Patents by Inventor Klaus Schiess

Klaus Schiess 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: 11923276
    Abstract: A semiconductor includes a carrier; a semiconductor element arranged on the carrier; a first row of terminals arranged along a first side face of the carrier; a second row of terminals arranged along a second side face of the carrier opposite the first side face; and an encapsulation body encapsulating the semiconductor element, wherein the semiconductor element comprises a first transistor structure and a second transistor structure, wherein the first row of terminals comprises a first gate terminal, a first sensing terminal coupled, and a first power terminal, wherein the second row of terminals, a second sensing terminal, and a second power terminal.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: March 5, 2024
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Klaus Schiess, Michael Treu
  • Publication number: 20230197582
    Abstract: A semiconductor includes a carrier; a semiconductor element arranged on the carrier; a first row of terminals arranged along a first side face of the carrier; a second row of terminals arranged along a second side face of the carrier opposite the first side face; and an encapsulation body encapsulating the semiconductor element, wherein the semiconductor element comprises a first transistor structure and a second transistor structure, wherein the first row of terminals comprises a first gate terminal, a first sensing terminal coupled, and a first power terminal, wherein the second row of terminals, a second sensing terminal, and a second power terminal.
    Type: Application
    Filed: February 15, 2023
    Publication date: June 22, 2023
    Inventors: Ralf Otremba, Klaus Schiess, Michael Treu
  • Patent number: 11676881
    Abstract: A semiconductor package is disclosed. In one example, the semiconductor package includes a chip carrier, a semiconductor chip attached to the chip carrier, an encapsulation body encapsulating the semiconductor chip, and a mounting hole configured to receive a screw for screw mounting a heatsink onto a first side of the semiconductor package. A second side of the semiconductor package opposite the first side is configured to be surface mounted to an application board.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: June 13, 2023
    Assignee: Infineon Technologies AG
    Inventors: Ralf Otremba, Teck Sim Lee, Klaus Schiess, Xaver Schloegel, Lee Shuang Wang, Mohd Hasrul Zulkifli
  • Patent number: 11605577
    Abstract: A semiconductor device forming a bidirectional switch includes first and second carriers, first and second semiconductor chips arranged on the first and second carriers, respectively, a first row of terminals arranged along a first side face of the carrier, a second row of terminals arranged along a second side face of the carrier opposite the first side face, and an encapsulation body encapsulating the first and second semiconductor chips. Each row of terminals includes a gate terminal, a sensing terminal and at least one power terminal of the bidirectional switch.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: March 14, 2023
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Klaus Schiess, Michael Treu
  • Publication number: 20220102253
    Abstract: A semiconductor package includes: a leadframe having first, second and third die pads and leads, each die pad having upper and lower surfaces; first and second power semiconductor devices; a control semiconductor device; and a mold compound. The upper surface of each die pad is arranged within the mold compound. The lower surface of the second die pad is spaced apart from a side face of the semiconductor package by a distance that is greater than a length of the individual leads. The first power semiconductor device is mounted on the upper surface of the first die pad and electrically coupled to the second die pad by one or more first connectors extending between the first device and the upper surface of the second die pad. The upper surface of the second die pad is occupied by the one or more connectors or in direct contact with the mold compound.
    Type: Application
    Filed: September 20, 2021
    Publication date: March 31, 2022
    Inventors: Thomas Beer, Daniel Hoelzl, Ralf Otremba, Klaus Schiess
  • Patent number: 11289436
    Abstract: Embodiments of molded packages and corresponding methods of manufacture are provided. In an embodiment of a molded package, the molded package includes a laser-activatable mold compound having a plurality of laser-activated regions which are plated with an electrically conductive material to form metal pads and/or metal traces at a first side of the laser-activatable mold compound. A semiconductor die embedded in the laser-activatable mold compound has a plurality of die pads. An interconnect electrically connects the plurality of die pads of the semiconductor die to the metal pads and/or metal traces at the first side of the laser-activatable mold compound.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: March 29, 2022
    Assignee: Infineon Technologies Austria AG
    Inventors: Chee Hong Lee, Kok Yau Chua, Chii Shang Hong, Swee Kah Lee, Chee Yang Ng, Klaus Schiess
  • Publication number: 20220093496
    Abstract: A semiconductor device forming a bidirectional switch includes first and second carriers, first and second semiconductor chips arranged on the first and second carriers, respectively, a first row of terminals arranged along a first side face of the carrier, a second row of terminals arranged along a second side face of the carrier opposite the first side face, and an encapsulation body encapsulating the first and second semiconductor chips. Each row of terminals includes a gate terminal, a sensing terminal and at least one power terminal of the bidirectional switch.
    Type: Application
    Filed: December 2, 2021
    Publication date: March 24, 2022
    Inventors: Ralf Otremba, Klaus Schiess, Michael Treu
  • Patent number: 11217510
    Abstract: A semiconductor device forming a bidirectional switch includes a carrier, first and second semiconductor elements arranged on the carrier, a first row of terminals arranged along a first side face of the carrier, a second row of terminals arranged along a second side face of the carrier opposite the first side face, and an encapsulation body encapsulating the first and second semiconductor elements. Each row of terminals includes a gate terminal, a sensing terminal and at least one power terminal of the bidirectional switch.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: January 4, 2022
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Klaus Schiess, Michael Treu
  • Patent number: 11081455
    Abstract: A semiconductor device includes a semiconductor die having a main surface, a rear surface, outer edge sides extending between the main and rear surfaces, and a first conductive bond pad disposed on the main surface, an electrically insulating mold compound body formed around the outer edge sides of the semiconductor die with the main surface of the semiconductor die exposed from an upper surface of the mold compound body, a first metallization layer formed on the upper surface of the mold compound body and on the main surface of the semiconductor die, and a first bond pad extension formed in the first metallization layer. The first bond pad extension overlaps with the upper surface of the mold compound body. The first bond pad extension is conductively connected with the first conductive bond pad. The first bond pad extension is an externally accessible point of electrical contact of the device.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 3, 2021
    Assignee: Infineon Technologies Austria AG
    Inventors: Chan Lam Cha, Wei Han Koo, Thorsten Meyer, Klaus Schiess, Guan Choon Matthew Nelson Tee
  • Patent number: 10903133
    Abstract: A package encloses a power semiconductor die and has a package body with a top side, footprint side and sidewalls. The die has first and second load terminals and blocks a blocking voltage between the load terminals. The package further includes: a lead frame structure for electrically and mechanically coupling the package to a support, the lead frame structure including an outside terminal extending out of the package footprint side and/or out of one of the package sidewalls and electrically connected with the first load terminal; and a top layer arranged at the package top side and electrically connected with the second load terminal. A heat spreader is mounted onto the top layer with a bottom surface facing the top layer. The area of the top surface of the heat spreader is greater than the area of the bottom surface.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: January 26, 2021
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Markus Dinkel, Ulrich Froehler, Josef Hoeglauer, Uwe Kirchner, Guenther Lohmann, Klaus Schiess, Xaver Schloegel
  • Publication number: 20210020539
    Abstract: A semiconductor package is disclosed. In one example, the semiconductor package includes a chip carrier, a semiconductor chip attached to the chip carrier, an encapsulation body encapsulating the semiconductor chip, and a mounting hole configured to receive a screw for screw mounting a heatsink onto a first side of the semiconductor package. A second side of the semiconductor package opposite the first side is configured to be surface mounted to an application board.
    Type: Application
    Filed: July 15, 2020
    Publication date: January 21, 2021
    Applicant: Infineon Technologies AG
    Inventors: Ralf Otremba, Teck Sim Lee, Klaus Schiess, Xaver Schloegel, Lee Shuang Wang, Mohd Hasrul Zulkifli
  • Publication number: 20200381380
    Abstract: Embodiments of molded packages and corresponding methods of manufacture are provided. In an embodiment of a molded package, the molded package includes a laser-activatable mold compound having a plurality of laser-activated regions which are plated with an electrically conductive material to form metal pads and/or metal traces at a first side of the laser-activatable mold compound. A semiconductor die embedded in the laser-activatable mold compound has a plurality of die pads. An interconnect electrically connects the plurality of die pads of the semiconductor die to the metal pads and/or metal traces at the first side of the laser-activatable mold compound.
    Type: Application
    Filed: May 28, 2020
    Publication date: December 3, 2020
    Inventors: Chee Hong Lee, Kok Yau Chua, Chii Shang Hong, Swee Kah Lee, Chee Yang Ng, Klaus Schiess
  • Publication number: 20200343205
    Abstract: A semiconductor device includes a semiconductor die having a main surface, a rear surface, outer edge sides extending between the main and rear surfaces, and a first conductive bond pad disposed on the main surface, an electrically insulating mold compound body formed around the outer edge sides of the semiconductor die with the main surface of the semiconductor die exposed from an upper surface of the mold compound body, a first metallization layer formed on the upper surface of the mold compound body and on the main surface of the semiconductor die, and a first bond pad extension formed in the first metallization layer. The first bond pad extension overlaps with the upper surface of the mold compound body. The first bond pad extension is conductively connected with the first conductive bond pad. The first bond pad extension is an externally accessible point of electrical contact of the device.
    Type: Application
    Filed: April 29, 2019
    Publication date: October 29, 2020
    Inventors: Chan Lam Cha, Wei Han Koo, Thorsten Meyer, Klaus Schiess, Guan Choon Matthew Nelson Tee
  • Patent number: 10763246
    Abstract: A device includes a driver circuit, a first semiconductor chip monolithically integrated with the driver circuit in a first semiconductor material, and a second semiconductor chip integrated in a second semiconductor material. The second semiconductor material is a compound semiconductor.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: September 1, 2020
    Assignee: Infineon Technologies AG
    Inventors: Ralf Otremba, Klaus Schiess, Oliver Haeberlen, Matteo-Alessandro Kutschak
  • Patent number: 10755999
    Abstract: A power semiconductor arrangement includes a carrier and packages. Each package: encloses a power semiconductor die having first and second load terminals and configured to conduct a die load current between the load terminals; has a package body with a top side, a footprint side and sidewalls extending from the footprint side to the top side; a lead frame structure configured to electrically and mechanically couple the package to the carrier with the package footprint side facing the carrier, the lead frame structure including at least one first outside terminal electrically connected with the first load terminal of the die; a top layer arranged at the package top side and electrically connected with the second load terminal of the die. A top heatsink is attached to each package top layer, electrically contacted to each package top layer, and configured to conduct at least a sum of the die load currents.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: August 25, 2020
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Uwe Kirchner, Matteo-Alessandro Kutschak, Klaus Schiess, Bernd Schmoelzer
  • Patent number: 10698021
    Abstract: A device includes a leadframe having a diepad and leads, a compound semiconductor chip arranged over a first surface of the diepad and including gate, source electrode and drain electrodes, and an encapsulation material covering the compound semiconductor chip and diepad. A second surface of the diepad opposite the first surface is exposed from the encapsulation material. The device also includes a first lead of the leadframe electrically coupled to the gate electrode, a second lead of the leadframe electrically coupled to the source electrode, a third lead of the leadframe electrically coupled to the source electrode, and a fourth lead of the leadframe electrically coupled to the drain electrode. The third lead is configured to provide a sensing signal representing an electrical potential of the source electrode to a gate driver circuit. The gate driver circuit is configured to drive the gate electrode based on the sensing signal.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 30, 2020
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Klaus Schiess
  • Patent number: 10699987
    Abstract: A package encloses a power semiconductor die that has a first load terminal at a die frontside facing a footprint side of the package and a second load terminal arranged at a die backside facing a top side of the package. The package also includes a lead frame configured to electrically and mechanically couple the package to a support. The lead frame has a planar first outside terminal electrically connected with the first load terminal and a planar second outside terminal electrically connected with the second load terminal. The planar first outside terminal is configured to interface with the support by means of a first contact area. The planar second outside terminal is configured to interface with the support by means of a second contact area. The second contact area has a size in a range between 80% and 120% of a size of the first contact area.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: June 30, 2020
    Assignee: tInfineon Technologies Austria AG
    Inventors: Ralf Otremba, Chooi Mei Chong, Markus Dinkel, Josef Hoeglauer, Klaus Schiess, Xaver Schloegel
  • Publication number: 20200144150
    Abstract: A package encloses a power semiconductor die and has a package body with a top side, footprint side and sidewalls. The die has first and second load terminals and blocks a blocking voltage between the load terminals. The package further includes: a lead frame structure for electrically and mechanically coupling the package to a support, the lead frame structure including an outside terminal extending out of the package footprint side and/or out of one of the package sidewalls and electrically connected with the first load terminal; and a top layer arranged at the package top side and electrically connected with the second load terminal. A heat spreader is mounted onto the top layer with a bottom surface facing the top layer. The area of the top surface of the heat spreader is greater than the area of the bottom surface.
    Type: Application
    Filed: January 8, 2020
    Publication date: May 7, 2020
    Inventors: Ralf Otremba, Markus Dinkel, Ulrich Froehler, Josef Hoeglauer, Uwe Kirchner, Guenther Lohmann, Klaus Schiess, Xaver Schloegel
  • Patent number: 10566260
    Abstract: A package encloses a power semiconductor die and has a package body with a package top side, package footprint side and package sidewalls. The die has first and second load terminals and blocks a blocking voltage between the load terminals. The package further includes: a lead frame structure for electrically and mechanically coupling the package to a support, the lead frame structure including an outside terminal extending out of the package footprint side and/or out of one of the package sidewalls and electrically connected with the first load terminal; a top layer arranged at the package top side and electrically connected with the second load terminal; and a heat spreader arranged external of the package body and in electrical contact with the top layer. A top surface of the heat spreader has an area greater than the area of the bottom surface.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: February 18, 2020
    Assignee: Infineon Technologies Austria AG
    Inventors: Ralf Otremba, Markus Dinkel, Ulrich Froehler, Josef Hoeglauer, Uwe Kirchner, Guenther Lohmann, Klaus Schiess, Xaver Schloegel
  • Publication number: 20190295920
    Abstract: A power semiconductor arrangement includes a carrier and packages. Each package: encloses a power semiconductor die having first and second load terminals and configured to conduct a die load current between the load terminals; has a package body with a top side, a footprint side and sidewalls extending from the footprint side to the top side; a lead frame structure configured to electrically and mechanically couple the package to the carrier with the package footprint side facing the carrier, the lead frame structure including at least one first outside terminal electrically connected with the first load terminal of the die; a top layer arranged at the package top side and electrically connected with the second load terminal of the die. A top heatsink is attached to each package top layer, electrically contacted to each package top layer, and configured to conduct at least a sum of the die load currents.
    Type: Application
    Filed: March 25, 2019
    Publication date: September 26, 2019
    Inventors: Ralf Otremba, Uwe Kirchner, Matteo-Alessandro Kutschak, Klaus Schiess, Bernd Schmoelzer