Patents by Inventor Catharina Wille

Catharina Wille 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: 20250100088
    Abstract: A solder material is provided. In one or more examples, the solder material may include metal solder particles, a carboxylic acid, and an alcohol selected from the group consisting of methanol, ethanol, propan-1-ol, propan-2-ol, 2-methyl-1-propanol, butan-1-ol, pentan-1-ol, 1,2-propanediol, 1,3-propanediol, and glycerol.
    Type: Application
    Filed: July 16, 2024
    Publication date: March 27, 2025
    Applicant: Infineon Technologies AG
    Inventors: Alexander HEINRICH, Verena MUHR, Konrad RÖSL, Maximilian SIMMANN, Catharina WILLE
  • Publication number: 20240379615
    Abstract: A method of producing a semiconductor device includes providing a semiconductor die, providing a metal joining partner, forming a diffusion solderable region by an inkjet metal printing process, forming an assembly to include the diffusion solderable region in between the metal joining partner and the semiconductor die, and performing a diffusion soldering process that forms a soldered joint from the diffusion solderable region in between the semiconductor die and the metal joining partner.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 14, 2024
    Inventors: Stefan Schwab, Alexander Heinrich, Catharina Wille
  • Publication number: 20240335912
    Abstract: A layer structure includes a first layer including at least one material selected from a first group consisting of nickel, copper, gold, silver, palladium, tin, zinc, platinum, and an alloy of any of these materials; a third layer including at least one material selected from a second group consisting of nickel, copper, gold, palladium, tin, silver, zinc, platinum, and an alloy of any of these materials; and a second layer between the first layer and the third layer. The second layer consists of or essentially consists of nickel and tin. The second layer includes an intermetallic phase of nickel and tin. Methods of forming the layer structure, a chip package and a chip arrangement are also described.
    Type: Application
    Filed: June 21, 2024
    Publication date: October 10, 2024
    Inventors: Alexander Heinrich, Alexander Roth, Catharina Wille
  • Patent number: 12023762
    Abstract: A layer structure includes a first layer including at least one material selected from a first group consisting of nickel, copper, gold, silver, palladium, tin, zinc, platinum, and an alloy of any of these materials; a third layer including at least one material selected from a second group consisting of nickel, copper, gold, palladium, tin, silver, zinc, platinum, and an alloy of any of these materials; and a second layer between the first layer and the third layer. The second layer consists of or essentially consists of nickel and tin. The second layer includes an intermetallic phase of nickel and tin.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: July 2, 2024
    Assignee: Infineon Technologies AG
    Inventors: Alexander Heinrich, Alexander Roth, Catharina Wille
  • Publication number: 20230420334
    Abstract: A power semiconductor module arrangement includes a power semiconductor module. The power semiconductor module includes a substrate and a heat-conducting layer arranged on a lower surface of the power semiconductor module. The lower surface of the power semiconductor module is a surface that is configured to be mounted to a heat sink. The heat-conducting layer includes a metallic foam and an eutectic material filling cavities within the metallic foam.
    Type: Application
    Filed: June 9, 2023
    Publication date: December 28, 2023
    Inventors: Timo Bohnenberger, Alexander Heinrich, Catharina Wille
  • Patent number: 11776927
    Abstract: A semiconductor device and method is disclosed. In one embodiment, the semiconductor device comprises a semiconductor die comprising a first surface and a second surface opposite to the first surface, a first metallization layer disposed on the first surface of the semiconductor die, a first solder layer disposed on the first metallization layer, wherein the first solder layer contains the compound Sn/Sb, and a first contact member comprising a Cu-based base body and a Ni-based layer disposed on a main surface of the Cu-based base body, wherein the first contact member is connected with the Ni-based layer to the first solder layer.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: October 3, 2023
    Assignee: Infineon Technologies AG
    Inventors: Thomas Behrens, Alexander Heinrich, Evelyn Napetschnig, Bernhard Weidgans, Catharina Wille, Christina Yeong
  • Publication number: 20230126663
    Abstract: A layer structure includes a first layer including at least one material selected from a first group consisting of nickel, copper, gold, silver, palladium, tin, zinc, platinum, and an alloy of any of these materials; a third layer including at least one material selected from a second group consisting of nickel, copper, gold, palladium, tin, silver, zinc, platinum, and an alloy of any of these materials; and a second layer between the first layer and the third layer. The second layer consists of or essentially consists of nickel and tin. The second layer includes an intermetallic phase of nickel and tin.
    Type: Application
    Filed: December 23, 2022
    Publication date: April 27, 2023
    Inventors: Alexander Heinrich, Alexander Roth, Catharina Wille
  • Publication number: 20230095749
    Abstract: A solder material is provided. The solder material may include a first amount of particles having particle sizes forming a first size distribution, a second amount of particles having particle sizes forming a second size distribution, the particle sizes of the second size distribution being larger than the particle sizes of the first size distribution, and a solder base material in which the first amount of particles and the second amount of particles is distributed. The first amount of particles and the second amount of particles consist of or essentially consist of a metal of a first group of metals. The first group of metals includes copper, silver, gold, palladium, platinum, iron, cobalt, and aluminum. The solder base material includes a metal of a second group of metals. The second group of metals includes tin, indium, zinc, gallium, germanium, antimony, and bismuth.
    Type: Application
    Filed: September 19, 2022
    Publication date: March 30, 2023
    Inventors: Alexander Heinrich, Alexander Roth, Catharina Wille
  • Patent number: 11552042
    Abstract: A solder material may include nickel and tin. The nickel may include first and second amounts of particles. A sum of the particle amounts is a total amount of nickel or less. The first amount is between 5 at % and 60 at % of the total amount of nickel. The second amount is between 10 at % and 95 at % of the total amount of nickel. The particles of the first amount have a first size distribution, the particles of the second amount have a second size distribution, 30% to 70% of the first amount have a particle size in a range of about 5 ?m around a particle size the highest number of particles have according to the first size distribution, and 30% to 70% of the second amount have a particle size in a range of about 5 ?m around a particle size the highest number of particles have according to the second size distribution.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: January 10, 2023
    Assignee: Infineon Technologies AG
    Inventors: Alexander Heinrich, Alexander Roth, Catharina Wille
  • Publication number: 20220355422
    Abstract: A lead-free solder material is provided. In one example, the solder material may include solder particles including at least 30 wt % nickel, and an activator including or consisting of at least one of a group of activator materials, the group including an organic acid or salt thereof, and an amine or salt thereof.
    Type: Application
    Filed: April 5, 2022
    Publication date: November 10, 2022
    Applicant: Infineon Technologies AG
    Inventors: Alexander ROTH, Catharina WILLE, Alexander HEINRICH
  • Publication number: 20220216173
    Abstract: A semiconductor device and method is disclosed. In one embodiment, the semiconductor device comprises a semiconductor die comprising a first surface and a second surface opposite to the first surface, a first metallization layer disposed on the first surface of the semiconductor die, a first solder layer disposed on the first metallization layer, wherein the first solder layer contains the compound Sn/Sb, and a first contact member comprising a Cu-based base body and a Ni-based layer disposed on a main surface of the Cu-based base body, wherein the first contact member is connected with the Ni-based layer to the first solder layer.
    Type: Application
    Filed: July 15, 2021
    Publication date: July 7, 2022
    Applicant: Infineon Technologies AG
    Inventors: Thomas Behrens, Alexander Heinrich, Evelyn Napetschnig, Bernhard Weidgans, Catharina Wille, Christina Yeong
  • Patent number: 11069644
    Abstract: A semiconductor device and method is disclosed. In one embodiment, the semiconductor device comprises a semiconductor die comprising a first surface and a second surface opposite to the first surface, a first metallization layer disposed on the first surface of the semiconductor die, a first solder layer disposed on the first metallization layer, wherein the first solder layer contains the compound Sn/Sb, and a first contact member comprising a Cu-based base body and a Ni-based layer disposed on a main surface of the Cu-based base body, wherein the first contact member is connected with the Ni-based layer to the first solder layer.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 20, 2021
    Assignee: Infineon Technologies AG
    Inventors: Thomas Behrens, Alexander Heinrich, Evelyn Napetschnig, Bernhard Weidgans, Catharina Wille, Christina Yeong
  • Publication number: 20210183804
    Abstract: A solder material may include nickel and tin. The nickel may include first and second amounts of particles. A sum of the particle amounts is a total amount of nickel or less. The first amount is between 5 at % and 60 at % of the total amount of nickel. The second amount is between 10 at % and 95 at % of the total amount of nickel. The particles of the first amount have a first size distribution, the particles of the second amount have a second size distribution, 30% to 70% of the first amount have a particle size in a range of about 5 ?m around a particle size the highest number of particles have according to the first size distribution, and 30% to 70% of the second amount have a particle size in a range of about 5 ?m around a particle size the highest number of particles have according to the second size distribution.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 17, 2021
    Inventors: Alexander Heinrich, Alexander Roth, Catharina Wille
  • Publication number: 20200227312
    Abstract: A semiconductor device and method is disclosed. In one example, the method includes forming a recess in an electrically insulating encapsulation material, wherein the encapsulation material at least partly encapsulates a semiconductor chip. The method further includes forming an adhesion promoting structure in the recess. The method further includes spraying an electrically conductive material into the recess, wherein the adhesion promoting structure is configured to provide an adhesion between the sprayed electrically conductive material and the encapsulation material.
    Type: Application
    Filed: November 21, 2019
    Publication date: July 16, 2020
    Applicant: Infineon Technologies AG
    Inventors: Irmgard Escher-Poeppel, Thorsten Scharf, Catharina Wille
  • Publication number: 20200105704
    Abstract: A semiconductor device and method is disclosed. In one embodiment, the semiconductor device comprises a semiconductor die comprising a first surface and a second surface opposite to the first surface, a first metallization layer disposed on the first surface of the semiconductor die, a first solder layer disposed on the first metallization layer, wherein the first solder layer contains the compound Sn/Sb, and a first contact member comprising a Cu-based base body and a Ni-based layer disposed on a main surface of the Cu-based base body, wherein the first contact member is connected with the Ni-based layer to the first solder layer.
    Type: Application
    Filed: August 30, 2019
    Publication date: April 2, 2020
    Applicant: Infineon Technologies AG
    Inventors: Thomas Behrens, Alexander Heinrich, Evelyn Napetschnig, Bernhard Weidgans, Catharina Wille, Christina Yeong
  • Patent number: 10014275
    Abstract: One aspect of the invention relates to a method for producing a chip assemblage. Two or more chip assemblies are produced in each case by cohesively and electrically conductively connecting an electrically conductive first compensation lamina to a first main electrode of a semiconductor chip. A control electrode interconnection structure is arranged in a free space between the chip assemblies. Electrically conductive connections are produced between the control electrode interconnection structure and control electrodes of the semiconductor chips of the individual chip assemblies. The chip assemblies are cohesively connected by means of a dielectric embedding compound.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: July 3, 2018
    Assignee: Infineon Technologies AG
    Inventors: Alexander Heinrich, Irmgard Escher-Poeppel, Martin Gruber, Andreas Munding, Catharina Wille
  • Publication number: 20170271298
    Abstract: One aspect of the invention relates to a method for producing a chip assemblage. Two or more chip assemblies are produced in each case by cohesively and electrically conductively connecting an electrically conductive first compensation lamina to a first main electrode of a semiconductor chip. A control electrode interconnection structure is arranged in a free space between the chip assemblies. Electrically conductive connections are produced between the control electrode interconnection structure and control electrodes of the semiconductor chips of the individual chip assemblies. The chip assemblies are cohesively connected by means of a dielectric embedding compound.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 21, 2017
    Applicant: Infineon Technologies AG
    Inventors: Alexander Heinrich, Irmgard Escher-Poeppel, Martin Gruber, Andreas Munding, Catharina Wille