Patents by Inventor Ulrike Fastner

Ulrike Fastner 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: 20230082571
    Abstract: A power semiconductor device includes a semiconductor body and a first terminal at the semiconductor body. The first terminal has a first side for adjoining an encapsulation and a second side for adjoining the semiconductor body. The first terminal includes, at the first side, a top layer; and, at the second side, a base layer coupled with the top layer, wherein a sidewall of the top layer and/or a sidewall of the base layer is arranged in an angle smaller than 85° with respect to a plane.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 16, 2023
    Inventors: Jochen HILSENBECK, Thomas SOELLRADL, Roman ROTH, Annette SAENGER, Ulrike FASTNER, Johanna SCHLAMINGER, Joachim HIRSCHLER, Andreas BEHRENDT
  • Patent number: 10748787
    Abstract: A semiconductor device includes an insulating carrier structure comprised of an insulating inorganic material. The carrier structure has a receptacle in which a semiconductor chip is disposed. The semiconductor chip has a first side, a second side and a lateral rim. The carrier structure laterally surrounds the semiconductor chip and the lateral rim. The semiconductor device also includes a metal structure on and in contact with the second side of the semiconductor chip and embedded in the carrier structure.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: August 18, 2020
    Assignee: Infineon Technologies AG
    Inventors: Carsten von Koblinski, Ulrike Fastner, Andre Brockmeier, Peter Zorn
  • Patent number: 10262959
    Abstract: In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a contact layer over a first major surface of a substrate. The substrate includes device regions separated by kerf regions. The contact layer is disposed in the kerf region and the device regions. A structured solder layer is formed over the device regions. The contact layer is exposed at the kerf region after forming the structured solder layer. The contact layer and the substrate in the kerf regions are diced.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: April 16, 2019
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Evelyn Napetschnig, Ulrike Fastner, Alexander Heinrich, Thomas Fischer
  • Publication number: 20180061671
    Abstract: A semiconductor device includes an insulating carrier structure comprised of an insulating inorganic material. The carrier structure has a receptacle in which a semiconductor chip is disposed. The semiconductor chip has a first side, a second side and a lateral rim. The carrier structure laterally surrounds the semiconductor chip and the lateral rim. The semiconductor device also includes a metal structure on and in contact with the second side of the semiconductor chip and embedded in the carrier structure.
    Type: Application
    Filed: October 26, 2017
    Publication date: March 1, 2018
    Inventors: Carsten von Koblinski, Ulrike Fastner, Andre Brockmeier, Peter Zorn
  • Patent number: 9847235
    Abstract: A carrier substrate having a plurality of receptacles each for receiving and carrying a semiconductor chip is provided. Semiconductor chips are arranged in the receptacles, and metal is plated in the receptacles to form a metal structure on and in contact with the semiconductor chips. The carrier substrate is cut to form separate semiconductor devices.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: December 19, 2017
    Assignee: Infineon Technologies AG
    Inventors: Carsten von Koblinski, Ulrike Fastner, Andre Brockmeier, Peter Zorn
  • Publication number: 20170170282
    Abstract: In an embodiment, a method includes forming an adhesion promotion layer on at least portions of a conductive surface arranged on a Group III nitride-based semiconductor layer, applying a resist layer to the adhesion promotion layer such that regions of the conductive surface are uncovered by the adhesion promotion layer and the resist layer, applying by electroplating a conductive layer to the regions of the conductive surface uncovered by the adhesion promotion layer and the resist layer, and removing the resist layer and removing the adhesion promotion layer.
    Type: Application
    Filed: December 15, 2015
    Publication date: June 15, 2017
    Inventors: Arno Zechmann, Annette Saenger, Ulrike Fastner, Beate Weissnicht, Stefan Krivec
  • Patent number: 9660037
    Abstract: In an embodiment, a method includes forming an adhesion promotion layer on at least portions of a conductive surface arranged on a Group III nitride-based semiconductor layer, applying a resist layer to the adhesion promotion layer such that regions of the conductive surface are uncovered by the adhesion promotion layer and the resist layer, applying by electroplating a conductive layer to the regions of the conductive surface uncovered by the adhesion promotion layer and the resist layer, and removing the resist layer and removing the adhesion promotion layer.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: May 23, 2017
    Assignee: Infineon Technologies Austria AG
    Inventors: Arno Zechmann, Annette Sanger, Ulrike Fastner, Beate Weissnicht, Stefan Krivec
  • Publication number: 20170033066
    Abstract: In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a contact layer over a first major surface of a substrate. The substrate includes device regions separated by kerf regions. The contact layer is disposed in the kerf region and the device regions. A structured solder layer is formed over the device regions. The contact layer is exposed at the kerf region after forming the structured solder layer. The contact layer and the substrate in the kerf regions are diced.
    Type: Application
    Filed: October 17, 2016
    Publication date: February 2, 2017
    Inventors: Evelyn Napetschnig, Ulrike Fastner, Alexander Heinrich, Thomas Fischer
  • Patent number: 9484316
    Abstract: In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a contact layer over a first major surface of a substrate. The substrate includes device regions separated by kerf regions. The contact layer is disposed in the kerf region and the device regions. A structured solder layer is formed over the device regions. The contact layer is exposed at the kerf region after forming the structured solder layer. The contact layer and the substrate in the kerf regions are diced.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: November 1, 2016
    Assignee: Infineon Technologies AG
    Inventors: Evelyn Napetschnig, Ulrike Fastner, Alexander Heinrich, Thomas Fischer
  • Publication number: 20160126197
    Abstract: A semiconductor device includes a semiconductor chip having a first main surface and a second main surface. A chip electrode is disposed on the first main surface. The chip electrode includes a first metal layer and wherein the first metal layer is arranged between the semiconductor chip and the second metal layer.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 5, 2016
    Applicant: Infineon Technologies AG
    Inventors: Kurt Matoy, Dirk Ahlers, Ulrike Fastner, Petra Fischer, Karl-Heinz Gasser, Stephan Henneck, Stefan Krivec, Florian Weilnboeck
  • Publication number: 20150243591
    Abstract: A carrier substrate having a plurality of receptacles each for receiving and carrying a semiconductor chip is provided. Semiconductor chips are arranged in the receptacles, and metal is plated in the receptacles to form a metal structure on and in contact with the semiconductor chips. The carrier substrate is cut to form separate semiconductor devices.
    Type: Application
    Filed: February 26, 2014
    Publication date: August 27, 2015
    Inventors: Carsten von Koblinski, Ulrike Fastner, Andre Brockmeier, Peter Zorn
  • Patent number: 9117801
    Abstract: A method for manufacturing semiconductor devices includes providing a stack having a semiconductor wafer and a glass substrate with openings and at least one trench attached to the semiconductor wafer. The semiconductor wafer includes a plurality of semiconductor devices. The openings of the glass substrate leave respective areas of the semiconductor devices uncovered by the glass substrate and the trench connects the openings. A metal layer is formed at least on exposed walls of the trench and the openings and on the uncovered areas of the semiconductor devices of the semiconductor wafer. A metal region is formed by electroplating metal in the openings and the trench and by subsequently grinding the glass substrate to remove the trenches. The stack of the semiconductor wafer and the attached glass substrate is cut to separate the semiconductor devices.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: August 25, 2015
    Assignee: Infineon Technologies AG
    Inventors: Carsten von Koblinski, Ulrike Fastner, Peter Zorn, Markus Ottowitz
  • Publication number: 20150123264
    Abstract: In accordance with an embodiment of the present invention, a method of forming a semiconductor device includes forming a contact layer over a first major surface of a substrate. The substrate includes device regions separated by kerf regions. The contact layer is disposed in the kerf region and the device regions. A structured solder layer is formed over the device regions. The contact layer is exposed at the kerf region after forming the structured solder layer. The contact layer and the substrate in the kerf regions are diced.
    Type: Application
    Filed: November 1, 2013
    Publication date: May 7, 2015
    Inventors: Evelyn Napetschnig, Ulrike Fastner, Alexander Heinrich, Thomas Fischer
  • Publication number: 20140339694
    Abstract: A method for manufacturing semiconductor devices includes providing a stack having a semiconductor wafer and a glass substrate with openings and at least one trench attached to the semiconductor wafer. The semiconductor wafer includes a plurality of semiconductor devices. The openings of the glass substrate leave respective areas of the semiconductor devices uncovered by the glass substrate and the trench connects the openings. A metal layer is formed at least on exposed walls of the trench and the openings and on the uncovered areas of the semiconductor devices of the semiconductor wafer. A metal region is formed by electroplating metal in the openings and the trench and by subsequently grinding the glass substrate to remove the trenches. The stack of the semiconductor wafer and the attached glass substrate is cut to separate the semiconductor devices.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 20, 2014
    Inventors: Carsten von Koblinski, Ulrike Fastner, Peter Zorn, Markus Ottowitz