Patents by Inventor Stefan Hartauer

Stefan Hartauer 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: 10290997
    Abstract: A method of producing an electronic component includes providing a surface comprising a first region and a second region adjoining the first region, arranging a sacrificial layer above the first region of the surface, arranging a passivation layer above the sacrificial layer and the second region of the surface, creating an opening in the passivation layer above the first region of the surface, wherein the opening in the passivation layer is created with an opening area that is smaller than the first region, and removing the sacrificial layer and the portions of the passivation layer that are arranged above the first region.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: May 14, 2019
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Jens Mueller, Christoph Stephan, Robert Walter, Stefan Hartauer, Christian Rumbolz
  • Publication number: 20180048122
    Abstract: A method of producing an electronic component includes providing a surface comprising a first region and a second region adjoining the first region, arranging a sacrificial layer above the first region of the surface, arranging a passivation layer above the sacrificial layer and the second region of the surface, creating an opening in the passivation layer above the first region of the surface, wherein the opening in the passivation layer is created with an opening area that is smaller than the first region, and removing the sacrificial layer and the portions of the passivation layer that are arranged above the first region.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 15, 2018
    Inventors: Jens Mueller, Christoph Stephan, Robert Walter, Stefan Hartauer, Christian Rumbolz
  • Patent number: 9893232
    Abstract: The invention provides an optoelectronic semiconductor component and a method for producing an optoelectronic semiconductor component (10), comprising the following steps: A) arranging at least one semiconductor chip (2) on a carrier (1), B) applying an electrically insulating photoresist (3) to a top side (1a) of the carrier (1) and to the semiconductor chip (2), C) curing the photoresist (3) with a baking step, D) patterning the photoresist (3) by exposure, F) developing the photoresist (3), wherein the photoresist (3) is removed at least from a radiation penetration surface (2b) of the semiconductor chip (2), G) again curing the photoresist (3) with a baking step, and H) applying an electrically conductive contact layer (4) to the photoresist (3), wherein the electrically conductive contact layer (4) is in places at a distance (A) from a marginal surface (3a) of the photoresist (3) which faces towards the semiconductor chip (2), wherein the marginal surface (3a) facing towards the semiconductor chip (2) is
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: February 13, 2018
    Assignees: OSRAM Opto Semiconductors GmbH, OSRAM GmbH
    Inventors: Bernd Boehm, Daniel Zaspel, Stefan Hartauer, Bjoern Hoxhold
  • Patent number: 9831390
    Abstract: A method can be used for fixing a matrix-free electrophoretically deposited layer on a semiconductor chip. A semiconductor wafer has a carrier substrate and at least one semiconductor chip. The at least one semiconductor chip has an active zone for generating electromagnetic radiation. At least one contact area is formed on a surface of the at least one semiconductor chip facing away from the carrier substrate. A material is electrophoretically deposited on the surface of the at least one semiconductor chip facing away from the carrier substrate in order to form the electrophoretically deposited layer. Deposition of the material on the at least one contact area is prevented. An inorganic matrix material is applied to at least one section of a surface of the semiconductor wafer facing away from the carrier substrate in order to fix the material on the at least one semiconductor chip.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: November 28, 2017
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Ion Stoll, Sebastian Taeger, Hans-Christoph Gallmeier, Gudrun Lindberg, Stefan Hartauer
  • Publication number: 20170288091
    Abstract: The invention provides an optoelectronic semiconductor component and a method for producing an optoelectronic semiconductor component (10), comprising the following steps: •A) arranging at least one semiconductor chip (2) on a carrier (1), •B) applying an electrically insulating photoresist (3) to a top side (1a) of the carrier (1) and to the semiconductor chip (2), •C) curing the photoresist (3) with a baking step, •D) patterning the photoresist (3) by exposure, •F) developing the photoresist (3), wherein the photoresist (3) is removed at least from a radiation penetration surface (2b) of the semiconductor chip (2), •G) again curing the photoresist (3) with a baking step, and •H) applying an electrically conductive contact layer (4) to the photoresist (3), wherein the electrically conductive contact layer (4) is in places at a distance (A) from a marginal surface (3a) of the photoresist (3) which faces towards the semiconductor chip (2), wherein the marginal surface (3a) facing towards the semiconductor chip
    Type: Application
    Filed: September 24, 2015
    Publication date: October 5, 2017
    Inventors: Bernd BOEHM, Daniel ZASPEL, Stefan HARTAUER, Bjoern HOXHOLD
  • Publication number: 20150255683
    Abstract: A method can be used for fixing a matrix-free electrophoretically deposited layer on a semiconductor chip. A semiconductor wafer has a carrier substrate-and at least one semiconductor chip. The at least one semiconductor chip has an active zone for generating electromagnetic radiation. At least one contact area is formed on a surface of the at least one semiconductor chip facing away from the carrier substrate. A material is electrophoretically deposited on the surface of the at least one semiconductor chip facing away from the carrier substrate in order to form the electrophoretically deposited layer. Deposition of the material on the at least one contact area is prevented. An inorganic matrix material is applied to at least one section of a surface of the semiconductor wafer facing away from the carrier substrate in order to fix the material on the at least one semiconductor chip.
    Type: Application
    Filed: September 16, 2013
    Publication date: September 10, 2015
    Applicant: Osram Opto Semiconductors GmbH
    Inventors: Ion Stoll, Sebastian Taeger, Hans-Christoph Gallmeier, Gudrun Lindberg, Stefan Hartauer
  • Patent number: 8995490
    Abstract: An edge-emitting semiconductor laser diode includes an epitactic semiconductor layer stack and a planarization layer. The semiconductor layer stack includes a main body and a ridge waveguide. The main body includes an active layer for generating electromagnetic radiation. The planarization layer embeds the ridge waveguide such that a surface of the ridge waveguide and a surface of the planarization layer form a flat main surface. A method for producing such a semiconductor laser diode is also disclosed.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: March 31, 2015
    Assignee: OSRAM Opto Semiconductors GmbH
    Inventors: Alfred Lell, Christoph Nelz, Christian Rumbolz, Stefan Hartauer
  • Publication number: 20130230068
    Abstract: An edge-emitting semiconductor laser diode includes an epitactic semiconductor layer stack and a planarization layer. The semiconductor layer stack includes a main body and a ridge waveguide. The main body includes an active layer for generating electromagnetic radiation. The planarization layer embeds the ridge waveguide such that a surface of the ridge waveguide and a surface of the planarization layer form a flat main surface. A method for producing such a semiconductor laser diode is also disclosed.
    Type: Application
    Filed: September 7, 2011
    Publication date: September 5, 2013
    Applicant: OSRAM Opto Semiconductors GmbH
    Inventors: Alfred Lell, Christoph Nelz, Christian Rumbolz, Stefan Hartauer