Patents by Inventor Joachim Weyers

Joachim Weyers 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: 9184255
    Abstract: Disclosed is a diode. An embodiment of the diode includes a semiconductor body, a first emitter region of a first conductivity type, a second emitter region of a second conductivity type, and a base region arranged between the first and second emitter regions and having a lower doping concentration than the first and second emitter regions. The diode further includes a first emitter electrode only electrically coupled to the first emitter region, a second emitter electrode in electrical contact with the second emitter region, and a control electrode arrangement including a first control electrode section, and a first dielectric layer arranged between the first control electrode section and the semiconductor body. At least one pn junction extends to the first dielectric layer or is arranged distant to the first dielectric layer by less than 250 nm.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: November 10, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Franz Hirler, Joachim Weyers
  • Publication number: 20150311191
    Abstract: A semiconductor device comprises a semiconductor body having a first surface and a second surface opposite to the first surface. The semiconductor device further comprises a first isolation layer on the first surface of the semiconductor body, and an electrostatic discharge protection structure on the first isolation layer. The electrostatic discharge protection structure has a first terminal and a second terminal. The semiconductor device further comprises a heat dissipation structure, which has a first end in contact with the electrostatic discharge protection structure and a second end which is in direct contact to an electrically isolating region.
    Type: Application
    Filed: April 9, 2015
    Publication date: October 29, 2015
    Inventors: Joachim Weyers, Franz Hirler, Anton Mauder, Markus Schmitt
  • Publication number: 20150294966
    Abstract: A semiconductor device comprises a semiconductor body having a first surface and a second surface opposite to the first surface. The semiconductor device further includes a first isolation layer on the first surface of the semiconductor body and a first electrostatic discharge protection structure on the first isolation layer. The first electrostatic discharge protection structure has a first terminal and a second terminal. A second isolation layer is provided on the electrostatic discharge protection structure. A gate contact area on the second isolation layer is electrically coupled to the first terminal of the first electrostatic discharge protection structure. An electric contact structure is arranged in an overlap area between the gate contact area and the semiconductor body. The electric contact structure is electrically coupled to the second terminal of the first electrostatic discharge protection structure and electrically isolated from the gate contact area.
    Type: Application
    Filed: April 14, 2014
    Publication date: October 15, 2015
    Inventors: Joachim Weyers, Franz Hirler, Anton Mauder, Markus Schmitt, Armin Tilke, Thomas Bertrams
  • Publication number: 20150249448
    Abstract: An electronic circuit includes an input node configured to receive an input voltage, and a load path between a first load node and a second load node. The circuit further includes a first transistor device, and n second transistor devices, with n?1, wherein load paths of the first transistor device and the n second transistor devices are connected in series, thereby forming the load path of the electronic circuit. Each of the first transistor device and the n second transistor devices has a drive node coupled to the input node of the electronic circuit. Each of the n second transistor devices has the drive node coupled to the load path of the electronic circuit.
    Type: Application
    Filed: February 28, 2014
    Publication date: September 3, 2015
    Inventors: Franz Hirler, Joachim Weyers, Anton Mauder
  • Patent number: 9087707
    Abstract: A semiconductor arrangement includes a semiconductor body and a power transistor including a source region, a drain region, a body region and a drift region arranged in the semiconductor body, a gate electrode arranged adjacent to the body region and dielectrically insulated from the body region by a gate dielectric. The semiconductor arrangement further includes a high voltage device arranged within a well-like dielectric structure in the semiconductor body and comprising a further drift region.
    Type: Grant
    Filed: March 26, 2012
    Date of Patent: July 21, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Anton Mauder, Franz Hirler, Joachim Weyers, Uwe Wahl
  • Publication number: 20150187874
    Abstract: A power semiconductor device includes a semiconductor body having a first surface and including an active area including n-type semiconductor regions and p-type semiconductor regions, the n-type semiconductor regions alternating, in a direction substantially parallel to the first surface, with the p-type semiconductor regions. The semiconductor body further includes a peripheral area surrounding the active area and including a low-doped semiconductor region having a first concentration of n-dopants lower than a doping concentration of n-dopants of the n-type semiconductor regions, and at least one auxiliary semiconductor region having a concentration of n-dopants higher than the first concentration and a concentration of p-dopants higher than the first concentration.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 2, 2015
    Inventors: Franz Hirler, Roman Knoefler, Anton Mauder, Hans Weber, Joachim Weyers
  • Publication number: 20150162324
    Abstract: A half-bridge circuit includes a low-side transistor and a high-side transistor each having a load path and a control terminal. The half-bridge circuit further includes a high-side drive circuit having a level shifter with a level shifter transistor. The low-side transistor and the level shifter transistor are integrated in a common semiconductor body.
    Type: Application
    Filed: January 27, 2015
    Publication date: June 11, 2015
    Inventors: Anton Mauder, Franz Hirler, Joachim Weyers, Uwe Wahl
  • Patent number: 8958189
    Abstract: A high voltage semiconductor switch includes a first field-effect transistor having a source, a drain and a gate, and being adapted for switching a voltage at a rated high-voltage level, the first field-effect transistor being a normally-off enhancement-mode transistor, a second field-effect transistor having a source, a drain and a gate, connected in series to the first field-effect transistor, the second field-effect transistor being a normally-on depletion-mode transistor; and a control unit connected to the drain of the first field-effect transistor and to the gate of the second field-effect transistor and being operable for blocking the second field-effect transistor if a drain-source voltage across the first field-effect transistor exceeds the rated high-voltage level.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: February 17, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Joachim Weyers, Franz Hirler, Anton Mauder
  • Publication number: 20150042177
    Abstract: Disclosed is a semiconductor device, an electronic circuit, and a method. The semiconductor device includes a semiconductor body; at least one transistor cell including a source region, a drift region, a body region separating the source region from the drift region, and a drain region in the semiconductor body, and a gate electrode dielectrically insulated from the body region by a gate dielectric; a source node connected to the source region and the body region; a contact node spaced apart from the body region and the drain region and electrically connected to the drain region; and a rectifier element formed between the contact node and the source node.
    Type: Application
    Filed: August 7, 2014
    Publication date: February 12, 2015
    Inventors: Joachim Weyers, Franz Hirler, Anton Mauder
  • Publication number: 20150043116
    Abstract: A high voltage semiconductor switch includes a first field-effect transistor having a source, a drain and a gate, and being adapted for switching a voltage at a rated high-voltage level, the first field-effect transistor being a normally-off enhancement-mode transistor, a second field-effect transistor having a source, a drain and a gate, connected in series to the first field-effect transistor, the second field-effect transistor being a normally-on depletion-mode transistor; and a control unit connected to the drain of the first field-effect transistor and to the gate of the second field-effect transistor and being operable for blocking the second field-effect transistor if a drain-source voltage across the first field-effect transistor exceeds the rated high-voltage level.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 12, 2015
    Applicant: Infineon Technologies Austria AG
    Inventors: Joachim Weyers, Franz Hirler, Anton Mauder
  • Publication number: 20150021670
    Abstract: A field-effect semiconductor device includes a semiconductor body having a first surface and an edge, an active area, and a peripheral area between the active area and the edge, a source metallization on the first surface and a drain metallization. In the active area, first conductivity type drift portions alternate with second conductivity type compensation regions. The drift portions contact the drain metallization and have a first maximum doping concentration. The compensation regions are in Ohmic contact with the source metallization. The peripheral area includes a first edge termination region and a second semiconductor region in Ohmic contact with the drift portions having a second maximum doping of the first conductivity type which lower than the first maximum doping concentration by a factor of ten. The first edge termination region of the second conductivity type adjoins the second semiconductor region and is in Ohmic contact with the source metallization.
    Type: Application
    Filed: November 15, 2013
    Publication date: January 22, 2015
    Inventors: Hans-Joachim Schulze, Franz-Josef Niedernostheide, Anton Mauder, Joachim Weyers, Franz Hirler, Markus Schmitt, Armin Willmeroth, Björn Fischer, Stefan Gamerith
  • Patent number: 8901661
    Abstract: A semiconductor device includes a source metallization and a semiconductor body. The semiconductor body includes a first field-effect structure including a source region of a first conductivity type electrically coupled to the source metallization and a second field-effect structure including a source region of the first conductivity type electrically coupled to the source metallization. A first gate electrode of the first field-effect structure is electrically coupled to a first gate driver circuit and a second gate electrode of the second field-effect structure is electrically coupled to a second gate driver circuit different from the first gate driver circuit. The first field-effect structure and the second field-effect structure share a common drain.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: December 2, 2014
    Assignee: Infineon Technologies Austria AG
    Inventors: Anton Mauder, Franz Hirler, Joachim Weyers
  • Patent number: 8742539
    Abstract: One aspect of the invention relates to a semiconductor component with a semiconductor body with a top side and with a bottom side. A first coil that is monolithically integrated with the semiconductor body is arranged distant from the bottom side and comprises N first windings, wherein N?1. The first coil has a first coil axis that extends in a direction different from a surface normal of the bottom side.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: June 3, 2014
    Assignee: Infineon Technologies Austria AG
    Inventors: Joachim Weyers, Kevni Bueyuektas, Franz Hirler, Anton Mauder
  • Publication number: 20140110822
    Abstract: A semiconductor device includes a first coil that is monolithically integrated in a first portion of a semiconductor body and that includes a first winding wrapping around a first core structure. A second coil is monolithically integrated in a second portion of the semiconductor body and includes a second winding wrapping around the second core structure. The first and second coils are magnetically coupled with each other. An insulator frame in the semiconductor body surrounds the first portion and excludes the second portion. High dielectric strength between the first and the second coils is achieved without patterning a backside metallization for connecting the turns of the windings and without being restricted to thin substrates.
    Type: Application
    Filed: October 19, 2012
    Publication date: April 24, 2014
    Inventors: Joachim Weyers, Kevni Bueyuektas, Franz Hirler, Anton Mauder
  • Publication number: 20140027879
    Abstract: One aspect of the invention relates to a semiconductor component with a semiconductor body with a top side and with a bottom side. A first coil that is monolithically integrated with the semiconductor body is arranged distant from the bottom side and comprises N first windings, wherein N?1. The first coil has a first coil axis that extends in a direction different from a surface normal of the bottom side.
    Type: Application
    Filed: July 27, 2012
    Publication date: January 30, 2014
    Applicant: Infineon Technologies Austria AG
    Inventors: Joachim Weyers, Kevni Bueyuektas, Franz Hirler, Anton Mauder
  • Publication number: 20130264651
    Abstract: A semiconductor device includes a source metallization and a semiconductor body. The semiconductor body includes a first field-effect structure including a source region of a first conductivity type electrically coupled to the source metallization and a second field-effect structure including a source region of the first conductivity type electrically coupled to the source metallization. A first gate electrode of the first field-effect structure is electrically coupled to a first gate driver circuit and a second gate electrode of the second field-effect structure is electrically coupled to a second gate driver circuit different from the first gate driver circuit. The first field-effect structure and the second field-effect structure share a common drain.
    Type: Application
    Filed: June 6, 2013
    Publication date: October 10, 2013
    Inventors: Anton Mauder, Franz Hirler, Joachim Weyers
  • Publication number: 20130249602
    Abstract: A semiconductor arrangement includes a semiconductor body and a power transistor including a source region, a drain region, a body region and a drift region arranged in the semiconductor body, a gate electrode arranged adjacent to the body region and dielectrically insulated from the body region by a gate dielectric. The semiconductor arrangement further includes a high voltage device arranged within a well-like dielectric structure in the semiconductor body and comprising a further drift region.
    Type: Application
    Filed: March 26, 2012
    Publication date: September 26, 2013
    Applicant: INFINEON TECHNOLOGIES AUSTRIA AG
    Inventors: Anton Mauder, Franz Hirler, Joachim Weyers, Uwe Wahl
  • Patent number: 8530300
    Abstract: Disclosed is a method of forming a semiconductor device with drift regions of a first doping type and compensation regions of a second doping type, and a semiconductor device with drift regions of a first doping type and compensation regions of a second doping type.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: September 10, 2013
    Assignee: Infineon Technologies Austria AG
    Inventors: Joachim Weyers, Armin Willmeroth, Anton Mauder, Franz Hirler
  • Patent number: 8487307
    Abstract: A semiconductor arrangement is disclosed. One embodiment includes a first semiconductor layer including a first and second component zone that form a pn-junction or a Schottky-junction. A second semiconductor layer includes a drift control zone adjacent to the second component zone. A dielectric layer separates the first semiconductor layer from the second semiconductor layer. A rectifying element is coupled between the drift control zone and the second component zone.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: July 16, 2013
    Assignee: Infineon Technologies Austria AG
    Inventors: Joachim Weyers, Anton Mauder, Franz Hirler, Paul Kuepper
  • Patent number: 8482029
    Abstract: A semiconductor device includes a source metallization and a semiconductor body. The semiconductor body includes a first field-effect structure including a source region of a first conductivity type electrically coupled to the source metallization. The semiconductor body also includes a second field-effect structure including a source region of the first conductivity type electrically coupled to the source metallization. A voltage tap including a semiconductor region within the semiconductor body is electrically coupled to a first gate electrode of the first field-effect structure by an intermediate inverter structure.
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: July 9, 2013
    Assignee: Infineon Technologies Austria AG
    Inventors: Anton Mauder, Franz Hirler, Joachim Weyers