Patents by Inventor Tobias Polster

Tobias Polster 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: 20250096101
    Abstract: A semiconductor device includes a semiconductor chip having a front side and a backside. A first electrode is disposed on the front side of the semiconductor chip. An inorganic substrate includes a first side, a second side opposite the first side, and a first lateral side extending between the first side and the second side. A metal layer is disposed over the first side and the first lateral side of the inorganic substrate. The first electrode is bonded to the metal layer.
    Type: Application
    Filed: August 20, 2024
    Publication date: March 20, 2025
    Inventors: Carsten Joachim von Koblinski, Tobias Polster
  • Patent number: 12205919
    Abstract: A method of processing a semiconductor wafer includes: forming an electronic device at each die location of the semiconductor wafer; partially forming a frontside metallization over a frontside of the semiconductor wafer at each die location; partially forming a backside metallization over a backside of the semiconductor wafer at each die location; and after partially forming both the frontside metallization and the backside metallization but without completing either the frontside metallization or the backside metallization, singulating the semiconductor wafer between the die locations to form a plurality of individual semiconductor dies, wherein the partially formed frontside metallization and the partially formed backside metallization have a same composition. Semiconductor dies and methods of producing semiconductor modules are also described.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: January 21, 2025
    Assignee: Infineon Technologies AG
    Inventors: Chuan Cheah, Josef Hoeglauer, Tobias Polster
  • Publication number: 20250015008
    Abstract: A die embedded package is disclosed. In one example, the die embedded package includes a first bare die and a second bare die, the first bare die being thinner than the second bare die, a first encapsulation material encapsulating the first bare die, wherein the total thickness of the first encapsulation and the first bare die is approximately equal to the thickness of the second bare die. An outer surface of the first encapsulation material and an outer surface of the second bare die are arranged coplanarly. A first and second set of electrically conductive vias electrically contact the first bare die. A third set of electrically conductive vias electrically contacts the second bare die.
    Type: Application
    Filed: July 5, 2024
    Publication date: January 9, 2025
    Applicant: Infineon Technologies AG
    Inventors: Mahadi-Ul HASSAN, Angela KESSLER, Martin Andrew NAVARRE, Tobias POLSTER
  • Publication number: 20240371793
    Abstract: A semiconductor device includes: a semiconductor die having a front side surface, a backside surface opposite the front side surface, and side faces; a backside metallization layer at least partly covering the backside surface of the semiconductor die and projecting laterally outwards beyond the side faces of the semiconductor die; and a protection layer at least partly covering the side faces of the semiconductor die. The backside metallization layer projects laterally outwards beyond the protection layer.
    Type: Application
    Filed: July 16, 2024
    Publication date: November 7, 2024
    Inventors: Christian Gruber, Benjamin Bernard, Tobias Polster, Carsten von Koblinski
  • Patent number: 12094837
    Abstract: A method of manufacturing a semiconductor device includes: forming grooves in a front side surface of a wafer; filling the grooves with a first side face protection material; thinning the wafer at a backside surface of the wafer opposite the front side surface; depositing a backside metallization layer over the backside surface of the thinned wafer; and laser cutting along the grooves through the side face protection material and through the backside metallization layer to separate the wafer into multiple semiconductor devices.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: September 17, 2024
    Assignee: Infineon Technologies AG
    Inventors: Christian Gruber, Benjamin Bernard, Tobias Polster, Carsten von Koblinski
  • Patent number: 11848237
    Abstract: An electronic component includes a semiconductor device including a semiconductor die including a first surface, the first surface including a first metallization structure and edge regions surrounding the first metallization structure, a second surface opposing the first surface and including a second metallization structure, and side faces extending between the first surface and the second surface, wherein the edge regions of the first surface and portions of the side faces are covered by a first polymer layer, wherein the electronic component further includes a plurality of leads and a plastic housing composition, wherein the first metallization structure is coupled to a first lead and the second metallization structure is coupled to a second lead of the plurality of leads.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: December 19, 2023
    Assignee: Infineon Technologies AG
    Inventors: Paul Ganitzer, Carsten von Koblinski, Thomas Feil, Gerald Lackner, Jochen Mueller, Martin Poelzl, Tobias Polster
  • Publication number: 20230197663
    Abstract: A method of processing a semiconductor wafer includes: forming an electronic device at each die location of the semiconductor wafer; partially forming a frontside metallization over a frontside of the semiconductor wafer at each die location; partially forming a backside metallization over a backside of the semiconductor wafer at each die location; and after partially forming both the frontside metallization and the backside metallization but without completing either the frontside metallization or the backside metallization, singulating the semiconductor wafer between the die locations to form a plurality of individual semiconductor dies, wherein the partially formed frontside metallization and the partially formed backside metallization have a same composition. Semiconductor dies and methods of producing semiconductor modules are also described.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 22, 2023
    Inventors: Chuan Cheah, Josef Hoeglauer, Tobias Polster
  • Publication number: 20230187381
    Abstract: A method of manufacturing a semiconductor device includes: forming grooves in a front side surface of a wafer; filling the grooves with a first side face protection material; thinning the wafer at a backside surface of the wafer opposite the front side surface; depositing a backside metallization layer over the backside surface of the thinned wafer; and laser cutting along the grooves through the side face protection material and through the backside metallization layer to separate the wafer into multiple semiconductor devices.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 15, 2023
    Inventors: Christian Gruber, Benjamin Bernard, Tobias Polster, Carsten von Koblinski
  • Publication number: 20230097353
    Abstract: A method of processing a wafer is disclosed. In one example, the method comprises providing the wafer with a separation frame separating neighboured electronic components, forming separation trenches in the separation frame and at least partially lining sidewalls of the separation trenches with a sidewall lining for partially filling the separation trenches while maintaining a void volume therein. An exterior opening of the separation trenches is closed by a closing structure.
    Type: Application
    Filed: September 16, 2022
    Publication date: March 30, 2023
    Applicant: Infineon Technologies AG
    Inventors: Oliver BLANK, Tobias POLSTER, Sylvain LEOMANT
  • Patent number: 11605599
    Abstract: A semiconductor device includes a semiconductor die having a front side surface, a backside surface opposite the front side surface and side faces. A backside metallization layer is deposited over the backside surface and projects laterally outwards beyond the side faces. A side face protection layer covers the side faces.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: March 14, 2023
    Assignee: Infineon Technologies AG
    Inventors: Christian Gruber, Benjamin Bernard, Tobias Polster, Carsten von Koblinski
  • Publication number: 20220181211
    Abstract: An electronic component includes a semiconductor device including a semiconductor die including a first surface, the first surface including a first metallization structure and edge regions surrounding the first metallization structure, a second surface opposing the first surface and including a second metallization structure, and side faces extending between the first surface and the second surface, wherein the edge regions of the first surface and portions of the side faces are covered by a first polymer layer, wherein the electronic component further includes a plurality of leads and a plastic housing composition, wherein the first metallization structure is coupled to a first lead and the second metallization structure is coupled to a second lead of the plurality of leads.
    Type: Application
    Filed: February 23, 2022
    Publication date: June 9, 2022
    Inventors: Paul Ganitzer, Carsten von Koblinski, Thomas Feil, Gerald Lackner, Jochen Mueller, Martin Poelzl, Tobias Polster
  • Patent number: 11322400
    Abstract: A method of manufacturing a semiconductor wafer having a roughened metallization layer surface is described. The method includes immersing the semiconductor wafer in an electrolytic bath. Gas bubbles are generated in the electrolytic bath. A surface of a metallization layer on the semiconductor wafer is electrochemically roughened in the presence of the gas bubbles by applying a reversing voltage between the metallization layer and an electrode of the electrolytic bath.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 3, 2022
    Assignee: Infineon Technologies AG
    Inventors: Carsten von Koblinski, Tobias Polster
  • Patent number: 11302579
    Abstract: In an embodiment, a composite semiconductor substrate includes a first polymer layer and a plurality of semiconductor dies having a first surface, a second surface opposing the first surface, side faces extending between the first surface and the second surface and a first metallization structure on the first surface. Edge regions of the first surface and at least portions of the side faces are embedded in the first polymer layer. At least one metallic region of the first metallization structure is exposed from the first polymer layer. A second metallization structure is arranged on the second surface of the plurality of semiconductor dies. A second polymer layer is arranged on edge regions of the second surface of the plurality of semiconductor dies and on the first polymer layer in regions between the side faces of neighbouring ones of the plurality of semiconductor dies.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: April 12, 2022
    Assignee: Infineon Technologies AG
    Inventors: Paul Ganitzer, Carsten von Koblinski, Thomas Feil, Gerald Lackner, Jochen Mueller, Martin Poelzl, Tobias Polster
  • Publication number: 20210143108
    Abstract: A semiconductor device includes a semiconductor die having a front side surface, a backside surface opposite the front side surface and side faces. A backside metallization layer is deposited over the backside surface and projects laterally outwards beyond the side faces. A side face protection layer covers the side faces.
    Type: Application
    Filed: October 15, 2020
    Publication date: May 13, 2021
    Inventors: Christian Gruber, Benjamin Bernard, Tobias Polster, Carsten von Koblinski
  • Publication number: 20200402851
    Abstract: A method of manufacturing a semiconductor wafer having a roughened metallization layer surface is described. The method includes immersing the semiconductor wafer in an electrolytic bath. Gas bubbles are generated in the electrolytic bath. A surface of a metallization layer on the semiconductor wafer is electrochemically roughened in the presence of the gas bubbles by applying a reversing voltage between the metallization layer and an electrode of the electrolytic bath.
    Type: Application
    Filed: June 19, 2020
    Publication date: December 24, 2020
    Inventors: Carsten von Koblinski, Tobias Polster
  • Publication number: 20200273750
    Abstract: In an embodiment, a composite semiconductor substrate includes a first polymer layer and a plurality of semiconductor dies having a first surface, a second surface opposing the first surface, side faces extending between the first surface and the second surface and a first metallization structure on the first surface. Edge regions of the first surface and at least portions of the side faces are embedded in the first polymer layer. At least one metallic region of the first metallization structure is exposed from the first polymer layer. A second metallization structure is arranged on the second surface of the plurality of semiconductor dies. A second polymer layer is arranged on edge regions of the second surface of the plurality of semiconductor dies and on the first polymer layer in regions between the side faces of neighbouring ones of the plurality of semiconductor dies.
    Type: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Inventors: Paul Ganitzer, Carsten von Koblinski, Thomas Feil, Gerald Lackner, Jochen Mueller, Martin Poelzl, Tobias Polster
  • Patent number: 10672664
    Abstract: In an embodiment, a method includes forming at least one trench in non-device regions of a first surface of a semiconductor wafer, the non-device regions being arranged between component positions, the component positions including device regions and a first metallization structure, applying a first polymer layer to the first surface of a semiconductor wafer such that the trenches and edge regions of the component positions are covered with the first polymer layer and such that at least a portion of the first metallization structure is uncovered by the first polymer layer, removing portions of a second surface of the semiconductor wafer, the second surface opposing the first surface, revealing portions of the first polymer layer in the non-device regions and producing a worked second surface and inserting a separation line through the first polymer layer in the non-device regions to form a plurality of separate semiconductor dies.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: June 2, 2020
    Assignee: Infineon Technologies AG
    Inventors: Paul Ganitzer, Carsten von Koblinski, Thomas Feil, Gerald Lackner, Jochen Mueller, Martin Poelzl, Tobias Polster
  • Publication number: 20190088550
    Abstract: In an embodiment, a method includes forming at least one trench in non-device regions of a first surface of a semiconductor wafer, the non-device regions being arranged between component positions, the component positions including device regions and a first metallization structure, applying a first polymer layer to the first surface of a semiconductor wafer such that the trenches and edge regions of the component positions are covered with the first polymer layer and such that at least a portion of the first metallization structure is uncovered by the first polymer layer, removing portions of a second surface of the semiconductor wafer, the second surface opposing the first surface, revealing portions of the first polymer layer in the non-device regions and producing a worked second surface and inserting a separation line through the first polymer layer in the non-device regions to form a plurality of separate semiconductor dies.
    Type: Application
    Filed: February 27, 2017
    Publication date: March 21, 2019
    Inventors: Paul Ganitzer, Carsten von Koblinski, Thomas Feil, Gerald Lackner, Jochen Mueller, Martin Poelzl, Tobias Polster
  • Patent number: 9431231
    Abstract: The invention describes a lamp (1A, 1B, 1C, 1D) comprising a glass envelope (10) enclosing a light generating means (11), and an axially and/or circumferentially graded absorption coating (2A, 2B, 2C, 2D) applied to a surface of the glass envelope (10), wherein the graded absorption coating (2A, 2B, 2C, 2D) exhibits a smooth transition in a transition region (23A, 23C, 23D) from a first coated region (21 A, 21B, 21C, 21D) on the glass envelope (10) to a second coated region (22A, 22B, 22C, 22D) on the glass envelope (10). The invention further describes a lighting assembly (4) comprising a lamp according to any of claims 1 to 11 and a reflector (40) for collecting and shaping any light passing through the graded absorption coating (2A, 2B, 2C, 2D) of the lamp (1A, 1B, 1C, 1D).
    Type: Grant
    Filed: August 24, 2011
    Date of Patent: August 30, 2016
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Juergen Flechsig, Martin Tobias Polster, Hans-Alo Dohmen, Ralph Kecke
  • Publication number: 20130154466
    Abstract: The invention describes a lamp (1A, 1B, 1C, 1D) comprising a glass envelope (10) enclosing a light generating means (11), and an axially and/or circumferentially graded absorption coating (2A, 2B, 2C, 2D) applied to a surface of the glass envelope (10), wherein the graded absorption coating (2A, 2B, 2C, 2D) exhibits a smooth transition in a transition region (23A, 23C, 23D) from a first coated region (21 A, 21B, 21C, 21D) on the glass envelope (10) to a second coated region (22A, 22B, 22C, 22D) on the glass envelope (10). The invention further describes a lighting assembly (4) comprising a lamp according to any of claims 1 to 11 and a reflector (40) for collecting and shaping any light passing through the graded absorption coating (2A, 2B, 2C, 2D) of the lamp (1A, 1B, 1C, 1D).
    Type: Application
    Filed: August 24, 2011
    Publication date: June 20, 2013
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Juergen Flechsig, Martin Tobias Polster, Hans-Alo Dohmen, Ralph Kecke