Patents by Inventor Wolfram Langheinrich

Wolfram Langheinrich 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: 20230232725
    Abstract: A method of producing a quantum conveyor includes: forming a pair of screening gate electrodes in or on a semiconductor substrate and that extend between a first stationary quantum dot and a second stationary quantum dot, the pair of screening gate electrodes configured to delimit a channel of moveable quantum dots between the first stationary quantum dot and the second stationary quantum dot; forming, via a lithography process, a plurality of first planar transfer electrodes above the semiconductor substrate and that extend transverse to the channel of moveable quantum dots; and forming, via a self-aligned damascene process, a plurality of second planar transfer electrodes laterally interleaved with the first planar transfer electrodes, wherein the first planar transfer electrodes and the second planar transfer electrodes are configured to transfer quantum information between the first stationary quantum dot and the second stationary quantum dot through the channel of moveable quantum dots.
    Type: Application
    Filed: January 18, 2022
    Publication date: July 20, 2023
    Inventors: Wolfram Langheinrich, Claus Dahl
  • Patent number: 11247895
    Abstract: A semiconductor device includes a first region; a second region that is peripheral to the first region; a substrate having a first surface and a second surface arranged opposite to the first surface; a stress-sensitive sensor disposed in the first region at the first surface of the substrate; a back end of line (BEOL) stack disposed on the first surface of the semiconductor chip that extends laterally from the MEMS element, in the first region, into the second region; a first cavity formed in the BEOL stack that exposes the sensitive area of the stress-sensitive sensor, wherein the first cavity extends entirely through the BEOL stack over the first region thereby exposing a sensitive area of the stress-sensitive sensor; and at least one stress-decoupling trench laterally spaced from the stress-sensitive sensor and laterally spaced from the first cavity with a portion of the BEOL stack interposed between.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 15, 2022
    Inventors: Florian Brandl, Robert Gruenberger, Wolfram Langheinrich
  • Patent number: 10870575
    Abstract: A semiconductor device may include a stress decoupling structure to at least partially decouple a first region of the semiconductor device and a second region of the semiconductor device. The stress decoupling structure may include a set of trenches that are substantially perpendicular to a main surface of the semiconductor device. The first region may include a micro-electro-mechanical (MEMS) structure. The semiconductor device may include a sealing element to at least partially seal openings of the stress decoupling structure.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: December 22, 2020
    Assignee: Infineon Technologies Dresden GmbH & Co. KG
    Inventors: Horst Theuss, Bernhard Knott, Thoralf Kautzsch, Mirko Vogt, Maik Stegemann, Andre Roeth, Marco Haubold, Heiko Froehlich, Wolfram Langheinrich, Steffen Bieselt
  • Patent number: 10843916
    Abstract: A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a semiconductor chip including a substrate having a first surface and a second surface arranged opposite to the first surface; at least one stress-decoupling trench that extends from the first surface into the substrate, where the at least one stress-decoupling trench extends partially into the substrate towards the second surface although not completely to the second surface; a microelectromechanical systems (MEMS) element, including a sensitive area, disposed at the first surface of the substrate and laterally spaced from the at least one stress-decoupling trench; and a stress-decoupling material that fills the at least one stress-decoupling trench and covers the sensitive area of the MEMS element.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: November 24, 2020
    Inventors: Dirk Meinhold, Florian Brandl, Robert Gruenberger, Wolfram Langheinrich, Sebastian Luber, Roland Meier, Bernhard Winkler
  • Publication number: 20200346922
    Abstract: A semiconductor device includes a first region; a second region that is peripheral to the first region; a substrate having a first surface and a second surface arranged opposite to the first surface; a stress-sensitive sensor disposed in the first region at the first surface of the substrate; a back end of line (BEOL) stack disposed on the first surface of the semiconductor chip that extends laterally from the MEMS element, in the first region, into the second region; a first cavity formed in the BEOL stack that exposes the sensitive area of the stress-sensitive sensor, wherein the first cavity extends entirely through the BEOL stack over the first region thereby exposing a sensitive area of the stress-sensitive sensor; and at least one stress-decoupling trench laterally spaced from the stress-sensitive sensor and laterally spaced from the first cavity with a portion of the BEOL stack interposed between.
    Type: Application
    Filed: July 15, 2020
    Publication date: November 5, 2020
    Applicant: Infineon Technologies AG
    Inventors: Florian BRANDL, Robert GRUENBERGER, Wolfram LANGHEINRICH
  • Patent number: 10807862
    Abstract: A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a semiconductor chip including a substrate having a first surface and a second surface arranged opposite to the first surface; a stress-sensitive sensor disposed at the first surface of the substrate, wherein the stress-sensitive sensor is sensitive to mechanical stress; a first pair of adjacent stress-decoupling trenches arranged laterally from a first lateral side of the stress-sensitive sensor, where each stress-decoupling trench of the first pair of adjacent stress-decoupling trenches extends partially from the first surface into the substrate towards the second surface although not completely to the second surface; and a first spring structure formed between the first pair of adjacent stress-decoupling trenches such that the first spring structure is arranged laterally from the stress-sensitive sensor and is configured to absorb external stress from an environment.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 20, 2020
    Assignee: Infineon Technologies AG
    Inventors: Florian Brandl, Robert Gruenberger, Wolfram Langheinrich
  • Publication number: 20200317508
    Abstract: A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a semiconductor chip including a substrate having a first surface and a second surface arranged opposite to the first surface; a stress-sensitive sensor disposed at the first surface of the substrate, wherein the stress-sensitive sensor is sensitive to mechanical stress; a first pair of adjacent stress-decoupling trenches arranged laterally from a first lateral side of the stress-sensitive sensor, where each stress-decoupling trench of the first pair of adjacent stress-decoupling trenches extends partially from the first surface into the substrate towards the second surface although not completely to the second surface; and a first spring structure formed between the first pair of adjacent stress-decoupling trenches such that the first spring structure is arranged laterally from the stress-sensitive sensor and is configured to absorb external stress from an environment.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 8, 2020
    Applicant: Infineon Technologies AG
    Inventors: Florian BRANDL, Robert GRUENBERGER, Wolfram LANGHEINRICH
  • Publication number: 20200283286
    Abstract: A semiconductor device and a method of manufacturing the same are provided. The semiconductor device includes a semiconductor chip including a substrate having a first surface and a second surface arranged opposite to the first surface; at least one stress-decoupling trench that extends from the first surface into the substrate, where the at least one stress-decoupling trench extends partially into the substrate towards the second surface although not completely to the second surface; a microelectromechanical systems (MEMS) element, including a sensitive area, disposed at the first surface of the substrate and laterally spaced from the at least one stress-decoupling trench; and a stress-decoupling material that fills the at least one stress-decoupling trench and covers the sensitive area of the MEMS element.
    Type: Application
    Filed: March 4, 2019
    Publication date: September 10, 2020
    Applicant: Infineon Technologies AG
    Inventors: Dirk MEINHOLD, Florian BRANDL, Robert GRUENBERGER, Wolfram LANGHEINRICH, Sebastian LUBER, Roland MEIER, Bernhard WINKLER
  • Publication number: 20200002159
    Abstract: A semiconductor device may include a stress decoupling structure to at least partially decouple a first region of the semiconductor device and a second region of the semiconductor device. The stress decoupling structure may include a set of trenches that are substantially perpendicular to a main surface of the semiconductor device. The first region may include a micro-electro-mechanical (MEMS) structure. The semiconductor device may include a sealing element to at least partially seal openings of the stress decoupling structure.
    Type: Application
    Filed: June 29, 2018
    Publication date: January 2, 2020
    Inventors: Horst THEUSS, Bernhard Knott, Thoralf Kautzsch, Mirko Vogt, Maik Stegemann, Andre Roeth, Marco Haubold, Heiko Froehlich, Wolfram Langheinrich, Steffen Bieselt
  • Patent number: 9559108
    Abstract: A method for processing a carrier accordance with various embodiments may include: forming a structure over the carrier, the structure including at least two adjacent structure elements arranged at a first distance between the same; depositing a spacer layer over the structure, wherein the spacer layer may be deposited having a thickness greater than half of the first distance, wherein the spacer layer may include electrically conductive spacer material; removing a portion of the spacer layer, wherein spacer material of the spacer layer may remain in a region between the at least two adjacent structure elements; and electrically contacting the remaining spacer material.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: January 31, 2017
    Assignee: INFINEON TECHNOLOGIES DRESDEN GMBH
    Inventors: Robert Strenz, Mayk Roehrich, Wolfram Langheinrich, John Power, Danny Shum, Martin Stiftinger
  • Patent number: 9418864
    Abstract: In one embodiment, a method of forming a semiconductor device is disclosed. A high-k dielectric is deposited of over a semiconductor body, and a portion of the high-k dielectric is wet etched an etchant selected from the group consisting of hot phos, piranha, and SC1.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: August 16, 2016
    Assignee: Infineon Technologies AG
    Inventors: Danny Pak-Chum Shum, Alfred Vater, John Power, Wolfram Langheinrich, Ulrike Bewersdorff-Sarlette
  • Publication number: 20160211250
    Abstract: According to various embodiments, a semiconductor substrate arrangement may be provided, wherein the semiconductor substrate arrangement may include: a semiconductor substrate defining a first area at a first level and a second area next to the first area at a second level, wherein the first level is lower than the second level; a plurality of planar non-volatile memory structures disposed over the semiconductor substrate in the first area; and a plurality of planar transistor structures disposed over the semiconductor substrate in the second area.
    Type: Application
    Filed: January 15, 2015
    Publication date: July 21, 2016
    Inventors: Wolfram LANGHEINRICH, Robert STRENZ, Georg TEMPEL, Knut STAHRENBERG, Nikolaos HATZOPOULOS, Christoph BUKETHAL, Klaus KNOBLOCH, Achim GRATZ, Mayk ROEHRICH
  • Patent number: 9337047
    Abstract: One or more embodiments are related to a semiconductor device, comprising: a high-K dielectric material; and a nitrogen-doped silicon material disposed over said high-k dielectric material.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: May 10, 2016
    Assignee: Infineon Technologies AG
    Inventors: Danny Pak-Chum Shum, Ronald Kakoschke, John Power, Wolfram Langheinrich
  • Publication number: 20150255477
    Abstract: A method for processing a carrier accordance with various embodiments may include: forming a structure over the carrier, the structure including at least two adjacent structure elements arranged at a first distance between the same; depositing a spacer layer over the structure, wherein the spacer layer may be deposited having a thickness greater than half of the first distance, wherein the spacer layer may include electrically conductive spacer material; removing a portion of the spacer layer, wherein spacer material of the spacer layer may remain in a region between the at least two adjacent structure elements; and electrically contacting the remaining spacer material.
    Type: Application
    Filed: May 22, 2015
    Publication date: September 10, 2015
    Inventors: Robert Strenz, Mayk Roehrich, Wolfram Langheinrich, John Power, Danny Shum, Martin Stiftinger
  • Patent number: 9040375
    Abstract: A method for processing a carrier accordance with various embodiments may include: forming a structure over the carrier, the structure including at least two adjacent structure elements arranged at a first distance between the same; depositing a spacer layer over the structure, wherein the spacer layer may be deposited having a thickness greater than half of the first distance, wherein the spacer layer may include electrically conductive spacer material; removing a portion of the spacer layer, wherein spacer material of the spacer layer may remain in a region between the at least two adjacent structure elements; and electrically contacting the remaining spacer material.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: May 26, 2015
    Assignee: INFINEON TECHNOLOGIES DRESDEN GMBH
    Inventors: Robert Strenz, Mayk Roehrich, Wolfram Langheinrich, John Power, Danny Shum, Martin Stiftinger
  • Patent number: 9030877
    Abstract: In an embodiment of the invention, a memory cell arrangement includes a substrate and at least one memory cell including a charge storing memory cell structure and a select structure. The memory cell arrangement further includes a first doping well, a second doping well and a third doping well arranged within the substrate, wherein the charge storing memory cell structure is arranged in or above the first doping well, the first doping well is arranged within the second doping well, and the second doping well is arranged within the third doping well. The memory cell arrangement further includes a control circuit coupled with the memory cell and configured to control the memory cell such that the charge storing memory cell structure is programmed or erased by charging or discharging the charge storing memory cell structure via at least the first doping well.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: May 12, 2015
    Assignee: Infineon Technologies AG
    Inventors: Robert Strenz, Wolfram Langheinrich, Mayk Roehrich, Robert Wiesner
  • Publication number: 20140213049
    Abstract: A method for processing a carrier accordance with various embodiments may include: forming a structure over the carrier, the structure including at least two adjacent structure elements arranged at a first distance between the same; depositing a spacer layer over the structure, wherein the spacer layer may be deposited having a thickness greater than half of the first distance, wherein the spacer layer may include electrically conductive spacer material; removing a portion of the spacer layer, wherein spacer material of the spacer layer may remain in a region between the at least two adjacent structure elements; and electrically contacting the remaining spacer material.
    Type: Application
    Filed: January 28, 2013
    Publication date: July 31, 2014
    Applicant: INFINEON TECHNOLOGIES DRESDEN GMBH
    Inventors: Robert Strenz, Mayk Roehrich, Wolfram Langheinrich, John Power, Danny Shum, Martin Stiftinger
  • Patent number: 8320191
    Abstract: In an embodiment of the invention, a memory cell arrangement includes a substrate and at least one memory cell including a charge storing memory cell structure and a select structure. The memory cell arrangement further includes a first doping well, a second doping well and a third doping well arranged within the substrate, wherein the charge storing memory cell structure is arranged in or above the first doping well, the first doping well is arranged within the second doping well, and the second doping well is arranged within the third doping well. The memory cell arrangement further includes a control circuit coupled with the memory cell and configured to control the memory cell such that the charge storing memory cell structure is programmed or erased by charging or discharging the charge storing memory cell structure via at least the first doping well.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: November 27, 2012
    Assignee: Infineon Technologies AG
    Inventors: Robert Strenz, Wolfram Langheinrich, Mayk Roehrich, Robert Wiesner
  • Patent number: 7713810
    Abstract: The disclosed embodiments relate to a method for the production of a layer arrangement, a layer arrangement and a memory arrangement. According to one aspect at least one respectively laterally defined first layer sequence is embodied on a first surface area of a substrate and at least one respectively laterally defined second layer sequence is embodied on a second surface area of the substrate in order to produce a layer arrangement. A first side wall having a first thickness is respectively produced from a first electrically insulating material on at least one partial area of the side walls of the first and second layer sequences. A second side wall layer having a second thickness is respectively produced from a second electrically insulating material on at least one partial area of the first side wall layers and the second side wall layers are removed from the first layer sequences.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: May 11, 2010
    Assignee: Infineon Technologies AG
    Inventors: Peter Hagemeyer, Wolfram Langheinrich
  • Publication number: 20090189280
    Abstract: In one embodiment, a method of forming a semiconductor device is disclosed. A high-k dielectric is deposited of over a semiconductor body, and a portion of the high-k dielectric is wet etched an etchant selected from the group consisting of hot phos, piranha, and SC1.
    Type: Application
    Filed: January 30, 2008
    Publication date: July 30, 2009
    Inventors: Daniel Pak-Chum Shum, Alfred Vater, John Power, Wolfram Langheinrich, Ulrike Bewersdorff-Sarlette