Patents by Inventor Dietrich Bonart

Dietrich Bonart 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: 10276706
    Abstract: A gated diode in a press-fit housing includes a base configured to be press-fit into an opening of a diode carrier plate and including a pedestal portion with a first flat surface, and a head wire including a head portion with a second flat surface and a wire portion. The base and the head wire form parts of the press-fit housing. The gated diode in the press-fit housing further includes a semiconductor die, a first solder layer engaging and electrically connecting the semiconductor die with the first flat surface of the base, and a second solder layer engaging and electrically connecting the semiconductor die with the second flat surface of the head wire.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: April 30, 2019
    Assignee: Infineon Technologies AG
    Inventors: Dirk Ahlers, Markus Zundel, Dietrich Bonart, Ludger Borucki
  • Publication number: 20190113562
    Abstract: A semiconductor wafer includes a semiconductor substrate having a plurality of die areas separated from one another by dicing areas. Each die area includes one or more metal layers above the semiconductor substrate and a plurality of fuse structures formed in at least one of the one or more metal layers. Each fuse structure includes a fuse area between first and second fuse heads. Each die area also includes a first pair of contacts connected to different areas of the first fuse head of at least some of the fuse structures. The wafer can be singulated along the dicing areas into individual dies. A corresponding method of fuse verification is also provided.
    Type: Application
    Filed: October 17, 2017
    Publication date: April 18, 2019
    Inventors: Dietrich Bonart, Thomas Gross, Franziska Haering
  • Publication number: 20190109226
    Abstract: An alternator assembly includes an input terminal configured to input an alternating voltage, an output terminal configured to output a rectified voltage, and a gated diode arranged in a load path between the input terminal and the output terminal.
    Type: Application
    Filed: November 27, 2018
    Publication date: April 11, 2019
    Inventors: Dirk Ahlers, Markus Zundel, Dietrich Bonart, Ludger Borucki
  • Publication number: 20190043818
    Abstract: Various embodiments provide a semiconductor chip, wherein the semiconductor chip comprises a first contact area and a second contact area both formed at a frontside of the semiconductor chip; a passivation layer arranged at the frontside between the first contact area and the second contact area; and a contact stack formed over the frontside of the semiconductor chip and comprising a plurality of layers, wherein at least one layer of the plurality of layers is removed from the passivation layer and boundary regions of the contact areas being adjacent to the passivation layer and wherein at least one another layer of the plurality of different layer is present in the boundary region of the contact areas adjoining the passivation layer.
    Type: Application
    Filed: October 7, 2018
    Publication date: February 7, 2019
    Inventors: Dietrich BONART, Ludger BORUCKI, Martina DEBIE, Bernhard WEIDGANS
  • Patent number: 10134697
    Abstract: Various embodiments provide a semiconductor chip, wherein the semiconductor chip comprises a first contact area and a second contact area both formed at a frontside of the semiconductor chip; a passivation layer arranged at the frontside between the first contact area and the second contact area; and a contact stack formed over the frontside of the semiconductor chip and comprising a plurality of layers, wherein at least one layer of the plurality of layers is removed from the passivation layer and boundary regions of the contact areas being adjacent to the passivation layer and wherein at least one another layer of the plurality of different layer is present in the boundary region of the contact areas adjoining the passivation layer.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: November 20, 2018
    Assignee: Infineon Technologies AG
    Inventors: Dietrich Bonart, Ludger Borucki, Martina Debie, Bernhard Weidgans
  • Publication number: 20180308830
    Abstract: A semiconductor device includes an active region disposed in a semiconductor substrate and an uppermost metal level including metal lines, where the uppermost metal level is disposed over the semiconductor substrate. Contact pads are disposed at a major surface of the semiconductor device, where the contact pads are coupled to the metal lines in the uppermost metal level. An isolation region separates the contact pads disposed at the major surface. Adjacent contact pads are electrically isolated from one another by a portion of the isolation region. Reflective structures are disposed between the upper metal level and the contact pads, where each of the reflective structures that is directly over the active region completely overlaps an associated portion of the isolation region separating the contact pad.
    Type: Application
    Filed: May 8, 2018
    Publication date: October 25, 2018
    Inventors: Dietrich Bonart, Bernhard Weidgans, Johann Gatterbauer, Thomas Gross, Martina Heigl
  • Patent number: 10086370
    Abstract: A microfluidic device includes a semiconductor chip having a main chip surface. The microfluidic device further includes an encapsulation body embedding the semiconductor chip, the encapsulation body having a main body surface. A microfluidic component extends over the main chip surface and over the main encapsulation body surface and traverses an outline of the main chip surface.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: October 2, 2018
    Assignee: Infineon Technologies AG
    Inventors: Stefan Beyer, Dietrich Bonart
  • Publication number: 20180182710
    Abstract: A semiconductor arrangement includes a semiconductor body with a first surface, an inner region and an edge region, the edge region surrounding the inner region, an attachment layer spaced apart from the first surface of the semiconductor body in a first direction, an intermediate layer arranged between the first surface of the semiconductor body and the attachment layer, and at least one first type sealing structure. The sealing structure includes a first barrier, a second barrier, and a third barrier. The first barrier is arranged in the intermediate layer and spaced apart from the attachment layer in the first direction. The second barrier is arranged in the intermediate layer, is spaced apart from the first surface in the first direction, and is spaced apart from the first barrier in a second direction. The third barrier extends from the first barrier to the second barrier in the second direction.
    Type: Application
    Filed: December 22, 2017
    Publication date: June 28, 2018
    Inventor: Dietrich Bonart
  • Patent number: 9966368
    Abstract: A semiconductor device includes an active region disposed in a semiconductor substrate and an uppermost metal level including metal lines, where the uppermost metal level is disposed over the semiconductor substrate. Contact pads are disposed at a major surface of the semiconductor device, where the contact pads are coupled to the metal lines in the uppermost metal level. An isolation region separates the contact pads disposed at the major surface. Adjacent contact pads are electrically isolated from one another by a portion of the isolation region. Reflective structures are disposed between the upper metal level and the contact pads, where each of the reflective structures that is directly over the active region completely overlaps an associated portion of the isolation region separating the contact pad.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: May 8, 2018
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Dietrich Bonart, Bernhard Weidgans, Johann Gatterbauer, Thomas Gross, Martina Heigl
  • Patent number: 9875978
    Abstract: According to various embodiments, a method may include: forming a first layer on a surface using a first lift-off process; forming a second layer over the first layer using a second lift-off process; wherein the second lift-off process is configured such that the second layer covers at least one sidewall of the first layer at least partially.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: January 23, 2018
    Assignee: Infineon Technologies AG
    Inventors: Johann Gatterbauer, Bernhard Weidgans, Dietrich Bonart, Thomas Gross, Martina Debie
  • Patent number: 9799579
    Abstract: A semiconductor assembly includes a first semiconductor substrate having a first main surface and a second main surface and a second semiconductor substrate having a first main surface and a second main surface. The first main surface of the first semiconductor substrate faces the second main surface of the second semiconductor substrate. Further, the semiconductor assembly includes a plurality of first electrodes disposed on the first main surface of the first semiconductor chip and a plurality of second electrodes disposed on the second main surface of the second semiconductor chip, wherein the first electrodes are aligned with and connected by interconnects to the second electrodes. An electrically conducting layer perforated by holes is disposed between and fixed to the first semiconductor substrate and the second semiconductor substrate, wherein the interconnects penetrate the holes. The electrically conducting layer is electrically connected to a function test electrode of the semiconductor assembly.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: October 24, 2017
    Assignee: Infineon Technologies AG
    Inventor: Dietrich Bonart
  • Publication number: 20170271313
    Abstract: A semiconductor device includes an active region disposed in a semiconductor substrate and an uppermost metal level including metal lines, where the uppermost metal level is disposed over the semiconductor substrate. Contact pads are disposed at a major surface of the semiconductor device, where the contact pads are coupled to the metal lines in the uppermost metal level. An isolation region separates the contact pads disposed at the major surface. Adjacent contact pads are electrically isolated from one another by a portion of the isolation region. Reflective structures are disposed between the upper metal level and the contact pads, where each of the reflective structures that is directly over the active region completely overlaps an associated portion of the isolation region separating the contact pad.
    Type: Application
    Filed: June 6, 2017
    Publication date: September 21, 2017
    Inventors: Dietrich Bonart, Bernhard Weidgans, Johann Gatterbauer, Thomas Gross, Martina Heigl
  • Patent number: 9704839
    Abstract: A semiconductor device includes an active region disposed in a semiconductor substrate and an uppermost metal level including metal lines, where the uppermost metal level is disposed over the semiconductor substrate. Contact pads are disposed at a major surface of the semiconductor device, where the contact pads are coupled to the metal lines in the uppermost metal level. An isolation region separates the contact pads disposed at the major surface. Adjacent contact pads are electrically isolated from one another by a portion of the isolation region. Reflective structures are disposed between the upper metal level and the contact pads, where each of the reflective structures that is directly over the active region completely overlaps an associated portion of the isolation region separating the contact pad.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: July 11, 2017
    Assignee: Infineon Technologies AG
    Inventors: Dietrich Bonart, Bernhard Weidgans, Johann Gatterbauer, Thomas Gross, Martina Heigl
  • Patent number: 9698107
    Abstract: Various embodiments provide a semiconductor device, wherein the semiconductor device comprises a semiconductor device chip formed at a substrate, wherein the semiconductor device chip comprises an active region formed in a center of the substrate and a boundary region free of active components of the semiconductor device chip; and a detection wiring arranged in the boundary region of the substrate and at least partially surrounding the active region, wherein the detection wiring and the semiconductor device chip are electrically isolated from each other; and wherein the detection wiring and the substrate are electrically connected with each other via a connection having a high electrical resistance.
    Type: Grant
    Filed: November 28, 2015
    Date of Patent: July 4, 2017
    Assignee: Infineon Technologies AG
    Inventors: Dietrich Bonart, Alfred Goerlach
  • Publication number: 20170162460
    Abstract: A semiconductor assembly includes a first semiconductor substrate having a first main surface and a second main surface and a second semiconductor substrate having a first main surface and a second main surface. The first main surface of the first semiconductor substrate faces the second main surface of the second semiconductor substrate. Further, the semiconductor assembly includes a plurality of first electrodes disposed on the first main surface of the first semiconductor chip and a plurality of second electrodes disposed on the second main surface of the second semiconductor chip, wherein the first electrodes are aligned with and connected by interconnects to the second electrodes. An electrically conducting layer perforated by holes is disposed between and fixed to the first semiconductor substrate and the second semiconductor substrate, wherein the interconnects penetrate the holes. The electrically conducting layer is electrically connected to a function test electrode of the semiconductor assembly.
    Type: Application
    Filed: December 2, 2016
    Publication date: June 8, 2017
    Inventor: Dietrich BONART
  • Patent number: 9660550
    Abstract: A generator device for the voltage supply of a motor vehicle is equipped with at least one rectifying element for rectifying an alternating voltage provided by a generator. The rectifying element has an n-channel MOS field-effect transistor in which the gate, the body area, and the source area are electrically fixedly connected to one another and in which the drain area is used as a cathode.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: May 23, 2017
    Assignees: Robert Bosch GmbH, Infineon Technologies AG
    Inventors: Richard Spitz, Alfred Goerlach, Carolin Tolksdorf, Dirk Ahlers, Dietrich Bonart
  • Publication number: 20170141090
    Abstract: A semiconductor device includes an active region disposed in a semiconductor substrate and an uppermost metal level including metal lines, where the uppermost metal level is disposed over the semiconductor substrate. Contact pads are disposed at a major surface of the semiconductor device, where the contact pads are coupled to the metal lines in the uppermost metal level. An isolation region separates the contact pads disposed at the major surface. Adjacent contact pads are electrically isolated from one another by a portion of the isolation region. Reflective structures are disposed between the upper metal level and the contact pads, where each of the reflective structures that is directly over the active region completely overlaps an associated portion of the isolation region separating the contact pad.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 18, 2017
    Inventors: Dietrich Bonart, Bernhard Weidgans, Johann Gatterbauer, Thomas Gross, Martina Heigl
  • Publication number: 20170110423
    Abstract: According to various embodiments, a method may include: forming a first layer on a surface using a first lift-off process; forming a second layer over the first layer using a second lift-off process; wherein the second lift-off process is configured such that the second layer covers at least one sidewall of the first layer at least partially.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Inventors: Johann Gatterbauer, Bernhard Weidgans, Dietrich Bonart, Thomas Gross, Martina Debie
  • Patent number: 9502248
    Abstract: According to various embodiments, a method may include: forming a first layer on a surface using a first lift-off process; forming a second layer over the first layer using a second lift-off process; wherein the second lift-off process is configured such that the second layer covers at least one sidewall of the first layer at least partially.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: November 22, 2016
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Johann Gatterbauer, Bernhard Weidgans, Dietrich Bonart, Thomas Gross, Martina Debie
  • Publication number: 20160233330
    Abstract: A gated diode in a press-fit housing includes a base configured to be press-fit into an opening of a diode carrier plate and including a pedestal portion with a first flat surface, and a head wire including a head portion with a second flat surface and a wire portion. The base and the head wire form parts of the press-fit housing. The gated diode in the press-fit housing further includes a semiconductor die, a first solder layer engaging and electrically connecting the semiconductor die with the first flat surface of the base, and a second solder layer engaging and electrically connecting the semiconductor die with the second flat surface of the head wire.
    Type: Application
    Filed: April 19, 2016
    Publication date: August 11, 2016
    Inventors: Dirk Ahlers, Markus Zundel, Dietrich Bonart, Ludger Borucki