Patents by Inventor Claus Dahl
Claus Dahl 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).
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Publication number: 20170288042Abstract: A method comprises arranging a stack, on a semiconductor substrate, comprising a sacrificial layer and an insulating layer. The insulator layer is at least partially arranged between the semiconductor substrate and the sacrificial layer. A recess is formed within the stack. The recess extends through the stack to the semiconductor substrate so that the recess at least partially overlaps with a surface of the collector region of the semiconductor substrate. The collector region extends from a main surface of the semiconductor substrate into the substrate material. The method further comprises generating a base structure at the collector region and in the recess. The base structure contacts and covers the collector region within the recess of the sacrificial layer. The method further comprises generating an emitter structure at the base structure. The emitter structure contacts and at least partially covers the base structure within the recess of the sacrificial layer.Type: ApplicationFiled: May 30, 2017Publication date: October 5, 2017Inventors: Claus Dahl, Dmitri Alex TSCHUMAKOW
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Patent number: 9691885Abstract: A method comprises arranging a stack, on a semiconductor substrate, comprising a sacrificial layer and an insulating layer. The insulator layer is at least partially arranged between the semiconductor substrate and the sacrificial layer. A recess is formed within the stack. The recess extends through the stack to the semiconductor substrate so that the recess at least partially overlaps with a surface of the collector region of the semiconductor substrate. The collector region extends from a main surface of the semiconductor substrate into the substrate material. The method further comprises generating a base structure at the collector region and in the recess. The base structure contacts and covers the collector region within the recess of the sacrificial layer. The method further comprises generating an emitter structure at the base structure. The emitter structure contacts and at least partially covers the base structure within the recess of the sacrificial layer.Type: GrantFiled: March 10, 2016Date of Patent: June 27, 2017Assignee: Infineon Technologies Dresden GmbHInventors: Claus Dahl, Dmitri Alex Tschumakow
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Patent number: 9679963Abstract: According to various embodiments, a semiconductor structure may include: a first source/drain region and a second source/drain region; a body region disposed between the first source/drain region and the second source/drain region, the body region including a core region and at least one edge region at least partially surrounding the core region; a dielectric region next to the body region and configured to limit a current flow through the body region in a width direction of the body region, wherein the at least one edge region is arranged between the core region and the dielectric region; and a gate structure configured to control the body region; wherein the gate structure is configured to provide a first threshold voltage for the core region of the body region and a second threshold voltage for the at least one edge region of the body region, wherein the first threshold voltage is less than or equal to the second threshold voltage.Type: GrantFiled: December 15, 2015Date of Patent: June 13, 2017Assignee: INFINEON TECHNOLOGIES AGInventors: Dmitri Alex Tschumakow, Erhard Landgraf, Claus Dahl, Steffen Rothenhaeusser
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Patent number: 9673294Abstract: According to various embodiments, a bipolar transistor structure may include: a substrate; a collector region in the substrate; a base region disposed over the collector region, an emitter region disposed over the base region; a base terminal laterally electrically contacting the base region, wherein the base terminal includes polysilicon.Type: GrantFiled: March 8, 2016Date of Patent: June 6, 2017Assignee: INFINEON TECHNOLOGIES DRESDEN GMBHInventors: Dmitri Alex Tschumakow, Claus Dahl, Armin Tilke
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Patent number: 9505638Abstract: A method for treating wastewater using a ballasted flocculation technique includes continuously measuring the concentration of suspended solids, organic matter or other impurities in the water to be treated prior to directing the water to be treated to a flocculation tank. Based on this measurement, the amount of ballast necessary to obtain treated water of a predetermined quality is then calculated. In the flocculation tank, ballast and a flocculating reagent are added to the water to form a water-floc mixture. The water-floc mixture is directed to a settling tank where a sludge-ballast mixture is settled. The sludge-ballast mixture is directed to a mixing tank and then to a separator to separate the ballast from the sludge. The separated ballast is directed to the flocculation tank. The separated sludge is directed to the mixing tank when the level of sludge-ballast mixture in the mixing tank is lower than a predetermined level.Type: GrantFiled: December 16, 2013Date of Patent: November 29, 2016Assignee: Veolia Water Solutions & Technologies SupportInventors: Philippe Sauvignet, Claus Dahl, Valery Ursel, Celine Levecq, Jean-Francois Beaudet
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Publication number: 20160268402Abstract: A method comprises arranging a stack, on a semiconductor substrate, comprising a sacrificial layer and an insulating layer. The insulator layer is at least partially arranged between the semiconductor substrate and the sacrificial layer. A recess is formed within the stack. The recess extends through the stack to the semiconductor substrate so that the recess at least partially overlaps with a surface of the collector region of the semiconductor substrate. The collector region extends from a main surface of the semiconductor substrate into the substrate material. The method further comprises generating a base structure at the collector region and in the recess. The base structure contacts and covers the collector region within the recess of the sacrificial layer. The method further comprises generating an emitter structure at the base structure. The emitter structure contacts and at least partially covers the base structure within the recess of the sacrificial layer.Type: ApplicationFiled: March 10, 2016Publication date: September 15, 2016Inventors: Claus DAHL, Dmitri Alex TSCHUMAKOW
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Publication number: 20160190277Abstract: According to various embodiments, a bipolar transistor structure may include: a substrate; a collector region in the substrate; a base region disposed over the collector region, an emitter region disposed over the base region; a base terminal laterally electrically contacting the base region, wherein the base terminal includes polysilicon.Type: ApplicationFiled: March 8, 2016Publication date: June 30, 2016Inventors: Dmitri Alex Tschumakow, Claus Dahl, Armin Tilke
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Patent number: 9312369Abstract: According to various embodiments, a bipolar transistor structure may include: a substrate; a collector region in the substrate; a base region disposed over the collector region, an emitter region disposed over the base region; a base terminal laterally electrically contacting the base region, wherein the base terminal includes polysilicon.Type: GrantFiled: June 4, 2014Date of Patent: April 12, 2016Assignee: INFINEON TECHNOLOGIES DRESDEN GMBHInventors: Dmitri Alex Tschumakow, Claus Dahl, Armin Tilke
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Publication number: 20160099311Abstract: According to various embodiments, a semiconductor structure may include: a first source/drain region and a second source/drain region; a body region disposed between the first source/drain region and the second source/drain region, the body region including a core region and at least one edge region at least partially surrounding the core region; a dielectric region next to the body region and configured to limit a current flow through the body region in a width direction of the body region, wherein the at least one edge region is arranged between the core region and the dielectric region; and a gate structure configured to control the body region; wherein the gate structure is configured to provide a first threshold voltage for the core region of the body region and a second threshold voltage for the at least one edge region of the body region, wherein the first threshold voltage is less than or equal to the second threshold voltage.Type: ApplicationFiled: December 15, 2015Publication date: April 7, 2016Inventors: Dmitri Alex TSCHUMAKOW, Erhard LANDGRAF, Claus DAHL, Steffen ROTHENHAEUSSER
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Publication number: 20160093722Abstract: A bipolar transistor comprises a semiconductor body including a collector region and a base region arranged on top of the collector region. The base region has a first crystalline structure and is at least partly doped with dopants of a first doping type. The collector region is laterally enclosed by a trench isolation and is doped with dopants of a second doping type. The transistor further comprises a conductive base contact layer laterally enclosing the base region which is doped with dopants of the first doping type. The base contact layer comprises a part with the first crystalline structure and a part with a second crystalline structure, wherein the part with the second crystalline structure laterally encloses the part with the first crystalline structure. The transistor further comprises an emitter region arranged on the base region.Type: ApplicationFiled: September 21, 2015Publication date: March 31, 2016Inventors: Armin Tilke, Claus Dahl, Dmitri A. Tschumakow
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Patent number: 9219117Abstract: According to various embodiments, a semiconductor structure may include: a first source/drain region and a second source/drain region; a body region disposed between the first source/drain region and the second source/drain region, the body region including a core region and at least one edge region at least partially surrounding the core region; a dielectric region next to the body region and configured to limit a current flow through the body region in a width direction of the body region, wherein the at least one edge region is arranged between the core region and the dielectric region; and a gate structure configured to control the body region; wherein the gate structure is configured to provide a first threshold voltage for the core region of the body region and a second threshold voltage for the at least one edge region of the body region, wherein the first threshold voltage is less than or equal to the second threshold voltage.Type: GrantFiled: April 22, 2014Date of Patent: December 22, 2015Assignee: Infineon Technologies AGInventors: Dmitri Alex Tschumakow, Erhard Landgraf, Claus Dahl, Steffen Rothenhaeusser
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Publication number: 20150357446Abstract: According to various embodiments, a bipolar transistor structure may include: a substrate; a collector region in the substrate; a base region disposed over the collector region, an emitter region disposed over the base region; a base terminal laterally electrically contacting the base region, wherein the base terminal includes polysilicon.Type: ApplicationFiled: June 4, 2014Publication date: December 10, 2015Applicant: Infineon Technologies Dresden GmbHInventors: Dmitri Alex Tschumakow, Claus Dahl, Armin Tilke
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Publication number: 20150303254Abstract: According to various embodiments, a semiconductor structure may include: a first source/drain region and a second source/drain region; a body region disposed between the first source/drain region and the second source/drain region, the body region including a core region and at least one edge region at least partially surrounding the core region; a dielectric region next to the body region and configured to limit a current flow through the body region in a width direction of the body region, wherein the at least one edge region is arranged between the core region and the dielectric region; and a gate structure configured to control the body region; wherein the gate structure is configured to provide a first threshold voltage for the core region of the body region and a second threshold voltage for the at least one edge region of the body region, wherein the first threshold voltage is less than or equal to the second threshold voltage.Type: ApplicationFiled: April 22, 2014Publication date: October 22, 2015Applicant: Infineon Technologies AGInventors: Dmitri Alex Tschumakow, Erhard Landgraf, Claus Dahl, Steffen Rothenhaeusser
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Patent number: 9166039Abstract: A transistor component includes an active transistor region arranged in the semiconductor body. And insulation region surrounds the active transistor region in the semiconductor body in a ring-shaped manner. A source zone, a drain zone, a body zone and a drift zone are disposed in the active transistor region. The source zone and the drain zone are spaced apart in a lateral direction of the semiconductor body and the body zone is arranged between the source zone and the drift zone and the drift zone is arranged between the body zone and the drain zone. A gate and field electrode is arranged over the active transistor region. The dielectric layer has a first thickness in a region near the body zone and a second thickness in a region near the drift zone.Type: GrantFiled: July 1, 2014Date of Patent: October 20, 2015Assignee: Infineon Technologies AGInventors: Erhard Landgraf, Thomas Bertrams, Claus Dahl, Henning Feick, Andreas Pribil
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Publication number: 20140339634Abstract: A transistor component includes an active transistor region arranged in the semiconductor body. And insulation region surrounds the active transistor region in the semiconductor body in a ring-shaped manner. A source zone, a drain zone, a body zone and a drift zone are disposed in the active transistor region. The source zone and the drain zone are spaced apart in a lateral direction of the semiconductor body and the body zone is arranged between the source zone and the drift zone and the drift zone is arranged between the body zone and the drain zone. A gate and field electrode is arranged over the active transistor region. The dielectric layer has a first thickness in a region near the body zone and a second thickness in a region near the drift zone.Type: ApplicationFiled: July 1, 2014Publication date: November 20, 2014Inventors: Erhard Landgraf, Thomas Bertrams, Claus Dahl, Henning Feick, Andreas Pribil
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Patent number: 8809952Abstract: A transistor component includes an active transistor region arranged in the semiconductor body. And insulation region surrounds the active transistor region in the semiconductor body in a ring-shaped manner. A source zone, a drain zone, a body zone and a drift zone are disposed in the active transistor region. The source zone and the drain zone are spaced apart in a lateral direction of the semiconductor body and the body zone is arranged between the source zone and the drift zone and the drift zone is arranged between the body zone and the drain zone. A gate and field electrode is arranged over the active transistor region. The dielectric layer has a first thickness in a region near the body zone and a second thickness in a region near the drift zone.Type: GrantFiled: December 6, 2012Date of Patent: August 19, 2014Assignee: Infineon Technologies AGInventors: Erhard Landgraf, Thomas Bertrams, Claus Dahl, Henning Feick, Andreas Pribil
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Publication number: 20140209523Abstract: A method for treating wastewater using a ballasted flocculation technique includes continuously measuring the concentration of suspended solids, organic matter or other impurities in the water to be treated prior to directing the water to be treated to a flocculation tank. Based on this measurement, the amount of ballast necessary to obtain treated water of a predetermined quality is then calculated. In the flocculation tank, ballast and a flocculating reagent are added to the water to form a water-floc mixture. The water-floc mixture is directed to a settling tank where a sludge-ballast mixture is settled. The sludge-ballast mixture is directed to a mixing tank and then to a separator to separate the ballast from the sludge. The separated ballast is directed to the flocculation tank. The separated sludge is directed to the mixing tank when the level of sludge-ballast mixture in the mixing tank is lower than a predetermined level.Type: ApplicationFiled: December 16, 2013Publication date: July 31, 2014Applicant: VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORTInventors: Philippe Sauvignet, Claus Dahl, Valey Ursel, Celine Levecq, Jean-Francois Beaudet
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Patent number: 8617400Abstract: A method for treating wastewater using a ballasted flocculation technique includes continuously measuring the concentration of suspended solids, organic matter or other impurities in the water to be treated prior to directing the water to be treated to a flocculation tank. Based on this measurement, the amount of ballast necessary to obtain treated water of a predetermined quality is then calculated. In the flocculation tank, ballast and a flocculating reagent are added to the water to form a water-floc mixture. The water-floc mixture is directed to a settling tank where a sludge-ballast mixture is settled. The sludge-ballast mixture is directed to a mixing tank and then to a separator to separate the ballast from the sludge. The separated ballast is directed to the flocculation tank. The separated sludge is directed to the mixing tank when the level of sludge-ballast mixture in the mixing tank is lower than a predetermined level.Type: GrantFiled: December 26, 2007Date of Patent: December 31, 2013Assignee: Veolia Water Solutions & Technologies SupportInventors: Philippe Sauvignet, Claus Dahl, Valey Ursel, Celine Levecq, Jean-Francois Beaudet
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Patent number: 7709339Abstract: Method for producing a planar spacer, an associated bipolar transistor and an associated BiCMOS circuit arrangement. The invention relates to a method for production of a planar spacer, of an associated bipolar transistor and of an associated BiCMOS circuit arrangement, in which first and second spacer layers are formed after the formation of a sacrificial mask on a mount substrate. A first anisotropic etching process of the second spacer layer is carried out to produce auxiliary spacers. A second anisotropic etching step is then carried out, in order to produce the planar spacers, using the auxiliary spacers as an etch mask.Type: GrantFiled: October 27, 2006Date of Patent: May 4, 2010Assignee: Infineon Technologies AGInventors: Claus Dahl, Armin Tilke
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Publication number: 20100096335Abstract: A method for treating wastewater using a ballasted flocculation technique includes continuously measuring the concentration of suspended solids, organic matter or other impurities in the water to be treated prior to directing the water to be treated to a flocculation tank. Based on this measurement, the amount of ballast necessary to obtain treated water of a predetermined quality is then calculated. In the flocculation tank, ballast and a flocculating reagent are added to the water to form a water-floc mixture. The water-floc mixture is directed to a settling tank where a sludge-ballast mixture is settled. The sludge-ballast mixture is directed to a mixing tank and then to a separator to separate the ballast from the sludge. The separated ballast is directed to the flocculation tank. The separated sludge is directed to the mixing tank when the level of sludge-ballast mixture in the mixing tank is lower than a predetermined level.Type: ApplicationFiled: December 26, 2007Publication date: April 22, 2010Applicant: OTV SAInventors: Philippe Sauvignet, Claus Dahl, Valey Ursel, Celine Levecq, Jean-Francois Beaudet