to the first load terminal and the second load terminal. The semiconductor body is configured to conduct a load current along a load current path between the first load terminal and the second load terminal. The semiconductor device further includes a control electrode electrically insulated from the semiconductor body and configured to control a part of the load current path, and an electrically floating sensor electrode arranged adjacent to the control electrode. The sensor electrode is electrically insulated from each of the semiconductor body, and the control electrode and is capacitively coupled to the load current path.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: December 11, 2018
    Assignee: Infineon Technologies AG
    Inventors: Markus Bina, Jens Barrenscheen, Anton Mauder