Patents by Inventor Jan Richter

Jan Richter 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: 10960574
    Abstract: A method for producing solid layers includes: providing a solid for separating at least one solid layer; fixing an accommodating layer for holding the solid layer on the solid, wherein the accommodating layer has a multiplicity of holes for conducting a liquid, wherein the accommodating layer is fixed on the solid by means of a connecting layer; and thermal loading of the accommodating layer for mechanical generation of stresses in the solid. A crack in the solid propagates along a detachment plane due to the stresses. The solid layer is separated from the solid by means of the crack. The accommodating layer includes at least one polymer material, and the polymer material undergoes a glass transition at a temperature lower than 0° C.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: March 30, 2021
    Assignee: Siltectra GmbH
    Inventors: Jan Richter, Christian Beyer, Anas Ajaj
  • Publication number: 20210053148
    Abstract: Provided is a parent substrate that includes a central region and an edge region. The edge region surrounds the central region. A detachment layer is formed in the central region. The detachment layer extends parallel to a main surface of the parent substrate. The detachment layer includes modified substrate material. A groove is formed in the edge region. The groove laterally encloses the central region. The groove runs vertically and/or tilted to the detachment layer.
    Type: Application
    Filed: August 6, 2020
    Publication date: February 25, 2021
    Inventors: Ralf Rieske, Alexander Binter, Wolfgang Diewald, Bernhard Goller, Heimo Graf, Gerald Lackner, Jan Richter, Roland Rupp, Guenter Schagerl, Marko Swoboda
  • Patent number: 10930560
    Abstract: A method for creating a detachment area in a solid, in particular for detaching the solid along the separating region. Said solid portion that is to be detached is thinner than the solid body from which the solid portion has been removed. Said method preferably comprises at least the following steps: the crystal lattice of the solid is modified by means of a modifying agent, in particular by means of at least one laser, in particular a pico- or femtosecond laser. The modifications, in particular the laser beams penetrate into the solid via a surface of the solid portion which is to be detached, several modifications are created in the crystal lattice, said crystal lattice penetrates, following said modifications, in the areas surrounding the modifications, at least in one particular part.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: February 23, 2021
    Assignee: Siltectra GmbH
    Inventors: Christian Beyer, Jan Richter
  • Publication number: 20210039279
    Abstract: A method for treating a solid layer includes: providing a multi-layer assembly having a carrier substrate and a solid layer bonded to the carrier substrate by a bonding layer, the solid layer having an exposed surface including a defined surface structure, the defined surface structure resulting from a removal, which is effected by a crack, from a donor substrate, at least in sections; processing the solid layer, which is arranged on the carrier substrate; and separating the solid layer from the carrier substrate by a destruction of the bonding layer.
    Type: Application
    Filed: October 12, 2020
    Publication date: February 11, 2021
    Inventors: Franz Schilling, Wolfram Drescher, Jan Richter
  • Publication number: 20200398381
    Abstract: The invention relates to a method for producing modifications (9) in the interior of a solid body (1). The method comprises the introduction of laser radiation (14) of a laser (29) into the interior of the solid body (1) via a first surface (8) of the solid body (1). The solid body (1) forms a crystal structure. Modifications (9) are produced at predefined points in a production plane (4) in the interior of the solid body (1) by the laser radiation (14). The modifications (9) are closer to the first surface (8) than to a second surface, the second surface being parallel to the first surface (8). A plurality of linear forms (103) can be produced by the modifications (9). The solid body (1) cracks subcritically in the region of each modification (9). The subcritical cracks have an average crack length of less than 150 ?m orthogonally to the direction of longitudinal extent of the linear form in question.
    Type: Application
    Filed: February 19, 2019
    Publication date: December 24, 2020
    Inventors: Jan Richter, Ralf Rieske, Marko Swoboda, Albrecht Ullrich
  • Publication number: 20200388538
    Abstract: The present invention therefore relates to a method for separating at least one solid body layer (2) from a donor substrate (1).
    Type: Application
    Filed: January 15, 2018
    Publication date: December 10, 2020
    Inventors: Marko Swoboda, Ralf Rieske, Christian Beyer, Jan Richter
  • Patent number: 10858495
    Abstract: A polymer hybrid material, a film comprising the polymer hybrid material, the use of the polymer hybrid material, a splitting method using the polymer hybrid material, and a method for producing the polymer hybrid material are provided for increasing the total yield, i.e. the efficiency with respect to the raw materials used and other resources such as energy and workforce, of a splitting method. The polymer hybrid material for use in a splitting method has at least two solid-body sections produced from a solid-body starting material. The polymer hybrid material comprises a polymer matrix and a first filler and a second filler embedded into the polymer matrix.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: December 8, 2020
    Assignee: Siltectra GmbH
    Inventors: Christian Beyer, Jan Richter, Marko Swoboda
  • Patent number: 10843380
    Abstract: The invention relates to a method for producing a multi-layer assembly.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: November 24, 2020
    Assignee: Siltectra GmbH
    Inventors: Franz Schilling, Wolfram Drescher, Jan Richter
  • Publication number: 20200254650
    Abstract: The invention relates to a production facility (40) for detaching wafers (2) from donor substrates (4).
    Type: Application
    Filed: August 7, 2018
    Publication date: August 13, 2020
    Inventors: Marko Swoboda, Christian Beyer, Ralf Rieske, Albrecht Ullrich, Jan Richter
  • Publication number: 20200215648
    Abstract: The present invention relates to a method, according to claim 1, for separating at least one solid body layer (1), particularly a solid body disk, from a donor substrate (2).
    Type: Application
    Filed: August 10, 2018
    Publication date: July 9, 2020
    Inventors: Marko Swoboda, Ralf Rieske, Christian Beyer, Jan Richter
  • Patent number: 10707068
    Abstract: The present invention relates to a method for producing solid body layers. The claimed method comprises at least the following steps: providing a solid body (2) for separating at least one solid body layer (4), arranging a receiving layer (10) on the solid body for holding the solid body layer (4), said receiving layer being made of at least one polymer and an additional material, said receiving layer, in terms of volume, be made mainly of polymer, the additional material having a greater conductivity than the polymer, and the receiving layer (10) is subjected to thermal stress, in particular, mechanical stress, for generating voltages in the solid body (2), wherein a crack in the solid body (2) along a separation plane (8) expands due to the voltages, the solid layer (4) being separated from the solid body (2) due to the crack.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: July 7, 2020
    Assignee: Siltectra GmbH
    Inventors: Jan Richter, Christian Beyer, Anas Ajaj
  • Publication number: 20200185267
    Abstract: A method for producing a layer of solid material includes: providing a solid body having opposing first and second surfaces, the second surface being part of the layer of solid material; generating defects by means of multiphoton excitation caused by at least one laser beam penetrating into the solid body via the second surface and acting in an inner structure of the solid body to generate a detachment plane, the detachment plane including regions with different concentrations of defects; providing a polymer layer on the solid body; and subjecting the polymer layer to temperature conditions to generate mechanical stress in the solid body, including cooling of the polymer layer to a temperature below ambient temperature, the cooling taking place such that due to stresses a crack propagates in the solid body along the detachment plane and the layer of solid material separates from the solid body along the crack.
    Type: Application
    Filed: February 18, 2020
    Publication date: June 11, 2020
    Inventors: Wolfram Drescher, Jan Richter, Christian Beyer
  • Patent number: 10676386
    Abstract: The present invention relates to a method for separating solid-body slices (1) from a donor substrate (2). The method comprises the steps of: producing modifications (10) within the donor substrate (2) by means of laser beams (12), wherein a detachment region is predefined by the modifications (10), along which detachment region the solid-body layer (1) is separated from the donor substrate (2), and removing material from the donor substrate (2), starting from a surface (4) extending in the peripheral direction of the donor substrate (2), in the direction of the centre (Z) of the donor substrate (2), in particular in order to produce a peripheral indentation (6).
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: June 9, 2020
    Assignee: Siltectra GmbH
    Inventors: Marko Swoboda, Christian Beyer, Franz Schilling, Jan Richter
  • Patent number: 10664996
    Abstract: In a method for the start-up operation of a multi-axis system, with the multi-axis system including, as components, segments connected via respective joints and are movable in one or more axes, and a tool, connected to one of the segments and is movable to a specified position, optical markers are arranged in the environment. Position coordinates of the optical markers in a first, global coordinate system are ascertained and stored in the controller. The environment is captured as image data by a camera system. The image data are transmitted to an AR system and visualized in an output apparatus. The optical markers and virtual markers are represented during the visualization of the image data, wherein a respective virtual marker is assigned to an optical marker. A check is performed as to whether an optical marker and the virtual marker overlay one another in the visualized image data.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: May 26, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Mehdi Hamadou, Jan Richter, Maximilian Walter
  • Patent number: 10593590
    Abstract: A method for the production of layers of solid material is contemplated. The method may include the steps of providing a solid body for the separation of at least one layer of solid material, generating defects by means of at least one radiation source, in particular a laser, in the inner structure of the solid body in order to determine a detachment plane along which the layer of solid material is separated from the solid body, and applying heat to a polymer layer disposed on the solid body in order to generate, in particular mechanically, stresses in the solid body, due to the stresses a crack propagating in the solid body along the detachment plane, which crack separates the layer of solid material from the solid body.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: March 17, 2020
    Assignee: Siltectra GmbH
    Inventors: Wolfram Drescher, Jan Richter, Christian Beyer
  • Publication number: 20200066542
    Abstract: The present invention relates to a method for separating at least one solid-body layer (4) from at least one solid body (1). Thereby, the method as claimed in the invention comprises the steps: creating a plurality of modifications (9) by means of laser beams within the interior space of the solid body (1) to form a detachment plane (8), producing a composite structure by arranging or producing layers and/or components (150) on or above an initially exposed surface (5) of the solid body (1), wherein the exposed surface (5) is an integral part of the solid-body layer (4) to be separated, introducing an external force into the solid body (1) for generating tensions within the solid body (1), wherein the external force is so strong that the tensions initialize a crack propagation along the detachment plane (8), wherein the modifications for forming the detachment plane (8) are created before producing the composite structure.
    Type: Application
    Filed: December 12, 2017
    Publication date: February 27, 2020
    Inventors: Wolfram Drescher, Marko Swoboda, Ralf Rieske, Christian Beyer, Jan Richter
  • Publication number: 20200051831
    Abstract: A method includes: providing a semiconductor body having a generation plane and crystal lattice planes which intersect the generation plane at intersecting lines; generating modifications in the semiconductor body by multiphoton excitation and which are spaced apart from one another, the modifications altering a physical property of the semiconductor body so as to form subcritical cracks in the generation plane; and separating a solid-state layer from the semiconductor body by connecting the subcritical cracks in the generation plane.
    Type: Application
    Filed: August 6, 2019
    Publication date: February 13, 2020
    Inventors: Christian Beyer, Jan Richter, Ralf Rieske, Marko Swoboda, Albrecht Ullrich
  • Publication number: 20200006119
    Abstract: Providing a solid body to be split into a number of layers of solid material, introducing or generating defects in the solid body in order to determine a first detachment plane (8) along which a first layer of solid material is separated from the solid body, providing a receiving layer for holding the layer of solid material on the solid body, applying heat to the receiving layer in order to generate, in particular mechanically, stresses in the solid body, due to the stresses a crack propagating in the solid body along the detachment plane, which crack separates the first layer of solid material from the solid body, then providing a second receiving layer for holding another layer of solid material on the solid body reduced by the first layer of solid material, introducing or generating defects in the solid body in order to determine a second detachment plane (9) along which a second layer of solid material is separated from the solid body, applying heat to the second receiving layer in order to generate, in
    Type: Application
    Filed: September 6, 2019
    Publication date: January 2, 2020
    Inventors: Wolfram Drescher, Jan Richter
  • Publication number: 20190366586
    Abstract: The present invention relates to a method for creating modifications in a solid state, wherein a crack guidance region for guiding a crack for separating a solid-state portion, in particular a solid-state layer, from the solid state body, is predetermined by the modifications. The method according to the invention preferably comprises the steps: Moving the solid state (1) relative to a laser processing system, then generating a plurality of laser beams by means of the laser processing system for creating at least one modification, wherein the laser processing system is adjusted for defined focusing of the laser beams continuously as a function of a plurality of parameters, in particular at least two parameters.
    Type: Application
    Filed: December 12, 2016
    Publication date: December 5, 2019
    Inventors: Ralf Rieske, Christian Beyer, Christoph Gunther, Jan Richter, Marko Swoboda
  • Patent number: 10482589
    Abstract: A method for the start-up operation of a multi-axis system, the multi-axis system having segments which are movable by a controller in one or more axes, and a tool which is connected to one of the segments and is movable and drivable to a specified position by the controller. The method includes assigning a workspace and a safe space to the multi-axis system, arranging optical markers in an environment, making it possible for an augmented reality system to determine the position of a camera system which records the multi-axis system within the environment, defining a bounding body for each of the components such that the bounding body encloses the component, calculating a position of the bounding body during the movement of the multi-axis system, visualizing the bounding bodies together with an image recorded by the camera system, and checking whether the bounding body intersects with the safe space.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: November 19, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Mehdi Hamadou, Jan Richter, Maximilian Walter