Patents by Inventor Eung San Cho

Eung San Cho 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: 11973063
    Abstract: A semiconductor assembly includes a semiconductor package that includes first and second transistor dies embedded within a package body, the first and second transistor dies being arranged laterally side by side within the package body such that a first load terminal of the first transistor die faces an upper surface of the package body and such that a second load terminal of the second transistor die faces the upper surface of the package body, and a discrete capacitor mounted on the semiconductor package such that a first terminal of the discrete capacitor is directly over and electrically connected to the first load terminal of the first semiconductor die and such that a second terminal of the discrete capacitor is directly over and electrically connected with the second load terminal of the second semiconductor die.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: April 30, 2024
    Assignee: Infineon Technologies AG
    Inventors: Urban Medic, Eung San Cho, Tomasz Naeve
  • Publication number: 20240120248
    Abstract: A method of forming a semiconductor package includes producing a package substrate that includes an interior laminate layer, a first metallization layer disposed below the interior laminate layer, and a second metallization layer disposed above the interior laminate layer, providing a first load terminal on a first surface of the first semiconductor die and a second load terminal on a second surface of the first semiconductor die; and a liner of dielectric material on the first semiconductor die; providing a liner of dielectric material on the first semiconductor die; embedding the first semiconductor die within the interior laminate layer such that the first surface of the first semiconductor die faces the second metallization layer, and wherein the liner of dielectric material is disposed on a corner of the first semiconductor die that is between the first and second load terminals of the first semiconductor die.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventor: Eung San Cho
  • Publication number: 20240107674
    Abstract: This disclosure includes multiple assemblies, sub-assemblies, etc., as well as one or more methods of fabricating same. For example, a first assembly includes a first circuit board. The first circuit board further includes first connector elements disposed on a first edge of the first circuit board and second connector elements disposed on a second edge of the first circuit board. The first edge may be disposed substantially opposite the second edge on the first circuit board. The apparatus may further include first circuitry affixed to the first circuit board. The first edge of the first circuit board aligns with a first axial end of the first circuitry and the second edge of the first circuit board aligns with a second axial end of the first circuitry. The first assembly is used to fabricate a second assembly.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 28, 2024
    Inventors: Eung San Cho, Danny Clavette
  • Publication number: 20240097313
    Abstract: A semiconductor device includes a semiconductor die comprising a radio frequency (RF) circuit, a first dielectric layer disposed over a first surface of the semiconductor die, an antenna layer disposed over a surface of the first dielectric layer, and an antenna feeding structure coupling the antenna layer to the RF circuit of the semiconductor die, wherein the semiconductor die comprises a via, and the antenna feeding structure comprises a first portion arranged within the opening of the semiconductor die and extending to the first surface of the semiconductor die, and a second portion arranged through the first dielectric layer.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Inventors: Eung San Cho, Ashutosh Baheti, Saverio Trotta
  • Patent number: 11916007
    Abstract: A semiconductor device includes a substrate comprising an antenna and a conductive feature; an integrated circuit (IC) die attached to the substrate and comprising a radio frequency (RF) circuit; and a flexible circuit integrated with the substrate, where the flexible circuit is electrically coupled to the IC die and the substrate, a first portion of the flexible circuit being disposed between opposing sidewalls of the substrate, a second portion of the flexible circuit extending beyond the opposing sidewalls of the substrate, the second portion of the flexible circuit comprising an electrical connector at a distal end.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: February 27, 2024
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Ashutosh Baheti, Eung San Cho, Saverio Trotta
  • Publication number: 20240047855
    Abstract: A semiconductor device comprises a semiconductor chip comprising a radio frequency (RF) circuit, a feedline structure coupled to the RF circuit, and an antenna structure comprising a main body stretching along a direction orthogonal to at least one side of a front side and a backside of the semiconductor device, wherein the antenna structure is coupled to the RF circuit through the feedline structure.
    Type: Application
    Filed: October 12, 2023
    Publication date: February 8, 2024
    Inventors: Eung San Cho, Ashutosh Baheti, Saverio Trotta
  • Publication number: 20240030820
    Abstract: A power semiconductor module arrangement includes a circuit carrier including an electrically insulating substrate and an upper metallization layer disposed on upper side of the electrically insulating substrate, and a plurality of power stage inlays that each include first and second transistor dies and a driver die configured to control switching of the first and second transistor dies. Each of the power stage inlays are modular units comprising terminals that are electrically connected to the first and second transistor dies and the driver die. Each of the power stage inlays is embedded within the electrically insulating substrate. The upper metallization layer comprises conductive connectors that extend over the power stage inlays and connect with the terminals of the terminals of each of the power stage inlays.
    Type: Application
    Filed: July 21, 2022
    Publication date: January 25, 2024
    Inventors: Angela Kessler, Eung San Cho, Danny Clavette
  • Patent number: 11881437
    Abstract: A semiconductor package includes a package substrate that includes an interior laminate layer, a first metallization layer disposed below the interior laminate layer, and a second metallization layer disposed above the interior laminate layer, a first semiconductor die that includes a first load terminal disposed on a first surface of the first semiconductor die and a second load terminal disposed on a second surface of the first semiconductor die that is opposite from the first surface of the first semiconductor die, and a liner of dielectric material on the first semiconductor die, wherein the first semiconductor die is embedded within the interior laminate layer such that the first surface of the first semiconductor die faces the second metallization layer, and wherein the liner of dielectric material is disposed on a corner of the first semiconductor die that is between the first and second load terminals of the first semiconductor die.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: January 23, 2024
    Assignee: Infineon Technologies AG
    Inventor: Eung San Cho
  • Patent number: 11870130
    Abstract: A semiconductor device includes a semiconductor die comprising a radio frequency (RF) circuit, a first dielectric layer disposed over a first surface of the semiconductor die, an antenna layer disposed over a surface of the first dielectric layer, and an antenna feeding structure coupling the antenna layer to the RF circuit of the semiconductor die, wherein the semiconductor die comprises a via, and the antenna feeding structure comprises a first portion arranged within the opening of the semiconductor die and extending to the first surface of the semiconductor die, and a second portion arranged through the first dielectric layer.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: January 9, 2024
    Assignee: Infineon Technologies AG
    Inventors: Eung San Cho, Ashutosh Baheti, Saverio Trotta
  • Publication number: 20230369160
    Abstract: A semiconductor assembly includes a device carrier that includes a dielectric core region and a plurality of contact pads disposed on an upper surface, a semiconductor device package having a plurality of lower surface terminals, a discrete passive element comprising a main body and a pair of leads, and a region of gap filler material, wherein the semiconductor device package is mounted on the device carrier with the lower surface terminals facing and electrically connected to a group of the contact pads, wherein the discrete passive element is mounted on the device carrier with the pair of leads electrically connecting with contact surfaces on the device carrier, and wherein the region of gap filler material is arranged between a lower surface of the main body and the upper surface of the semiconductor device package and thermally couples the semiconductor device package to the discrete passive element.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Kushal Kshirsagar, Eung San Cho, Arun Kumar Gnanappa, Wenkang Huang, Angela Kessler, Marcel Rene Mueller, Stephen Pullen
  • Publication number: 20230369256
    Abstract: A semiconductor assembly includes a carrier including a dielectric substrate and a plurality of contact pads disposed on an upper surface of the carrier, first and second surface mount packages mounted on the carrier, first and second discrete inductors respectively mounted over the first and second surface mount packages, wherein the first and second surface mount packages each comprise lower surface terminals that face and electrically connect with the contact pads from the carrier, wherein the first and second surface mount packages each comprise an upper side that faces away from the carrier, and wherein the first and second discrete inductors are respectively thermally coupled to the upper sides of the first and second surface mount packages.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Kushal Kshirsagar, Eung San Cho, Danny Clavette, Wenkang Huang, Angela Kessler
  • Patent number: 11817617
    Abstract: A semiconductor device comprises a semiconductor chip comprising a radio frequency (RF) circuit, a feedline structure coupled to the RF circuit, and an antenna structure comprising a main body stretching along a direction orthogonal to at least one side of a front side and a backside of the semiconductor device, wherein the antenna structure is coupled to the RF circuit through the feedline structure.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: November 14, 2023
    Assignee: Infineon Technologies AG
    Inventors: Eung San Cho, Ashutosh Baheti, Saverio Trotta
  • Patent number: 11776882
    Abstract: A method includes: arranging a semiconductor device on a redistribution substrate, the device having a first power electrode and a control electrode on a first surface and a second power electrode on a second surface, the redistribution substrate having an insulating board having a first major surface and a second major surface having solderable contact pads, so that the first power electrode is arranged on a first conductive pad and the control electrode is arranged on a second conductive pad on the first major surface; arranging a contact clip such that a web portion is arranged on the second power electrode and a peripheral rim portion is arranged on a third conductive pad on the first major surface; and electrically coupling the first power electrode, control electrode and peripheral rim portion to the respective conductive pads and electrically coupling the web portion to the second power electrode.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: October 3, 2023
    Assignee: Infineon Technologies Austria AG
    Inventors: Markus Dinkel, Petteri Palm, Eung San Cho, Josef Hoeglauer, Ralf Otremba, Fabian Schnoy
  • Publication number: 20230130659
    Abstract: A semiconductor package includes a package substrate that includes an interior laminate layer, a first metallization layer disposed below the interior laminate layer, and a second metallization layer disposed above the interior laminate layer, a first semiconductor die that includes a first load terminal disposed on a first surface of the first semiconductor die and a second load terminal disposed on a second surface of the first semiconductor die that is opposite from the first surface of the first semiconductor die, and a liner of dielectric material on the first semiconductor die, wherein the first semiconductor die is embedded within the interior laminate layer such that the first surface of the first semiconductor die faces the second metallization layer, and wherein the liner of dielectric material is disposed on a corner of the first semiconductor die that is between the first and second load terminals of the first semiconductor die.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 27, 2023
    Inventor: Eung San Cho
  • Publication number: 20230077139
    Abstract: A semiconductor package includes: an electrically insulating core and an electrically conductive first via extending through a periphery region of the core, the core having glass fibres interwoven with epoxy material and one or more regions where the glass fibres are exposed from the epoxy material; a power semiconductor die embedded in an opening in the core and having a first load terminal bond pad which faces a same direction as a first side of the core, a second load terminal bond pad which faces a same direction as a second side of the core, and a control terminal bond pad; a resin that encases the power semiconductor die; a first contact pad plated on the first via at the second side of the core; and a second contact pad plated on the first load terminal bond pad of the power semiconductor die at the first side of the core.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Eung San Cho, Tomasz Naeve, Petteri Palm
  • Publication number: 20230017391
    Abstract: A semiconductor assembly includes a semiconductor package that includes first and second transistor dies embedded within a package body, the first and second transistor dies being arranged laterally side by side within the package body such that a first load terminal of the first transistor die faces an upper surface of the package body and such that a second load terminal of the second transistor die faces the upper surface of the package body, and a discrete capacitor mounted on the semiconductor package such that a first terminal of the discrete capacitor is directly over and electrically connected to the first load terminal of the first semiconductor die and such that a second terminal of the discrete capacitor is directly over and electrically connected with the second load terminal of the second semiconductor die.
    Type: Application
    Filed: July 19, 2021
    Publication date: January 19, 2023
    Inventors: Urban Medic, Eung San Cho, Tomasz Naeve
  • Patent number: 11532541
    Abstract: A semiconductor package includes: an insulating substrate having opposing first and second main sides; a power semiconductor die embedded in, and thinner than or a same thickness as, the substrate, and including a first load terminal bond pad at a first side which faces a same direction as the substrate first main side, a second load terminal bond pad at a second side which faces a same direction as the substrate second main side, and a control terminal bond pad; electrically conductive first vias extending through the substrate in a periphery region; a first metallization connecting the first load terminal bond pad to the first vias at the substrate first main side; solderable first contact pads at the substrate second main side and formed by the first vias; and a solderable second contact pad at the substrate second main side and formed by the second load terminal die bond pad.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: December 20, 2022
    Assignee: Infineon Technologies AG
    Inventors: Eung San Cho, Petteri Palm
  • Patent number: 11502012
    Abstract: Semiconductor packages described herein include a thermal capacitor designed to absorb transient heat pulses from a power semiconductor die and subsequently release the transient heat pulses to a surrounding environment, and/or a recessed pad feature. Corresponding methods of production are also described.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: November 15, 2022
    Assignee: Infineon Technologies AG
    Inventors: Eung San Cho, Tomasz Naeve, Petteri Palm
  • Patent number: 11469164
    Abstract: A packaged half-bridge circuit includes a carrier having a dielectric core and a first layer of metallization formed on an upper surface of the carrier, first and second semiconductor chips, each including a first terminal, a second terminal, and a control terminal, and a conductive connector mounted on the upper surface of the carrier and electrically connected to the first layer of metallization. The first semiconductor chip is configured as a high-side switch of the half-bridge circuit. The second semiconductor chip is configured as a low-side switch of the half-bridge circuit. At least one of the first and second semiconductor chips is embedded within the dielectric core of the carrier. The conductive connector is electrically connected to one of the first and second terminals from one or both of the first and second semiconductor chips.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: October 11, 2022
    Assignee: Infineon Technologies AG
    Inventors: Robert Fehler, Eung San Cho, Danny Clavette, Petteri Palm
  • Publication number: 20220230941
    Abstract: A method includes: arranging a semiconductor device on a redistribution substrate, the device having a first power electrode and a control electrode on a first surface and a second power electrode on a second surface, the redistribution substrate having an insulating board having a first major surface and a second major surface having solderable contact pads, so that the first power electrode is arranged on a first conductive pad and the control electrode is arranged on a second conductive pad on the first major surface; arranging a contact clip such that a web portion is arranged on the second power electrode and a peripheral rim portion is arranged on a third conductive pad on the first major surface; and electrically coupling the first power electrode, control electrode and peripheral rim portion to the respective conductive pads and electrically coupling the web portion to the second power electrode.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 21, 2022
    Inventors: Markus Dinkel, Petteri Palm, Eung San Cho, Josef Hoeglauer, Ralf Otremba, Fabian Schnoy