Patents by Inventor Holger Hoefer

Holger Hoefer 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: 20240167845
    Abstract: A method for adjusting an inertial sensor component using a calibration device. The calibration device includes a base device or the base device is connected to the calibration device. The method includes: in a first step for adjusting the inertial sensor component, its housing is positioned and/or aligned relative to the base device that is arranged in the calibration device and connected thereto, in a second step following the first step, the base device and the inertial sensor component are adjusted and/or calibrated using the calibration device by applying a defined acceleration in at least one spatial direction and/or a defined rotation rate in at least one spatial direction.
    Type: Application
    Filed: November 6, 2023
    Publication date: May 23, 2024
    Inventors: Michael Struchholz, Carsten Mennicke, Holger Hoefer, Jan-Timo Liewald, Magnus Christian Proebster, Matthias Meier, Tobias Hertle
  • Patent number: 11505455
    Abstract: A method for producing a micromechanical device having a damper structure. The method includes: (A) providing a micromechanical wafer having a rear side; (B) applying a liquid damper material onto the rear side; (C) pressing a matrix against the rear side in order to form at least one damper structure in the damper material; (D) curing the damper material; and (E) removing the matrix.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: November 22, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Holger Hoefer, Klaus Offterdinger, Maximilian Amberger, Michael Stumber
  • Publication number: 20210179422
    Abstract: A method for producing a micromechanical device having a damper structure. The method includes: (A) providing a micromechanical wafer having a rear side; (B) applying a liquid damper material onto the rear side; (C) pressing a matrix against the rear side in order to form at least one damper structure in the damper material; (D) curing the damper material; and (E) removing the matrix.
    Type: Application
    Filed: November 29, 2019
    Publication date: June 17, 2021
    Inventors: Holger Hoefer, Klaus Offterdinger, Maximilian Amberger, Michael Stumber
  • Patent number: 10684185
    Abstract: A sensor and/or sound detection device having a sensing device having a sensitive surface, an access channel being designed in such a way that air and/or a gas is transferable through the open access channel between a spatial surroundings of the sensor/detection device and the sensitive surface, and an at least partially water-impermeable membrane having respectively an inner side of the membrane facing the associated access channel being designed in such a way that a contact surface on the respective inner side of the respective membrane is pressed against an associated membrane contact surface on the associated access channel in such a way that the associated access channel is sealed in a liquid-tight manner when an outer side of the respective membrane or a covering layer on the respective outer side of the membrane is wetted with at least a minimum quantity of liquid and the respective membrane is deformed.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: June 16, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Daniel Haug, Holger Hoefer, Jochen Reinmuth, Michael Knauss, Sebastian Schuler-Watkins
  • Patent number: 10584029
    Abstract: A method for producing thin MEMS chips on SOI substrate including: providing an SOI substrate having a silicon layer on a front side and having an oxide intermediate layer, producing a layer structure on the front side of the SOI substrate and producing a MEMS structure from this layer structure, capping the MEMS structure and producing a cavity, and etching a back side of the SOI substrate down to the oxide intermediate layer. Also described is a micromechanical component having a substrate, a MEMS layer structure having a MEMS structure in a cavity and a cap element, the MEMS structure and its cavity being enclosed by the substrate underneath and the cap element above, the substrate being made of polycrystalline silicon.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: March 10, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Jochen Reinmuth, Burkhard Kuhlmann, Holger Hoefer
  • Publication number: 20190039885
    Abstract: A method for producing thin MEMS chips on SOI substrate including: providing an SOI substrate having a silicon layer on a front side and having an oxide intermediate layer, producing a layer structure on the front side of the SOI substrate and producing a MEMS structure from this layer structure, capping the MEMS structure and producing a cavity, and etching a back side of the SOI substrate down to the oxide intermediate layer. Also described is a micromechanical component having a substrate, a MEMS layer structure having a MEMS structure in a cavity and a cap element, the MEMS structure and its cavity being enclosed by the substrate underneath and the cap element above, the substrate being made of polycrystalline silicon.
    Type: Application
    Filed: August 6, 2018
    Publication date: February 7, 2019
    Inventors: Jochen Reinmuth, Burkhard Kuhlmann, Holger Hoefer
  • Publication number: 20180372573
    Abstract: A sensor and/or sound detection device having a sensing device having a sensitive surface, an access channel being designed in such a way that air and/or a gas is transferable through the open access channel between a spatial surroundings of the sensor/detection device and the sensitive surface, and an at least partially water-impermeable membrane having respectively an inner side of the membrane facing the associated access channel being designed in such a way that a contact surface on the respective inner side of the respective membrane is pressed against an associated membrane contact surface on the associated access channel in such a way that the associated access channel is sealed in a liquid-tight manner when an outer side of the respective membrane or a covering layer on the respective outer side of the membrane is wetted with at least a minimum quantity of liquid and the respective membrane is deformed.
    Type: Application
    Filed: June 22, 2018
    Publication date: December 27, 2018
    Inventors: Daniel Haug, Holger Hoefer, Jochen Reinmuth, Michael Knauss, Sebastian Schuler-Watkins
  • Patent number: 9222955
    Abstract: A damping device for a micromechanical sensor device, having at least one first intermediate layer having at least two sections, a second section being situated around a first section, a lateral distance being provided between the first and the second section, and an elastic device being provided between the first section and the second section as an integral part of the first intermediate layer.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: December 29, 2015
    Assignee: ROBERT BOSCH GMBH
    Inventors: Holger Hoefer, Ricardo Ehrenpfordt, Klaus Offterdinger, Christian Solf
  • Patent number: 8810252
    Abstract: An integrated circuit includes an electronic circuit in a housing and a first contacting device for soldering the circuit to a corresponding second contacting device of a circuit board. The first and second contacting devices are each divided into a first section and a second section, the sections of one of the contacting devices being fixedly electrically connected to each other, and the sections of the other contacting device being selectively connectable to a device for resistance determination.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: August 19, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Eric Ochs, Holger Hoefer, Lutz Rauscher, Eckart Schellkes, Florian Grabmaier
  • Patent number: 8671752
    Abstract: A sensor system includes a supporting element and a sensor element attached to the supporting element and having a main plane of extension. The supporting element has (i) at least one contact element for electrical contacting of the sensor system and (ii) at least one relief structure for stress decoupling, the at least one relief structure being situated in a plane parallel to the main plane of extension essentially between the at least one contact element and the sensor element.
    Type: Grant
    Filed: January 21, 2011
    Date of Patent: March 18, 2014
    Assignee: Robert Bosch GmbH
    Inventors: Holger Hoefer, Uwe Hansen, Michael Knauss
  • Publication number: 20130199295
    Abstract: A damping device for a micromechanical sensor device, having at least one first intermediate layer having at least two sections, a second section being situated around a first section, a lateral distance being provided between the first and the second section, and an elastic device being provided between the first section and the second section as an integral part of the first intermediate layer.
    Type: Application
    Filed: February 1, 2013
    Publication date: August 8, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Holger HOEFER, Ricardo EHRENPFORDT, Klaus OFFTERDINGER, Christian SOLF
  • Patent number: 8304845
    Abstract: An integrated component having a substrate, the substrate having a cavity which surrounds a mechanical structure. The cavity is filled by a fluid of a specific composition under a specific pressure, and the mechanical properties of the mechanical structure are influenced by the fluid.
    Type: Grant
    Filed: November 24, 2006
    Date of Patent: November 6, 2012
    Assignee: Robert Bosch GmbH
    Inventors: Udo Bischof, Holger Hoefer, Volker Schmitz, Axel Grosse, Lutz Mueller, Ralf Hausner
  • Publication number: 20120025863
    Abstract: An integrated circuit includes an electronic circuit in a housing and a first contacting device for soldering the circuit to a corresponding second contacting device of a circuit board. The first and second contacting devices are each divided into a first section and a second section, the sections of one of the contacting devices being fixedly electrically connected to each other, and the sections of the other contacting device being selectively connectable to a device for resistance determination.
    Type: Application
    Filed: June 8, 2011
    Publication date: February 2, 2012
    Inventors: Eric Ochs, Holger Hoefer, Lutz Rauscher, Eckart Schellkes, Florian Grabmaier
  • Publication number: 20110203369
    Abstract: A sensor system includes a supporting element and a sensor element attached to the supporting element and having a main plane of extension. The supporting element has (i) at least one contact element for electrical contacting of the sensor system and (ii) at least one relief structure for stress decoupling, the at least one relief structure being situated in a plane parallel to the main plane of extension essentially between the at least one contact element and the sensor element.
    Type: Application
    Filed: January 21, 2011
    Publication date: August 25, 2011
    Inventors: Holger Hoefer, Uwe Hansen, Michael Knauss
  • Publication number: 20110049505
    Abstract: A device includes a first semiconductor chip and a second semiconductor chip which are connected to each other in an electrically conductive manner via a bonding wire, the bonding wire having a contact to the first semiconductor chip at a first contact point and having a contact to the second semiconductor chip at a second contact point, and the device including a further bonding wire which has a further first contact point and a further second contact point, a maximum distance between the bonding wire and a direct connecting line between the first and second contact points perpendicular to the connecting line being greater than a further maximum distance between the further bonding wire and a further connecting line between the further first contact point and the further second contact point perpendicular to the further connecting line.
    Type: Application
    Filed: August 30, 2010
    Publication date: March 3, 2011
    Inventors: Johannes Grabowski, Holger Hoefer, Thomas Klaus, Gerald Hopf
  • Patent number: 7564033
    Abstract: The invention relates to a microstructured sensor, having at least one measurement chip in which there is formed a first measurement area having a first measurement structure and a second measurement area having a second measurement structure, the measurement areas being offset to one another in a lateral direction, one cap chip that is fastened in vacuum-tight fashion to the measurement chip in a connecting area, one intermediate space, formed between the measurement chip and the cap chip, that is sealed outwardly by the connecting area and in which the measurement areas are situated, and at least one contact area, formed on the measurement chip, and left exposed by the cap chip, for the contacting of the measurement chip. The sensor can be in particular a gas sensor for measuring a gas concentration, or an acceleration sensor.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: July 21, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Frank Reichenbach, Holger Hoefer
  • Publication number: 20090174148
    Abstract: An integrated component having a substrate, the substrate having a cavity which surrounds a mechanical structure. The cavity is filled by a fluid of a specific composition under a specific pressure, and the mechanical properties of the mechanical structure are influenced by the fluid.
    Type: Application
    Filed: November 24, 2006
    Publication date: July 9, 2009
    Inventors: Udo Bischof, Holger Hoefer, Volker Schmitz, Axel Grosse, Lutz Mueller, Ralf Hausner
  • Publication number: 20090168836
    Abstract: A micromechanical structure, a temperature and/or radiation sensor, and a method for manufacturing a micromechanical structure are suggested, the micromechanical structure including a substrate and a thermoelement having a reference contact and a measuring contact, the substrate having a main substrate plane), the thermoelement having a first material between the reference contact and the measuring contact and a second material between the measuring contact and a further reference contact, either the first material being situated over the second material or the second material being situated over the first material between the reference contact and the measuring contact in a direction perpendicular to the main substrate plane.
    Type: Application
    Filed: November 24, 2006
    Publication date: July 2, 2009
    Inventors: Holger Hoefer, Axel Grosse
  • Publication number: 20080061237
    Abstract: An infrared sensor having at least one measuring structure, which has, for example, a sensor chip having a measuring structure and a cap chip which is attached to the sensor chip and, together with the sensor chip, defines a sensor space; a screen having an internal screen area and an external screen area surrounding the internal screen area being formed on the top side of the cap chip; the internal screen area which is transparent to the infrared radiation to be detected being formed above the measuring structure, and the external screen area being at least partly non-transparent for the incident infrared radiation. The external screen area may be designed in particular as a reflective coating of metal or a dielectric layer, as reflective structuring formed by trenches having oblique surfaces, or as absorbing structuring.
    Type: Application
    Filed: May 11, 2005
    Publication date: March 13, 2008
    Inventors: Jochen Franz, Frank Reichenbach, Dieter Maurer, Holger Hoefer, Mark-Alexander Schweiker
  • Publication number: 20080053254
    Abstract: The invention relates to a microstructured sensor, having at least one measurement chip in which there is formed a first measurement area having a first measurement structure and a second measurement area having a second measurement structure, the measurement areas being offset to one another in a lateral direction, one cap chip that is fastened in vacuum-tight fashion to the measurement chip in a connecting area, one intermediate space, formed between the measurement chip and the cap chip, that is sealed outwardly by the connecting area and in which the measurement areas are situated, and at least one contact area, formed on the measurement chip, and left exposed by the cap chip, for the contacting of the measurement chip. The sensor can be in particular a gas sensor for measuring a gas concentration, or an acceleration sensor.
    Type: Application
    Filed: January 14, 2005
    Publication date: March 6, 2008
    Inventors: Frank Reichenbach, Holger Hoefer