Patents by Inventor Steffen Bieselt

Steffen Bieselt 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: 10354911
    Abstract: In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a first cavity within a substrate. The first cavity is disposed under a portion of the substrate. The method further includes forming a first pillar within the first cavity to support the portion of the substrate.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: July 16, 2019
    Assignee: INFINEON TECHNOLOGIES DRESDEN GMBH
    Inventors: Thoralf Kautzsch, Alessia Scire, Steffen Bieselt
  • Patent number: 10290805
    Abstract: A method for manufacturing an emitter comprises providing a semiconductor substrate having a main surface, the semiconductor substrate comprising a cavity adjacent to the main surface. A portion of the semiconductor substrate arranged between the cavity and the main surface of the semiconductor substrate forms a support structure. The method comprises arranging an emitting element at the support structure, the emitting element being configured to emit a thermal radiation of the emitter, wherein the cavity provides a reduction of a thermal coupling between the emitting element and the semiconductor substrate.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: May 14, 2019
    Assignee: Infineon Technologies Dresden GmbH
    Inventors: Steffen Bieselt, Heiko Froehlich, Thoralf Kautzsch, Maik Stegemann, Mirko Vogt
  • Publication number: 20190004084
    Abstract: A micromechanical sensor includes a first and a second capacitive sensor element each having a first and a second electrode, wherein electrode wall surfaces of the first electrode and the second electrode are situated opposite one another in a first direction and form a capacitance, wherein the first electrodes are movable in a second direction, which is different than the first direction, in response to a variable to be detected, and the second electrodes are stationary. The electrode wall surface of the first electrode of the first sensor element has a smaller extent in the second direction than the opposite electrode wall surface of the second electrode of the first sensor element. The electrode wall surface of the second electrode of the second sensor element has a smaller extent in the second direction than the opposite electrode wall surface of the first electrode of the second sensor element.
    Type: Application
    Filed: June 26, 2018
    Publication date: January 3, 2019
    Applicant: Infineon Technologies Dresden GmbH
    Inventors: Erhard LANDGRAF, Stephan Gerhard ALBERT, Steffen BIESELT, Sebastian PREGL, Matthias ROSE
  • 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
  • Publication number: 20180297838
    Abstract: A microelectromechanical systems (MEMS) device is provided and includes a bulk semiconductor substrate, a cavity formed in the bulk semiconductor substrate, a movably suspended mass, a cap structure and a capacitive structure is shown. The movably suspended mass is defined in the bulk semiconductor substrate by one or more trenches extending from a main surface area of the bulk semiconductor substrate to the cavity. The cap is structure arranged on the main surface area of the bulk semiconductor substrate. The capacitive structure comprises a first electrode structure arranged on the movably suspended mass and a second electrode structure arranged at the cap structure such that the first electrode structure and the second electrode structure are spaced apart in a direction perpendicular to the main surface area of the bulk semiconductor substrate.
    Type: Application
    Filed: April 12, 2018
    Publication date: October 18, 2018
    Applicant: Infineon Technologies Dresden GmbH
    Inventors: Thoralf KAUTZSCH, Steffen BIESELT, Heiko FROEHLICH, Andre ROETH, Maik STEGEMANN, Mirko VOGT
  • Patent number: 10096511
    Abstract: According to various embodiments, a carrier may be provided, the carrier including: a hollow chamber spaced apart from a surface of the carrier; a trench structure extending from the surface of the carrier to the hollow chamber and laterally surrounding a first region of the carrier, the trench structure including one or more trenches extending from the surface of the carrier to the hollow chamber, and one or more support structures intersecting the one or more trenches and connecting the first region of the carrier with a second region of the carrier outside the trench structure, wherein the one or more support structures including an electrically insulating material.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: October 9, 2018
    Assignee: Infineon Technologies Dresden GmbH
    Inventor: Steffen Bieselt
  • Publication number: 20180217178
    Abstract: An accelerometer may include a seismic mass to flex based on acceleration components perpendicular to a surface of a substrate. The seismic mass may include a first electrode and a portion of the substrate. A first surface of the seismic mass may be adjacent to a first cavity in the substrate, and a second surface of the seismic mass being adjacent to a second cavity. The first surface of the seismic mass and the second surface of the seismic mass may be on opposite sides of the seismic mass. The accelerometer may include a second electrode separated from the second surface of the seismic mass by at least the second cavity.
    Type: Application
    Filed: February 1, 2017
    Publication date: August 2, 2018
    Inventors: Thoralf KAUTZSCH, Steffen BIESELT
  • Publication number: 20180175069
    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: Application
    Filed: February 20, 2018
    Publication date: June 21, 2018
    Inventors: Thoralf Kautzsch, Alessia Scire, Steffen Bieselt, Franz Hirler, Anton Mauder, Wolfgang Scholz, Hans-Joachim Schulze, Francisco Javier Santos Rodriguez
  • Publication number: 20180159034
    Abstract: A method for manufacturing an emitter comprises providing a semiconductor substrate having a main surface, the semiconductor substrate comprising a cavity adjacent to the main surface. A portion of the semiconductor substrate arranged between the cavity and the main surface of the semiconductor substrate forms a support structure. The method comprises arranging an emitting element at the support structure, the emitting element being configured to emit a thermal radiation of the emitter, wherein the cavity provides a reduction of a thermal coupling between the emitting element and the semiconductor substrate.
    Type: Application
    Filed: February 5, 2018
    Publication date: June 7, 2018
    Inventors: Steffen BIESELT, Heiko Froehlich, Thoralf Kautzsch, Maik Stegemann, Mirko Vogt
  • Publication number: 20180155188
    Abstract: The present disclosure relates to an integrated semiconductor device, comprising a semiconductor substrate; a cavity formed into the semiconductor substrate; a sensor portion of the semiconductor substrate deflectably suspended in the cavity at one side of the cavity via a suspension portion of the semiconductor substrate interconnecting the semiconductor substrate and the sensor portion thereof, wherein an extension of the suspension portion along the side of the cavity is smaller than an extension of said side of the cavity.
    Type: Application
    Filed: January 19, 2018
    Publication date: June 7, 2018
    Inventors: Thoralf Kautzsch, Heiko Froehlich, Alessia Scire, Maik Stegemann, Bernhard Winkler, Andre Roeth, Steffen Bieselt, Mirko Vogt
  • Patent number: 9991340
    Abstract: According to a method in semiconductor device fabrication, a first trench and a second trench are concurrently etched in a semi-finished semiconductor device. The first trench is a mechanical decoupling trench between a first region of an eventual semiconductor device and a second region thereof. The method further includes concurrently passivating or insulating sidewalls of the first trench and of the second trench. A related semiconductor device includes a first trench configured to provide a mechanical decoupling between a first region and a second region of the semiconductor device. The semiconductor device further includes a second trench and a sidewall coating at sidewalls of the first trench and the second trench. The sidewall coating at the sidewalls of the first trench and at the sidewalls of the second trench are of the same material.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: June 5, 2018
    Assignee: Infineon Technologies AG
    Inventors: Steffen Bieselt, Dirk Meinhold
  • Patent number: 9938135
    Abstract: Embodiments provide a MEMS (Micro Electro Mechanical System) pressure sensor comprising a semiconductor substrate, wherein the semiconductor substrate comprises a stress decoupling structure adapted to stress decouple a first portion of the semiconductor substrate from a second portion of the semiconductor substrate, wherein the first portion of the semiconductor substrate comprises a first buried empty space, wherein the second portion of the semiconductor substrate comprises a second buried empty space, and wherein the semiconductor substrate comprises a pressure channel fluidically connecting the first buried empty space and the second buried empty space.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: April 10, 2018
    Assignee: Infineon Technologies Dresden GmbH
    Inventor: Steffen Bieselt
  • Patent number: 9938133
    Abstract: According to an embodiment, a method of forming a MEMS transducer includes forming a transducer frame in a layer of monocrystalline silicon, where forming the transducer frame includes forming a support portion adjacent a cavity and forming a first set of comb-fingers extending from the support portion. The method of forming a MEMS transducer further includes forming a spring support from an anchor to the support portion and forming a second set of comb-fingers in the layer of monocrystalline silicon. The second set of comb-fingers is interdigitated with the first set of comb-fingers.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: April 10, 2018
    Assignee: INFINEON TECHNOLOGIES DRESDEN GMBH
    Inventors: Thoralf Kautzsch, Mohsin Nawaz, Alfons Dehe, Heiko Froehlich, Alessia Scire, Steffen Bieselt
  • Patent number: 9929181
    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: December 12, 2016
    Date of Patent: March 27, 2018
    Assignee: Infineon Technologies Dresden GmbH
    Inventors: Thoralf Kautzsch, Alessia Scire, Steffen Bieselt, Franz Hirler, Anton Mauder, Wolfgang Scholz, Hans-Joachim Schulze, Francisco Javier Santos Rodriguez
  • Publication number: 20180065846
    Abstract: A method for forming a microelectromechanical device is shown. The method comprises forming a cavity in a semiconductor substrate material, wherein the semiconductor substrate material comprises an opening for providing access to the cavity through a main surface area of the semiconductor substrate material. In a further step, the method comprises forming a support structure having a support structure material different from the semiconductor substrate material to close the opening at least partially by mechanically connecting the main surface area of the semiconductor substrate material with the bottom of the cavity. Furthermore, the method comprises a step of forming a lamella structure in the main surface area above the cavity such that the lamella structure is held spaced apart from the bottom of the cavity by the support structure.
    Type: Application
    Filed: September 5, 2017
    Publication date: March 8, 2018
    Inventors: Thoralf Kautzsch, Steffen Bieselt, Alessia Scire
  • Patent number: 9896329
    Abstract: The present disclosure relates to an integrated semiconductor device, comprising a semiconductor substrate; a cavity formed into the semiconductor substrate; a sensor portion of the semiconductor substrate deflectably suspended in the cavity at one side of the cavity via a suspension portion of the semiconductor substrate interconnecting the semiconductor substrate and the sensor portion thereof, wherein an extension of the suspension portion along the side of the cavity is smaller than an extension of said side of the cavity.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: February 20, 2018
    Assignee: Infineon Technologies Dresden GmbH
    Inventors: Thoralf Kautzsch, Heiko Froehlich, Alessia Scire, Maik Stegemann, Bernhard Winkler, Andre Roeth, Steffen Bieselt, Mirko Vogt
  • Patent number: 9887355
    Abstract: A method for manufacturing an emitter comprises providing a semiconductor substrate having a main surface, the semiconductor substrate comprising a cavity adjacent to the main surface. A portion of the semiconductor substrate arranged between the cavity and the main surface of the semiconductor substrate forms a support structure. The method comprises arranging an emitting element at the support structure, the emitting element being configured to emit a thermal radiation of the emitter, wherein the cavity provides a reduction of a thermal coupling between the emitting element and the semiconductor substrate.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: February 6, 2018
    Assignee: Infineon Technologies Desden GmbH
    Inventors: Steffen Bieselt, Heiko Froehlich, Thoralf Kautzsch, Maik Stegemann, Mirko Vogt
  • Publication number: 20170369306
    Abstract: Embodiments provide a MEMS (Micro Electro Mechanical System) pressure sensor comprising a semiconductor substrate, wherein the semiconductor substrate comprises a stress decoupling structure adapted to stress decouple a first portion of the semiconductor substrate from a second portion of the semiconductor substrate, wherein the first portion of the semiconductor substrate comprises a first buried empty space, wherein the second portion of the semiconductor substrate comprises a second buried empty space, and wherein the semiconductor substrate comprises a pressure channel fluidically connecting the first buried empty space and the second buried empty space.
    Type: Application
    Filed: June 21, 2017
    Publication date: December 28, 2017
    Inventor: Steffen BIESELT
  • Publication number: 20170297895
    Abstract: According to an embodiment, a method of forming a MEMS transducer includes forming a transducer frame in a layer of monocrystalline silicon, where forming the transducer frame includes forming a support portion adjacent a cavity and forming a first set of comb-fingers extending from the support portion. The method of forming a MEMS transducer further includes forming a spring support from an anchor to the support portion and forming a second set of comb-fingers in the layer of monocrystalline silicon. The second set of comb-fingers is interdigitated with the first set of comb-fingers.
    Type: Application
    Filed: April 13, 2016
    Publication date: October 19, 2017
    Inventors: Thoralf Kautzsch, Mohsin Nawaz, Alfons Dehe, Heiko Froehlich, Alessia Scire, Steffen Bieselt
  • Publication number: 20170287772
    Abstract: In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a first cavity within a substrate. The first cavity is disposed under a portion of the substrate. The method further includes forming a first pillar within the first cavity to support the portion of the substrate.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 5, 2017
    Inventors: Thoralf Kautzsch, Alessia Scire, Steffen Bieselt