Patents by Inventor Christian Russ

Christian Russ 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: 8085518
    Abstract: An electronic circuit and method for producing the electronic circuit, where the electronic circuit includes a functional circuit including at least one multigate functional field effect transistor and an ESD protection circuit including at least one multigate ESD protection field effect transistor. The multigate protection field effect transistor is a transistor that is partially depleted of electrical charge carriers, and the trigger voltage of the multigate protection field effect transistor is less than the trigger voltage of the multigate functional field effect transistor.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: December 27, 2011
    Assignee: Infineon Technologies AG
    Inventors: Nirmal Chaudhary, Christian Russ, Thomas Schulz
  • Patent number: 8076728
    Abstract: A circuit arrangement including a capacitor in an n-type well is disclosed. A specific polarization of the capacitor ensures that a depletion zone arises in the well and the capacitor has a high ESD strength. An optionally present auxiliary doping layer ensures a high area capacitance of the capacitor despite high ESD strength.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: December 13, 2011
    Assignee: Infineon Technologies AG
    Inventors: Kai Esmark, Harald Gossner, Christian Russ, Jens Schneider
  • Patent number: 8072061
    Abstract: Some embodiments discussed herein include a semiconductor having a source region, a drain region and an array of fins operatively coupled to a gate region controlling current flow through the fins between the source region and the drain region. The semiconductor also has at least one cooling element formed at least in part of a material having a heat capacity equal to or larger than the heat capacity of the material of the source region, drain region and array of fins, the cooling elements being in close vicinity to fins of the array of fins electrically isolated from the fins of the array, the source region and the drain region.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: December 6, 2011
    Assignee: Infineon Technologies AG
    Inventors: Harald Gossner, Christian Russ, Thomas Schulz, Jens Schneider
  • Patent number: 8059375
    Abstract: Illustrative apparatuses and methods for electrostatic discharge protection are described in which the frequency of a voltage received at a first circuit node is filtered to generate a filtered voltage, one or more control signals are generated having either a first voltage or a second voltage depending upon the value of the filtered voltage, and the first circuit node is selectively connected with a second circuit node depending upon the value of the one or more control signals.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: November 15, 2011
    Assignee: Infineon Technologies AG
    Inventors: Jürgen Fehle, Michael Mark, Christian Russ
  • Publication number: 20110241731
    Abstract: Electrostatic discharge clamp devices are described. In one embodiment, the semiconductor device includes a first transistor, the first transistor including a first source/drain and a second source/drain, the first source/drain coupled to a first potential node, the second source/drain coupled to a second potential node. The device further includes a OR logic block, a first input of the OR logic block coupled to the first potential node through a capacitor, the first input of the OR logic block being coupled to the second potential node through a resistor, and a second input of the OR logic block coupled to a substrate pickup node of the first transistor.
    Type: Application
    Filed: June 13, 2011
    Publication date: October 6, 2011
    Inventor: Cornelius Christian Russ
  • Publication number: 20110180875
    Abstract: An ESD protection device includes an MOS transistor with a source region, drain region and gate region. A node designated for ESD protection is electrically coupled to the drain. A diode is coupled between the gate and source, wherein the diode would be reverse biased if the MOS transistor were in the active operating region.
    Type: Application
    Filed: April 8, 2011
    Publication date: July 28, 2011
    Inventors: Cornelius Christian Russ, David Alvarez
  • Patent number: 7986009
    Abstract: A circuit arrangement including a capacitor in an n-type well is disclosed. A specific polarization of the capacitor ensures that a depletion zone arises in the well and the capacitor has a high ESD strength. An optionally present auxiliary doping layer ensures a high area capacitance of the capacitor despite high ESD strength.
    Type: Grant
    Filed: July 29, 2009
    Date of Patent: July 26, 2011
    Assignee: Infineon Technologies AG
    Inventors: Kai Esmark, Harald Gossner, Christian Russ, Jens Schneider
  • Patent number: 7985983
    Abstract: A semiconductor device includes an ESD device region disposed within a semiconductor body of a first semiconductor type, an isolation region surrounding the ESD device region, a first doped region of a second conductivity type disposed at a surface of the semiconductor body within the ESD region, and a second doped region of the first conductivity type disposed between the semiconductor body within the ESD region and at least a portion of the first doped region, where the doping concentration of the second doped region is higher than the semiconductor body. A third doped region of the second semiconductor type is disposed on the semiconductor body and a fourth region of the first conductivity type is disposed over the third doped region. A fifth doped region of the second conductivity type is disposed on the semiconductor body. A trigger device and an SCR is formed therefrom.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: July 26, 2011
    Assignee: Infineon Technologies AG
    Inventors: Cornelius Christian Russ, Kai Esmark, David Alvarez, Jens Schneider
  • Patent number: 7982523
    Abstract: Electrostatic discharge clamp devices are described. In one embodiment, the semiconductor device includes a first transistor, the first transistor including a first source/drain and a second source/drain, the first source/drain coupled to a first potential node, the second source/drain coupled to a second potential node. The device further includes a OR logic block, a first input of the OR logic block coupled to the first potential node through a capacitor, the first input of the OR logic block being coupled to the second potential node through a resistor, and a second input of the OR logic block coupled to a substrate pickup node of the first transistor.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: July 19, 2011
    Assignee: Infineon Technologies AG
    Inventor: Cornelius Christian Russ
  • Publication number: 20110095347
    Abstract: Some embodiments relate to an apparatus that exhibits vertical diode activity to occur between a semiconductive body and an epitaxial film that is disposed over a doping region of the semiconductive body. Some embodiments include an apparatus that causes both vertical and lateral diode activity. Some embodiments include a gated vertical diode for a finned semiconductor apparatus. Process embodiments include the formation of vertical-diode apparatus.
    Type: Application
    Filed: January 7, 2011
    Publication date: April 28, 2011
    Applicant: Infineon Technologies AG
    Inventors: Christian Russ, Christian Pacha, Snezana Jenei, Klaus Schruefer
  • Patent number: 7919816
    Abstract: A gate controlled fin resistance element for use as an electrostatic discharge (ESD) protection element in an electrical circuit has a fin structure having a first connection region, a second connection region and a channel region formed between the first and second connection regions. Furthermore, the fin resistance element has a gate region formed at least over a part of the surface of the channel region. The gate region is electrically coupled to a gate control device, which gate control device controls an electrical potential applied to the gate region in such a way that the gate controlled fin resistance element has a high electrical resistance during a first operating state of the electrical circuit and a lower electrical resistance during a second operating state, which is characterized by the occurrence of an ESD event.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: April 5, 2011
    Assignee: Infineon Technologies AG
    Inventors: Harald Gossner, Christian Russ
  • Publication number: 20110063763
    Abstract: Implementations are presented herein that include an electrostatic discharge (ESD) protection circuit. The ESD protection circuit includes a first transistor and a second transistor. The first transistor has a first terminal that is coupled to a first supply line and a bulk that is coupled to a second supply line. The second transistor has a first terminal that is coupled to the second supply line, a bulk that is coupled to the first supply line and a second terminal that is coupled to a second terminal of the first transistor to define a protected node. The ESD protection circuit further includes a current limiting element that has a first terminal that is coupled to the protected node.
    Type: Application
    Filed: September 16, 2009
    Publication date: March 17, 2011
    Inventors: David ALVAREZ, Krzysztof DOMANSKI, Gernot LANGGUTH, Christian RUSS, Wolfgang SOLDNER
  • Patent number: 7888775
    Abstract: Some embodiments relate to an apparatus that exhibits vertical diode activity to occur between a semiconductive body and an epitaxial film that is disposed over a doping region of the semiconductive body. Some embodiments include an apparatus that causes both vertical and lateral diode activity. Some embodiments include a gated vertical diode for a finned semiconductor apparatus. Process embodiments include the formation of vertical-diode apparatus.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: February 15, 2011
    Assignee: Infineon Technologies AG
    Inventors: Christian Russ, Christian Pacha, Snezana Jenei, Klaus Schruefer
  • Publication number: 20100321843
    Abstract: A semiconductor device includes an SCR ESD device region disposed within a semiconductor body, and a plurality of first device regions of the first conductivity type disposed on a second device region of the second conductivity type, where the second conductivity type is opposite the first conductivity type. Also included is a plurality of third device regions having a sub-region of the first conductivity type and a sub-region of the second conductivity type disposed on the second device region. The first regions and second regions are distributed such that the third regions are not directly adjacent to each other. A fourth device region of the first conductivity type adjacent to the second device region and a fifth device region of the second conductivity type disposed within the fourth device region are also included.
    Type: Application
    Filed: August 31, 2010
    Publication date: December 23, 2010
    Inventors: Krzysztof Domanski, Cornelius Christian Russ, Kai Esmark
  • Patent number: 7838939
    Abstract: According to one embodiment of the present invention, an ESD protection element for use in an electrical circuit is provided, including a plurality of diodes which are connected in series with one another and which are formed in a contiguous active area, wherein the ESD protection element has a fin structure.
    Type: Grant
    Filed: May 18, 2007
    Date of Patent: November 23, 2010
    Assignee: Infineon Technologies AG
    Inventors: Christian Russ, Harald Gossner, Michael Fulde
  • Patent number: 7800128
    Abstract: A semiconductor device includes an SCR ESD device region disposed within a semiconductor body, and a plurality of first device regions of the first conductivity type disposed on a second device region of the second conductivity type, where the second conductivity type is opposite the first conductivity type. Also included is a plurality of third device regions having a sub-region of the first conductivity type and a sub-region of the second conductivity type disposed on the second device region. The first regions and second regions are distributed such that the third regions are not directly adjacent to each other. A fourth device region of the first conductivity type adjacent to the second device region and a fifth device region of the second conductivity type disposed within the fourth device region are also included.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: September 21, 2010
    Assignee: Infineon Technologies AG
    Inventors: Krzysztof Domanski, Cornelius Christian Russ, Kai Esmark
  • Publication number: 20100207161
    Abstract: This disclosure relates to devices and methods relating to coupled first and second device portions.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 19, 2010
    Applicant: INFINEON TECHNOLOGIES AG
    Inventors: Mayank Shrivastava, Cornelius Christian Russ, Harald Gossner, Ramgopal Rao, Maryam Shojaei Baghini
  • Publication number: 20100208405
    Abstract: A semiconductor device includes an ESD device region disposed within a semiconductor body of a first semiconductor type, an isolation region surrounding the ESD device region, a first doped region of a second conductivity type disposed at a surface of the semiconductor body within the ESD region, and a second doped region of the first conductivity type disposed between the semiconductor body within the ESD region and at least a portion of the first doped region, where the doping concentration of the second doped region is higher than the semiconductor body. A third doped region of the second semiconductor type is disposed on the semiconductor body and a fourth region of the first conductivity type is disposed over the third doped region. A fifth doped region of the second conductivity type is disposed on the semiconductor body. A trigger device and an SCR is formed therefrom.
    Type: Application
    Filed: April 28, 2010
    Publication date: August 19, 2010
    Inventors: Cornelius Christian Russ, Kai Esmark, David Alvarez, Jens Schneider
  • Publication number: 20100163995
    Abstract: Some embodiments discussed herein include a semiconductor having a source region, a drain region and an array of fins operatively coupled to a gate region controlling current flow through the fins between the source region and the drain region. The semiconductor also has at least one cooling element formed at least in part of a material having a heat capacity equal to or larger than the heat capacity of the material of the source region, drain region and array of fins, the cooling elements being in close vicinity to fins of the array of fins electrically isolated from the fins of the array, the source region and the drain region.
    Type: Application
    Filed: March 10, 2010
    Publication date: July 1, 2010
    Inventors: Harald Gossner, Christian Russ, Jens Schneider, Thomas Schulz
  • Publication number: 20100140712
    Abstract: Electrostatic discharge clamp devices are described. In one embodiment, the semiconductor device includes a first transistor, the first transistor including a first source/drain and a second source/drain, the first source/drain coupled to a first potential node, the second source/drain coupled to a second potential node. The device further includes a OR logic block, a first input of the OR logic block coupled to the first potential node through a capacitor, the first input of the OR logic block being coupled to the second potential node through a resistor, and a second input of the OR logic block coupled to a substrate pickup node of the first transistor.
    Type: Application
    Filed: December 5, 2008
    Publication date: June 10, 2010
    Inventor: Cornelius Christian Russ