Patents by Inventor Jens Peter Konrath

Jens Peter Konrath 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: 9859383
    Abstract: A semiconductor component includes a semiconductor body of a first conduction type and a metal layer on the semiconductor body, wherein the metal layer forms with the semiconductor body a Schottky contact along a contact surface. A doping concentration of the first conduction type on the contact surface varies along a direction of the contact surface.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 2, 2018
    Assignee: Infineon Technologies AG
    Inventors: Jens Peter Konrath, Roland Rupp, Hans-Joachim Schulze
  • Patent number: 9806041
    Abstract: According to various embodiments, a method for processing an electronic component including at least one electrically conductive contact region may include: forming a contact pad including a self-segregating composition over the at least one electrically conductive contact region to electrically contact the electronic component; forming a segregation suppression structure between the contact pad and the electronic component, wherein the segregation suppression structure includes more nucleation inducing topography features than the at least one electrically conductive contact region for perturbing a chemical segregation of the self-segregating composition by crystallographic interfaces of the contact pad defined by the nucleation inducing topography features.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: October 31, 2017
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Jens Peter Konrath, Jochen Hilsenbeck
  • Publication number: 20170309583
    Abstract: According to various embodiments, a method for processing an electronic component including at least one electrically conductive contact region may include: forming a contact pad including a self-segregating composition over the at least one electrically conductive contact region to electrically contact the electronic component; forming a segregation suppression structure between the contact pad and the electronic component, wherein the segregation suppression structure includes more nucleation inducing topography features than the at least one electrically conductive contact region for perturbing a chemical segregation of the self-segregating composition by crystallographic interfaces of the contact pad defined by the nucleation inducing topography features.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 26, 2017
    Inventors: Jens Peter Konrath, Jochen Hilsenbeck
  • Publication number: 20170301792
    Abstract: A semiconductor device includes a gate trench of at least one transistor structure extending into a semiconductor substrate. The gate trench includes at least one sidewall having a bevel portion located adjacent to a bottom of the gate trench. The at least one sidewall of the gate trench is formed by the semiconductor substrate. An angle between the bevel portion and a lateral surface of the semiconductor substrate is between 110? and 160°. A lateral dimension of the bevel portion is larger than 50 nm. Methods for forming the semiconductor device are also provided.
    Type: Application
    Filed: April 13, 2017
    Publication date: October 19, 2017
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze
  • Publication number: 20170243828
    Abstract: A semiconductor device includes a semiconductor body with a front face and a back face, having an active zone located at the front face, a front surface metallization layer having a front face and a back face directed towards the active zone, the front surface metallization layer being provided on the front face of the semiconductor body and being electrically connected to the active zone, and a first barrier layer, including amorphous molybdenum nitride, located between the active zone and the metallization layer. Further, a method for producing such a device is provided.
    Type: Application
    Filed: February 8, 2017
    Publication date: August 24, 2017
    Inventors: Jochen Hilsenbeck, Jens Peter Konrath, Stefan Krivec
  • Publication number: 20170221987
    Abstract: A method for forming a semiconductor device includes forming an oxide layer on a semiconductor substrate. A first portion of the oxide layer forms a gate oxide of a transistor structure. The method further includes replacing or modifying a second portion of the oxide layer to obtain a contamination barrier layer structure comprising phosphorus. The contamination barrier layer structure is located at a distance of less than 10 ?m from the first portion of the oxide layer.
    Type: Application
    Filed: January 25, 2017
    Publication date: August 3, 2017
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze
  • Patent number: 9711660
    Abstract: A JFET has a semiconductor body with a first surface and second surface substantially parallel to the first surface. A source metallization and gate metallization are arranged on the first surface. A drain metallization is arranged on the second surface. In a sectional plane substantially perpendicular to the first surface, the semiconductor body includes: a first semiconductor region in ohmic contact with the source and drain metallizations, at least two second semiconductor regions in ohmic contact with the gate metallization, spaced apart from one another, and forming respective first pn-junctions with the first semiconductor region, and at least one body region forming a second pn-junction with the first semiconductor region. The at least one body region is in ohmic contact with the source metallization. At least a portion of the at least one body region is, in a projection onto the first surface, arranged between the two second semiconductor regions.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: July 18, 2017
    Assignee: Infineon Technologies AG
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze, Ralf Siemieniec, Cedric Ouvrard
  • Patent number: 9685347
    Abstract: A semiconductor device comprises a semiconductor body with a front face and a back face, having an active zone located at the front face, a front surface metallization layer having a front face and a back face directed towards the active zone, the front surface metallization layer being provided on the front face of the semiconductor body and being electrically connected to the active zone, and a first barrier layer, comprising amorphous metal nitride, located between the active zone and the metallization layer. Further, a method for producing such a device is provided.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: June 20, 2017
    Assignee: Infineon Technologies AG
    Inventors: Jochen Hilsenbeck, Jens Peter Konrath, Stefan Krivec
  • Publication number: 20170170264
    Abstract: A semiconductor device includes a plurality of drift regions of a plurality of field effect transistor structures arranged in a semiconductor substrate. The plurality of drift regions has a first conductivity type. The semiconductor device further includes a plurality of compensation regions arranged in the semiconductor substrate. The plurality of compensation regions has a second conductivity type. Each drift region of the plurality of drift regions is arranged adjacent to at least one compensation region of the plurality of compensation regions. The semiconductor device further includes a Schottky diode structure or metal-insulation-semiconductor gated diode structure arranged at the semiconductor substrate.
    Type: Application
    Filed: December 9, 2016
    Publication date: June 15, 2017
    Inventors: Anton Mauder, Wolfgang Bergner, Jens Peter Konrath, Dethard Peters, Reinhold Schoerner
  • Publication number: 20170162390
    Abstract: Disclosed is a method. The method includes forming a metal layer on a first surface of a semiconductor body; irradiating the metal layer with particles to move metal atoms from the metal layer into the semiconductor body and form a metal atom containing region in the semiconductor body; and annealing the semiconductor body. The annealing includes heating at least the metal atom containing region to a temperature of less than 500° C.
    Type: Application
    Filed: November 30, 2016
    Publication date: June 8, 2017
    Inventors: Roland Rupp, Jens Peter Konrath, Francisco Javier Santos Rodriguez, Carsten Schaeffer, Hans-Joachim Schulze, Werner Schustereder, Guenther Wellenzohn
  • Patent number: 9633957
    Abstract: According to various embodiments, a semiconductor device may include: a layer stack formed at a surface of the semiconductor device, the layer stack including: a metallization layer including a first metal or metal alloy; a protection layer covering the metallization layer, the protection layer including a second metal or metal alloy, wherein the second metal or metal alloy is less noble than the first metal or metal alloy.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: April 25, 2017
    Assignee: INFINEON TECHNOLOGIES AG
    Inventors: Jochen Hilsenbeck, Jens Peter Konrath, Thomas Frank, Roland Rupp
  • Patent number: 9595469
    Abstract: A semiconductor device includes a semiconductor body with a front face and a back face, having an active zone located at the front face, a front surface metallization layer having a front face and a back face directed towards the active zone, the front surface metallization layer being provided on the front face of the semiconductor body and being electrically connected to the active zone, and a first barrier layer, including amorphous molybdenum nitride, located between the active zone and the metallization layer. Further, a method for producing such a device is provided.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: March 14, 2017
    Assignee: Infineon Technologies AG
    Inventors: Jochen Hilsenbeck, Jens Peter Konrath, Stefan Krivec
  • Patent number: 9548399
    Abstract: A semiconductor device includes a junction field effect transistor cell with a top gate region, a lateral channel region and a buried gate region. The lateral channel region is arranged between the top gate region and the buried gate region along a vertical direction with respect to a first surface of a semiconductor body. The lateral channel region comprises at least two first zones of a first conductivity type and at least one second zone of a second conductivity type, wherein the first and second zones alternate along the vertical direction. The embodiments provide well-defined channel widths and facilitate the adjustment of pinch-off voltages as well as the manufacture of normally-off junction field effect transistor cells.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: January 17, 2017
    Assignee: Infineon Technologies AG
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze
  • Publication number: 20170012102
    Abstract: Disclosed is a method for forming a semiconductor device and a semiconductor device. The method includes: in a SiC semiconductor body, forming crystal defects in a first semiconductor region by introducing non-doping particles into the semiconductor body; and forming a second semiconductor region such that there is a pn junction between the first semiconductor region and the second semiconductor region.
    Type: Application
    Filed: July 8, 2016
    Publication date: January 12, 2017
    Inventors: Jens Peter Konrath, Roland Rupp, Hans-Joachim Schulze
  • Publication number: 20160359014
    Abstract: A method for forming a plurality of semiconductor devices on a plurality of semiconductor wafers is provided. The method includes forming an electrically conductive layer on a surface of a first semiconductor wafer so that a Schottky-contact is generated between the electrically conductive layer formed on the first semiconductor wafer and the first semiconductor wafer. A material composition of the electrically conductive layer formed on the first semiconductor wafer is selected based on a value of a physical property of the first semiconductor wafer. The method further includes forming an electrically conductive layer on a surface of a second semiconductor wafer so that a Schottky-contact is generated between the electrically conductive layer formed on the second semiconductor wafer and the second semiconductor wafer. A material composition of the electrically conductive layer formed on the second semiconductor wafer is selected based on a value of the physical property of the second semiconductor wafer.
    Type: Application
    Filed: May 24, 2016
    Publication date: December 8, 2016
    Inventors: Jochen Hilsenbeck, Jens Peter Konrath
  • Patent number: 9508711
    Abstract: A semiconductor device includes a bipolar junction transistor cell including an emitter region which is at least partly formed between mesas of a semiconductor body. The emitter region extends between a first surface of the semiconductor body and an emitter bottom plane. The transistor cell further includes a collector region and a base region that separates the emitter region and the collector region.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: November 29, 2016
    Assignee: Infineon Technologies AG
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze
  • Publication number: 20160336396
    Abstract: A semiconductor wafer processing system for processing a semiconductor wafer is presented.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 17, 2016
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze
  • Publication number: 20160276452
    Abstract: A semiconductor device includes an n-doped monocrystalline semiconductor substrate having a substrate surface, an amorphous n-doped semiconductor surface layer at the substrate surface of the n-doped monocrystalline semiconductor substrate, and a Schottky-junction forming material in contact with the amorphous n-doped semiconductor surface layer. The Schottky-junction forming material forms at least one Schottky contact with the amorphous n-doped semiconductor surface layer.
    Type: Application
    Filed: February 10, 2016
    Publication date: September 22, 2016
    Inventors: Jens Peter Konrath, Ronny Kern, Stefan Krivec, Ulrich Schmid, Laura Stoeber
  • Publication number: 20160247703
    Abstract: A semiconductor substrate arrangement includes a carrier wafer and a plurality of semiconductor substrate pieces fixed to the carrier wafer and distributed laterally over the carrier wafer. The semiconductor substrate pieces of the plurality of semiconductor substrate pieces comprise a hexagonal shape.
    Type: Application
    Filed: February 10, 2016
    Publication date: August 25, 2016
    Inventors: Peter Irsigler, Jens Peter Konrath, Hans-Joachim Schulze
  • Patent number: 9425327
    Abstract: A junction field effect transistor cell of a semiconductor device includes a top gate region, a lateral channel region and a buried gate region arranged along a vertical direction. The lateral channel region includes first zones of a first conductivity type and second zones of a second conductivity type which alternate along a lateral direction perpendicular to the vertical direction. A pinch-off voltage of the junction field effect transistor cell does not depend, or only to a low degree depends, on a vertical extension of the lateral channel region.
    Type: Grant
    Filed: November 18, 2013
    Date of Patent: August 23, 2016
    Assignee: Infineon Technologies AG
    Inventors: Jens Peter Konrath, Hans-Joachim Schulze