Patents by Inventor Johannes Classen

Johannes Classen 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: 20220048758
    Abstract: A micromechanical component for a sensor device. The component includes a first seismic mass, the first seismic mass displaced out of its first position of rest by a first limit distance into a first direction along a first axis mechanically contacting a first stop structure, and including a second seismic mass which is displaceable out of its second position of rest at least along a second axis, the second axis lying parallel to the first axis or on the first axis, and a second stop surface of the second seismic mass, displaced out of its second position of rest into a second direction counter to the first direction along the second axis, mechanically contacting a first stop surface of the first seismic mass adhering to the first stop structure.
    Type: Application
    Filed: July 21, 2021
    Publication date: February 17, 2022
    Inventor: Johannes Classen
  • Publication number: 20220049958
    Abstract: A micromechanical system which includes a movably suspended mass. The micromechanical system includes a damping system, the damping system including a movably suspended damping structure, the damping structure being deflectable by applying a voltage. The damping structure is designed in such a way that a frequency response and/or a damping of the movably suspended mass are/is changeable with the aid of a deflection of the damping structure.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 17, 2022
    Inventors: Lars Tebje, Johannes Classen, Christof Schwenk, Holger Rumpf, Joerg Braeuer, Torsten Ohms
  • Publication number: 20220041432
    Abstract: A manufacturing method for a micromechanical component. The method includes: providing an ASIC component including first front and rear sides, a strip conductor unit being provided at the first front side; providing a MEMS component including second front and rear sides, a micromechanical functional element situated in a cavity at the second front side; bonding the first front side onto the second front side; back-thinning the first rear side; forming vias starting from the back-thinned first rear side and from a redistribution unit on the first rear side, the vias electrically connecting the strip conductor unit to the redistribution unit; forming electrical contact elements on the redistribution unit; and back-thinning the second rear side. The back-thinning of the first and second rear side taking place so that a thickness of the stack made up of ASIC component and MEMS component is less than 300 micrometers.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 10, 2022
    Inventors: Johannes Classen, Frank Reuss, Manuel Dietrich, Timm Hoehr
  • Patent number: 11215632
    Abstract: A micromechanical inertial sensor, having a substrate; and a seismic mass which is connected to the substrate and developed so that it has a detection capability of a low-g acceleration of approximately 1 g in a first Cartesian coordinate direction, and the seismic mass is furthermore developed so that it has a detection capability of a high-g acceleration of at least approximately 100 g in at least one second Cartesian coordinate direction.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: January 4, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Johannes Classen, Lars Tebje
  • Publication number: 20210341510
    Abstract: A micromechanical sensor system, in particular, an acceleration sensor, including a substrate having a main extension plane, the sensor system including a first mass and a second mass. The first and second masses are each designed to be at least partially movable in a vertical direction, perpendicular to the main extension plane of the substrate. The first mass includes a stop structure, wherein the stop structure has an overlap with the second mass in the vertical direction.
    Type: Application
    Filed: April 21, 2021
    Publication date: November 4, 2021
    Inventor: Johannes Classen
  • Publication number: 20210325422
    Abstract: A sensor system including a plurality of individual and separate sensor elements. Each of the individual sensor elements is independently functional. The individual sensor elements of the sensor system being formed in one piece from parts of a wafer or a vertically integrated wafer stack. The sensor system including at least one separation structure, in particular a scribe line, between the individual and separate sensor elements.
    Type: Application
    Filed: April 2, 2021
    Publication date: October 21, 2021
    Inventors: Amin Jemili, Joerg Braeuer, Johannes Classen
  • Publication number: 20210323809
    Abstract: A micromechanical device including a substrate, a movable mass, and a stop spring structure, which includes a stop. The substrate includes a substrate surface in parallel to a main extension plane and the movable mass is situated movably above the substrate surface in relation to the substrate. The stop spring structure is connected to the movable mass. The stop is designed to strike against the substrate surface in the event of a deflection of the movable mass in a z direction, perpendicular to the main extension plane. The stop spring structure, at the location of the stop, includes a first spring constant, a second spring constant, in parallel to the main extension plane, and a third spring constant, in parallel to the main extension plane and perpendicular to the x direction. The first spring constant is greater than the second spring constant and/or is greater than the third spring constant.
    Type: Application
    Filed: April 7, 2021
    Publication date: October 21, 2021
    Inventors: Cristian Nagel, Johannes Classen, Rolf Scheben, Rudy Eid
  • Patent number: 11111137
    Abstract: A method for manufacturing a micromechanical sensor, including the steps: providing a MEMS wafer that includes a MEMS substrate, a defined number of etching trenches being formed in the MEMS substrate in a diaphragm area, the diaphragm area being formed in a first silicon layer that is situated at a defined distance from the MEMS substrate; providing a cap wafer; bonding the MEMS wafer to the cap wafer; and forming a media access point to the diaphragm area by grinding the MEMS substrate.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: September 7, 2021
    Assignee: Robert Bosch GmbH
    Inventor: Johannes Classen
  • Publication number: 20210246012
    Abstract: A micromechanical component for a sensor device including a substrate having a substrate surface, at least one stator electrode situated on the substrate surface and/or on the at least one intermediate layer covering at least partially the substrate surface, which is formed in each case from a first semiconductor and/or metal layer, at least one adjustably situated actuator electrode, which is formed in each case from a second semiconductor and/or metal layer, and a diaphragm spanning the at least one stator electrode and the at least one actuator electrode, including a diaphragm exterior side directed away from the at least one stator electrode, which is formed from a third semiconductor and/or metal layer, a stiffening and/or protective structure protruding at the diaphragm exterior side being formed from a fourth semiconductor and/or metal layer.
    Type: Application
    Filed: February 5, 2021
    Publication date: August 12, 2021
    Inventor: Johannes Classen
  • Patent number: 11073534
    Abstract: A component is described, in particular an inertial sensor for detecting acceleration forces, including a substrate, a mass structure, and a spring unit, the mass structure being pivotable along an axis in relation to the substrate with the aid of the spring unit, the spring unit including a first spring web and a second spring web, which are spaced apart from one another along a z direction. Furthermore, a method for manufacturing a spring unit is described.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: July 27, 2021
    Assignee: Robert Bosch GmbH
    Inventor: Johannes Classen
  • Patent number: 11014807
    Abstract: A method for producing a system, including a first microelectromechanical element and a second microelectromechanical element, including the following: providing, a substrate, having the first microelectromechanical element and the second microelectromechanical element, and a cap element, a getter material being situated on the substrate in a first region in a surrounding environment of the first microelectromechanical element and/or on the cap element in a first corresponding region; situating the cap element on the substrate using a wafer bonding technique so that a sealed first chamber is formed that contains the first microelectromechanical element and the first region and/or the first corresponding region, a sealed second chamber being formed that contains the second microelectromechanical element; producing an opening in the second chamber; and sealing the opening at a first ambient pressure, in particular a first gas pressure.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: May 25, 2021
    Assignee: Robert Bosch GmbH
    Inventor: Johannes Classen
  • Patent number: 10914937
    Abstract: A pivot apparatus, in particular a pivot apparatus for a micromirror, a fixed base frame being connected, directly or indirectly via an intermediate frame, to a pivotable carrier element. Spring elements having flexural springs are respectively disposed between the base frame and carrier element, base frame and intermediate frame, and intermediate frame and carrier element. The use of flexural springs enables good thermal coupling between the individual components, and an increase in robustness. The pivot apparatus can be embodied in particular as a microelectromechanical system.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: February 9, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Johannes Classen, Ralf Noltemeyer, Arnd Kaelberer, Peter Sudy, Hans Artmann
  • Patent number: 10900996
    Abstract: A micromechanical sensor, including: a substrate; a movable mass element sensitive in three spatial directions; two x-lateral electrodes for detecting a lateral x-deflection of the movable mass element; two y-lateral electrodes for detecting a lateral y-deflection of the movable mass element; z-electrodes for detecting a z-deflection of the movable mass element; each lateral electrode being fastened on the substrate with the aid of a fastening element; the fastening elements of all electrodes being formed close to a connection element of the movable mass element to the substrate.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: January 26, 2021
    Assignee: Robert Bosch GmbH
    Inventors: Antoine Puygranier, Denis Gugel, Guenther-Nino-Carlo Ullrich, Johannes Classen, Markus Linck-Lescanne
  • Publication number: 20200241035
    Abstract: A micromechanical inertial sensor, having a substrate; and a seismic mass which is connected to the substrate and developed so that it has a detection capability of a low-g acceleration of approximately 1 g in a first Cartesian coordinate direction, and the seismic mass is furthermore developed so that it has a detection capability of a high-g acceleration of at least approximately 100 g in at least one second Cartesian coordinate direction.
    Type: Application
    Filed: January 22, 2020
    Publication date: July 30, 2020
    Inventors: Johannes Classen, Lars Tebje
  • Publication number: 20200200793
    Abstract: A component is described, in particular an inertial sensor for detecting acceleration forces, including a substrate, a mass structure, and a spring unit, the mass structure being pivotable along an axis in relation to the substrate with the aid of the spring unit, the spring unit including a first spring web and a second spring web, which are spaced apart from one another along a z direction. Furthermore, a method for manufacturing a spring unit is described.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 25, 2020
    Inventor: Johannes Classen
  • Publication number: 20200180947
    Abstract: A method for setting a pressure in a cavern formed using a substrate and a substrate cap, the cavern being part of a semiconductor system, including an additional cavern formed with using the substrate and of the substrate cap, a microelectromechanical system being situated in the cavern, an additional microelectromechanical system being situated in the additional cavern, a diffusion area being situated in the substrate and/or in the substrate cap, the method includes a gas diffusing with the aid of the diffusion area from the surroundings into the cavern, during the diffusing, a diffusivity and/or a diffusion flow of the gas from the surroundings into the cavern being greater than an additional diffusivity and/or an additional diffusion flow of the gas from the surroundings into the additional cavern, and/or during the diffusing, the additional cavern being at least essentially protected from a penetration of the gas into the additional cavern.
    Type: Application
    Filed: December 2, 2019
    Publication date: June 11, 2020
    Inventor: Johannes Classen
  • Publication number: 20200156930
    Abstract: A micromechanical component having a movable seismic mass developed in a second and third silicon functional layer, a hollow body being developed in the second and third silicon functional layers, which has a cover element developed in a fourth silicon functional layer.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 21, 2020
    Inventors: Johannes Classen, Laszlo Gogh
  • Patent number: 10656173
    Abstract: A micromechanical structure for an acceleration sensor includes a movable seismic mass including electrodes, the seismic mass being attached to a substrate with the aid of an attachment element; first fixed counter electrodes attached to a first carrier plate; and second fixed counter electrodes attached to a second carrier plate, where the counter electrodes, together with the electrodes, are situated nested in one another in a sensing plane of the micromechanical structure, and where the carrier plates are situated nested in one another in a plane below the sensing plane, each being attached to a central area of the substrate with the aid of an attachment element.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: May 19, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Johannes Classen, Antoine Puygranier, Denis Gugel, Guenther-Nino-Carlo Ullrich, Markus Linck-Lescanne, Sebastian Guenther, Timm Hoehr
  • Patent number: 10607888
    Abstract: A conductive through-plating for a substrate includes a metal component, a first conductive structure situated on or in the environment of a surface of the substrate, and a second conductive structure situated on or in the environment of a further surface of the substrate. A method for producing the through-plating includes, in a first step, at least partially applying above the surface a grid structure that includes a group of openings; in a second step following the first step, carrying out an etching producing a trench in the substrate and at least partially also underneath the group of openings; and, in a fifth step following the second step, carrying out a metallization situating a metal component at least partially in the trench such that the metal component is part of a seal sealing the trench in the area of the surface.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: March 31, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Christoph Schelling, Johannes Classen, Simon Genter
  • Publication number: 20190382263
    Abstract: A method for producing a system, including a first microelectromechanical element and a second microelectromechanical element, including the following: providing, a substrate, having the first microelectromechanical element and the second microelectromechanical element, and a cap element, a getter material being situated on the substrate in a first region in a surrounding environment of the first microelectromechanical element and/or on the cap element in a first corresponding region; situating the cap element on the substrate using a wafer bonding technique so that a sealed first chamber is formed that contains the first microelectromechanical element and the first region and/or the first corresponding region, a sealed second chamber being formed that contains the second microelectromechanical element; producing an opening in the second chamber; and sealing the opening at a first ambient pressure, in particular a first gas pressure.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 19, 2019
    Inventor: Johannes Classen