Patents by Inventor Alexander Heinrich

Alexander Heinrich 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: 20180068982
    Abstract: A method of forming a chip assembly may include forming a plurality of cavities in a carrier; The method may further include arranging a die attach liquid in each of the cavities; arranging a plurality of chips on the die attach liquid, each chip comprising a rear side metallization and a rear side interconnect material disposed over the rear side metallization, wherein the rear side interconnect material faces the carrier; evaporating the die attach liquid; and after the evaporating the die attach liquid, fixing the plurality of chips to the carrier.
    Type: Application
    Filed: November 1, 2017
    Publication date: March 8, 2018
    Inventor: Alexander Heinrich
  • Patent number: 9837381
    Abstract: A method of forming a chip assembly may include forming a plurality of cavities in a carrier; The method may further include arranging a die attach liquid in each of the cavities; arranging a plurality of chips on the die attach liquid, each chip comprising a rear side metallization and a rear side interconnect material disposed over the rear side metallization, wherein the rear side interconnect material faces the carrier; evaporating the die attach liquid; and after the evaporating the die attach liquid, fixing the plurality of chips to the carrier.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: December 5, 2017
    Assignee: INFINEON TECHNOLOGIES AG
    Inventor: Alexander Heinrich
  • Publication number: 20170323865
    Abstract: A chip arrangement including a chip comprising a chip back side; a back side metallization on the chip back side, the back side metallization including a plurality of layers; a substrate comprising a surface with a metal layer; a zinc-based solder alloy configured to attach the back side metallization to the metal layer, the zinc-based solder alloy having by weight 8% to 20% aluminum, 0.5% to 20% magnesium, 0.5% to 20% gallium, and the balance zinc; wherein the metal layer is configured to provide a good wettability of the zinc-based solder alloy on the surface of the substrate. The plurality of layers may include one or more of a contact layer configured to contact a semiconductor material of the chip back side; a barrier layer; a solder reaction, and an oxidation protection layer configured to prevent oxidation of the solder reaction layer.
    Type: Application
    Filed: July 26, 2017
    Publication date: November 9, 2017
    Inventors: Manfred MENGEL, Alexander HEINRICH, Steffen ORSO, Thomas BEHRENS, Oliver EICHINGER, Lim FONG, Evelyn NAPETSCHNIG, Edmund RIEDL
  • Publication number: 20170317016
    Abstract: A package comprising a chip carrier, an electronic chip on the chip carrier, a clip on the electronic chip, an encapsulant at least partially encapsulating the electronic chip, and an electrically conductive vertical connection structure provided separately from the clip and electrically connecting the chip carrier with the clip.
    Type: Application
    Filed: April 26, 2017
    Publication date: November 2, 2017
    Inventors: Alexander HEINRICH, Bernd GOLLER, Thorsten MEYER, Gerald OFNER
  • 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
  • Patent number: 9756726
    Abstract: An electronic device may comprise a semiconductor element and a wire bond connecting the semiconductor element to a substrate. Using a woven bonding wire may improve the mechanical and electrical properties of the wire bond. Furthermore, there may be a cost benefit. Woven bonding wires may be used in any electronic device, for example in power devices or integrated logic devices.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: September 5, 2017
    Assignee: Infineon Technologies AG
    Inventors: Alexander Heinrich, Peter Scherl, Magdalena Hoier, Hans-Joerg Timme
  • Patent number: 9735126
    Abstract: A solder alloy is providing, the solder alloy including zinc, aluminum, magnesium and gallium, wherein the aluminum constitutes by weight 8% to 20% of the alloy, the magnesium constitutes by weight 0.5% to 20% of the alloy and the gallium constitutes by weight 0.5% to 20% of the alloy, the rest of the alloy including zinc.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: August 15, 2017
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Manfred Mengel, Alexander Heinrich, Steffen Orso, Thomas Behrens, Oliver Eichinger, Lim Fong, Evelyn Napetschnig, Edmund Riedl
  • Patent number: 9689561
    Abstract: A lighting unit for a large electrical household appliance includes a base part configured to receive a luminous element and having positive engagement elements, and a top part configured for attachment to the base part through displacement of the top part longitudinally in a connection plane relative to the base part. The top part has in displacement direction a front region which is provided with two gripping hooks for engagement with the positive engagement elements of the base part, with the gripping hooks engaging below the positive engagement elements.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: June 27, 2017
    Assignee: BSH Hausgeräte GmbH
    Inventors: Alexander Heinrich, Matthias Wiedenmann
  • Patent number: 9683278
    Abstract: A method includes providing a first and a second joining partner each having a first main surface, wherein at least a portion of the first main surfaces of the first and joining partners each comprise a metal layer. The method further includes applying a plurality of solder preforms to the metal layer of the first main surface of at least one of the first and second joining partners, positioning the first and second joining partners so that the solder preforms contact the metal layers of the first main surfaces of the first and second joining partners, and melting the plurality of solder preforms under pressure to form a single continuous thin layer area interconnect comprising a diffusion solder bond which bonds together the metal layers of the of the first main surfaces of the first and second joining partners.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: June 20, 2017
    Assignee: Infineon Technologies AG
    Inventors: Alexander Heinrich, Bernd Rakow
  • Patent number: 9673170
    Abstract: Methods for connecting chips to a chip carrier are disclosed. In some embodiments the method for connecting a plurality of chips to a chip carrier includes placing first chips on a transfer carrier, placing second chips on the transfer carrier, placing the transfer carrier with the first and second chips on the chip carrier and forming connections between the first chips and the chip carrier and the second chips and the chip carrier.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: June 6, 2017
    Assignee: Infineon Technologies AG
    Inventors: Rupert Fischer, Peter Strobel, Joachim Mahler, Konrad Roesl, Alexander Heinrich
  • Patent number: 9576875
    Abstract: A method for manufacturing a chip arrangement is provided, the method including: forming a hole in a carrier including at least one chip, wherein forming a hole in the carrier includes: selectively removing carrier material, thereby forming a cavity in the carrier, forming passivation material over one or more cavity walls exposed by the selective removal of the carrier material; selectively removing a portion of the passivation material and further carrier material exposed by the selective removal of the passivation material, wherein a further portion of the passivation material remains over at least one cavity side wall; the method further including subsequently forming a layer over the further portion of passivation material remaining over the at least one cavity side wall.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: February 21, 2017
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Reinhard Hess, Katharina Umminger, Gabriel Maier, Markus Menath, Gunther Mackh, Hannes Eder, Alexander Heinrich
  • 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
  • Publication number: 20170025375
    Abstract: An electric device with a multi-layer contact is disclosed. In an embodiment, the electronic device includes a carrier, a semiconductor substrate attached to the carrier, and a layer system disposed between the semiconductor substrate and the carrier. The layer system includes an electrical contact layer disposed on the semiconductor substrate. A functional layer is disposed on the electrical contact layer. An adhesion layer is disposed on the functional layer. A solder layer is disposed between the adhesion layer and the carrier.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 26, 2017
    Inventors: Alexander Heinrich, Michael Juerss, Konrad Roesl, Oliver Eichinger, Kok Chai Goh, Tobias Schmidt
  • Publication number: 20160358890
    Abstract: A method includes providing a first and a second joining partner each having a first main surface, wherein at least a portion of the first main surfaces of the first and joining partners each comprise a metal layer. The method further includes applying a plurality of solder preforms to the metal layer of the first main surface of at least one of the first and second joining partners, positioning the first and second joining partners so that the solder preforms contact the metal layers of the first main surfaces of the first and second joining partners, and melting the plurality of solder preforms under pressure to form a single continuous thin layer area interconnect comprising a diffusion solder bond which bonds together the metal layers of the of the first main surfaces of the first and second joining partners.
    Type: Application
    Filed: June 8, 2015
    Publication date: December 8, 2016
    Applicant: Infineon Technologies AG
    Inventors: Alexander Heinrich, Bernd Rakow
  • Patent number: 9490193
    Abstract: The electronic device includes a carrier, a semiconductor substrate attached to the carrier, and a layer system disposed between the semiconductor substrate and the carrier. The layer system includes an electrical contact layer disposed on the semiconductor substrate. A functional layer is disposed on the electrical contact layer. An adhesion layer is disposed on the functional layer. A solder layer is disposed between the adhesion layer and the carrier.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: November 8, 2016
    Assignee: Infineon Technologies AG
    Inventors: Alexander Heinrich, Michael Juerss, Konrad Roesl, Oliver Eichinger, Kok Chai Goh, Tobias Schmidt
  • 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: 20160126165
    Abstract: A method of connecting a substrate is provided, wherein the substrate may include a first main surface and a second main surface opposite the first main surface. The method may include forming at least one protrusion on the first main surface of the substrate, forming a fixing agent over the first main surface of the substrate and over the at least one protrusion; and arranging the substrate on a carrier. The at least one protrusion may contact a surface of the carrier and may be configured to keep the first main surface of the substrate at a distance to the contacted surface of the carrier corresponding to a height of the protrusion, thereby forming a space between the first main surface of the substrate and the carrier. During the arranging the substrate on the carrier, at least a part of the fixing agent formed over the at least one protrusion may be displaced into the space between the first main surface of the substrate and the carrier.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 5, 2016
    Inventors: Paul FRANK, Alexander HEINRICH, Michael JUERSS, Chiong Yong TAY
  • Publication number: 20160126216
    Abstract: Various embodiments provide a method of forming an interconnection between an electric component and an electronic component, wherein the method comprises forming a first interconnection sublayer on an electric component, wherein the first interconnection sublayer comprises a metal and has a main surface opposite to the electric component, wherein the main surface has a first surface roughness; forming a second interconnection sublayer on an electronic component, wherein the second interconnection sublayer comprises the metal and has a surface opposite to the electronic component, wherein the surface has a second surface roughness, wherein the first surface roughness and the second surface roughness are in the same order of magnitude; and interconnecting the first interconnection sublayer and the second interconnection sublayer by contacting the same and applying pressure and heat to the contacted first and second interconnection sublayers.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 5, 2016
    Inventors: Alexander HEINRICH, Hermann GRUBER
  • Publication number: 20160111395
    Abstract: A method of forming a chip assembly may include forming a plurality of cavities in a carrier; The method may further include arranging a die attach liquid in each of the cavities; arranging a plurality of chips on the die attach liquid, each chip comprising a rear side metallization and a rear side interconnect material disposed over the rear side metallization, wherein the rear side interconnect material faces the carrier; evaporating the die attach liquid; and after the evaporating the die attach liquid, fixing the plurality of chips to the carrier.
    Type: Application
    Filed: September 30, 2015
    Publication date: April 21, 2016
    Inventor: Alexander Heinrich
  • Publication number: 20160043054
    Abstract: Methods for connecting chips to a chip carrier are disclosed. In some embodiments the method for connecting a plurality of chips to a chip carrier includes placing first chips on a transfer carrier, placing second chips on the transfer carrier, placing the transfer carrier with the first and second chips on the chip carrier and forming connections between the first chips and the chip carrier and the second chips and the chip carrier.
    Type: Application
    Filed: August 5, 2014
    Publication date: February 11, 2016
    Inventors: Rupert Fischer, Peter Strobel, Joachim Mahler, Konrad Roesl, Alexander Heinrich