Patents by Inventor Till Schloesser

Till Schloesser 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: 9287404
    Abstract: A method of manufacturing a semiconductor device includes providing dielectric stripe structures extending from a first surface into a semiconductor substrate between semiconductor fins. A first mask is provided that covers a first area including first stripe sections of the dielectric stripe structures and first fin sections of the semiconductor fins. The first mask exposes a second area including second stripe and second fin sections. A channel/body zone is formed in the second fin sections by introducing impurities, wherein the first mask is used as an implant mask. Using an etch mask that is based on the first mask, recess grooves are formed at least in the second stripe sections.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: March 15, 2016
    Assignee: Infineon Technologies Austria AG
    Inventors: Martin Poelzl, Till Schloesser, Andreas Meiser
  • Publication number: 20160060105
    Abstract: A method for producing a MEMS device comprises forming a semiconductor layer stack, the semiconductor layer stack comprising at least a first monocrystalline semiconductor layer, a second monocrystalline semiconductor layer and a third monocrystalline semiconductor layer, the second monocrystalline semiconductor layer formed between the first and third monocrystalline semiconductor layers. A semiconductor material of the second monocrystalline semiconductor layer is different from semiconductor materials of the first and third monocrystalline semiconductor layers. After forming the semiconductor layer stack, at least a portion of each of the first and third monocrystalline semiconductor layers is concurrently etched.
    Type: Application
    Filed: August 21, 2015
    Publication date: March 3, 2016
    Inventors: Stefan KOLB, Andreas MEISER, Till SCHLOESSER, Wolfgang WERNER
  • Publication number: 20160052776
    Abstract: A MEMS device includes a fixed electrode and a movable electrode arranged isolated and spaced from the fixed electrode by a distance. The movable electrode is suspended against the fixed electrode by one or more spacers including an insulating material, wherein the movable electrode is laterally affixed to the one or more spacers.
    Type: Application
    Filed: October 16, 2015
    Publication date: February 25, 2016
    Inventors: Stefan Kolb, Andreas Meiser, Till Schloesser, Wolfgang Werner
  • Patent number: 9231100
    Abstract: A semiconductor device is at least partially formed in a semiconductor substrate, the substrate including first and second opposing main surfaces. The semiconductor device includes a cell field portion and a contact area, the contact area being electrically coupled to the cell field portion, the cell field portion including at least a transistor. The contact area includes a connection substrate portion insulated from other substrate portions and including a part of the semiconductor substrate, an electrode adjacent to the second main surface and in contact with the connection substrate portion, and a metal layer disposed over the first main surface, the connection substrate portion being electrically coupled to the metal layer to form an ohmic contact between the electrode and metal layer. The connection substrate portion is not electrically coupled to a component of the cell field portion by a conductive material disposed between the first and second main surfaces.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: January 5, 2016
    Assignee: Infineon Technologies Austria AG
    Inventors: Andreas Meiser, Till Schloesser, Martin Poelzl
  • Publication number: 20150333058
    Abstract: A semiconductor device in a semiconductor substrate includes a trench in a first main surface of the semiconductor substrate. The trench includes a first trench portion extending in a first direction and a second trench portion extending in the first direction. The first trench portion is connected with the second trench portion in a lateral direction. The first trench portion and the second trench portion are arranged one after the other along the first direction. The semiconductor device further includes a trench conductive structure having a conductive material disposed in the first trench portion, and a trench capacitor structure having a capacitor dielectric and a first capacitor electrode disposed in the second trench portion. The first capacitor electrode includes a layer lining a sidewall of the second trench portion.
    Type: Application
    Filed: July 30, 2015
    Publication date: November 19, 2015
    Inventors: Andreas Meiser, Markus Zundel, Till Schloesser
  • Publication number: 20150311317
    Abstract: A method of manufacturing a semiconductor device includes forming a transistor in a semiconductor substrate having a first main surface. The transistor is formed by forming a source region, forming a drain region, forming a channel region, forming a drift zone, and forming a gate electrode adjacent to at least two sides of the channel region. The channel region and the drift zone are disposed along a first direction parallel to the first main surface, between the source region and the drain region. Forming the semiconductor device further includes forming a conductive layer, a portion of the conductive layer being disposed beneath the gate electrode and insulated from the gate electrode.
    Type: Application
    Filed: July 9, 2015
    Publication date: October 29, 2015
    Inventors: Andreas Meiser, Till Schloesser, Thorsten Meyer
  • Patent number: 9162868
    Abstract: A MEMS device includes a fixed electrode and a movable electrode arranged isolated and spaced from the fixed electrode by a distance. The movable electrode is suspended against the fixed electrode by one or more spacers including an insulating material, wherein the movable electrode is laterally affixed to the one or more spacers.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: October 20, 2015
    Assignee: Infineon Technologies AG
    Inventors: Stefan Kolb, Andreas Meiser, Till Schloesser, Wolfgang Werner
  • Patent number: 9129820
    Abstract: An integrated circuit is formed in a semiconductor substrate. The integrated circuit includes a trench formed in a first main surface of the semiconductor substrate. The trench includes a first trench portion and a second trench portion. The first trench portion is connected with the second trench portion. Openings of the first and second trench portions are adjacent to the first main surface. The integrated circuit further includes a trench transistor structure including a gate electrode disposed in the first trench portion, and a trench capacitor structure including a capacitor dielectric and a first capacitor electrode. The capacitor dielectric and the first capacitor electrode are disposed in the second trench portion. The first capacitor electrode includes a layer conformal with a sidewall of the second trench portion.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: September 8, 2015
    Assignee: Infineon Technologies AG
    Inventors: Andreas Meiser, Markus Zundel, Till Schloesser
  • Patent number: 9123801
    Abstract: A semiconductor device includes a transistor in a semiconductor substrate having a first main surface. The transistor includes a source region, a drain region, a channel region, a drift zone, and a gate electrode adjacent to at least two sides of the channel region. The channel region and the drift zone are disposed along a first direction parallel to the first main surface, between the source region and the drain region. The semiconductor device further includes a conductive layer beneath the gate electrode and insulated from the gate electrode.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: September 1, 2015
    Assignee: Infineon Technologies AG
    Inventors: Andreas Meiser, Till Schloesser, Thorsten Meyer
  • Publication number: 20150228656
    Abstract: An eDRAM is fabricated including high performance logic transistor technology and ultra low leakage DRAM transistor technology. Embodiments include forming a recessed channel in a substrate, forming a first gate oxide to a first thickness lining the channel and a second gate oxide to a second thickness over a portion of an upper surface of the substrate, forming a first polysilicon gate in the recessed channel and overlying the recessed channel, forming a second polysilicon gate on the second gate oxide, forming spacers on opposite sides of each of the first and second polysilicon gates, removing the first and second polysilicon gates forming first and second cavities, forming a high-k dielectric layer on the first and second gate oxides, and forming first and second metal gates in the first and second cavities, respectively.
    Type: Application
    Filed: February 7, 2014
    Publication date: August 13, 2015
    Applicant: GLOBAL FOUNDRIES Inc.
    Inventors: Till SCHLOESSER, Peter BAARS, Frank JAKUBOWSKI
  • Patent number: 9054181
    Abstract: A semiconductor device includes a transistor. The transistor includes a source region, a drain region, a body region, a drift zone, and a gate electrode being adjacent to the body region. The body region, the drift zone, the source region and the drain region are disposed in a first semiconductor layer having a first main surface. The body region and the drift zone are disposed along a first direction between the source region and the drain region, the first direction being parallel to the first main surface. The transistor further includes a drift control region arranged adjacent to the drift zone, the drift control region being disposed over the first main surface.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 9, 2015
    Assignee: Infineon Technologies AG
    Inventors: Andreas Meiser, Till Schloesser
  • Publication number: 20150145074
    Abstract: A MEMS device includes a fixed electrode and a movable electrode arranged isolated and spaced from the fixed electrode by a distance. The movable electrode is suspended against the fixed electrode by one or more spacers including an insulating material, wherein the movable electrode is laterally affixed to the one or more spacers.
    Type: Application
    Filed: November 27, 2013
    Publication date: May 28, 2015
    Inventors: Stefan Kolb, Andreas Meiser, Till Schloesser, Wolfgang Werner
  • Publication number: 20150137226
    Abstract: A semiconductor device includes a semiconductor substrate having first regions of a first conductivity type and body regions of the first conductivity type, which are arranged in a manner adjoining the first region and overlap the latter in each case on a side of the first region which faces a first surface of the semiconductor substrate, and having a multiplicity of drift zone regions arranged between the first regions and composed of a semiconductor material of a second conductivity type, which is different than the first conductivity type. The first regions and the drift zone regions are arranged alternately and form a superjunction structure. The semiconductor device further includes a gate electrode formed in a trench in the semiconductor substrate.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 21, 2015
    Inventors: Till Schloesser, Andreas Meiser
  • Patent number: 9034753
    Abstract: A method is disclosed that includes forming a conductive logic contact in a logic area of a semiconductor device, forming a bit line contact and a capacitor contact in a memory array of the semiconductor device, and performing at least one first common process to form a first metallization layer comprising a first conductive line in the logic area that is conductively coupled to the conductive logic contact and a bit line in the memory array that is conductively coupled to the bit line contact. The method further includes performing at least one second common process to form a second metallization layer comprising a first conductive structure conductively coupled to the first conductive line in the logic area and a second conductive structure in the memory array that that is conductively coupled to the capacitor contact.
    Type: Grant
    Filed: June 20, 2011
    Date of Patent: May 19, 2015
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Till Schloesser, Peter Baars
  • Publication number: 20150102404
    Abstract: A semiconductor device includes a transistor formed in a semiconductor substrate including a main surface. The transistor includes a source region, a drain region, a channel region, and a gate electrode. The source region and the drain region are disposed along a first direction, the first direction being parallel to the main surface. The channel region has a shape of a ridge extending along the first direction, the ridge including a top side and a first and a second sidewalls. The gate electrode is disposed at the first sidewall of the channel region, and the gate electrode is absent from the second sidewall of the channel region.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 16, 2015
    Inventors: Andreas Meiser, Till Schloesser, Franz Hirler
  • Publication number: 20150091083
    Abstract: A method of manufacturing a semiconductor device includes providing dielectric stripe structures extending from a first surface into a semiconductor substrate between semiconductor fins. A first mask is provided that covers a first area including first stripe sections of the dielectric stripe structures and first fin sections of the semiconductor fins. The first mask exposes a second area including second stripe and second fin sections. A channel/body zone is formed in the second fin sections by introducing impurities, wherein the first mask is used as an implant mask. Using an etch mask that is based on the first mask, recess grooves are formed at least in the second stripe sections.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 2, 2015
    Inventors: Martin Poelzl, Till Schloesser, Andreas Meiser
  • Publication number: 20150091088
    Abstract: An integrated circuit includes a transistor in a semiconductor substrate having a main surface. The transistor includes a source region, a drain region, a channel region, a drift zone, a gate electrode, and a gate dielectric adjacent to the gate electrode. The gate electrode is disposed adjacent to at least two sides of the channel region. The channel region and the drift zone are disposed along a first direction parallel to the main surface between the source region and the drain region. The gate dielectric has a thickness that varies at different positions of the gate electrode.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 2, 2015
    Inventors: Martin Vielemeyer, Andreas Meiser, Till Schloesser, Franz Hirler, Martin Poelzl
  • Patent number: 8994113
    Abstract: A semiconductor device formed in a semiconductor substrate includes an isolation trench in the semiconductor substrate to laterally insulate adjacent components of the semiconductor device. A lateral isolation layer is disposed in the isolation trench. The semiconductor device further includes a source region and a drain region, and a body region and a drift region disposed between the source region and the drain region. The semiconductor device additionally includes a gate electrode adjacent to at least a portion of the body region and a field plate adjacent to at least a portion of the drift region. A field dielectric layer is disposed between the drift region and the field plate. A top surface of the field dielectric layer is disposed at a greater height measured from a first main surface of the semiconductor substrate than a top surface of the lateral isolation layer.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: March 31, 2015
    Assignee: Infineon Technologies Dresden GmbH
    Inventors: Marc Strasser, Karl-Heinz Gebhardt, Andreas Meiser, Till Schloesser
  • Publication number: 20150076590
    Abstract: A semiconductor device includes a transistor in a semiconductor substrate having a first main surface. The transistor includes a source region, a drain region, a channel region, a drift zone, and a gate electrode adjacent to at least two sides of the channel region. The channel region and the drift zone are disposed along a first direction parallel to the first main surface, between the source region and the drain region. The semiconductor device further includes a conductive layer beneath the gate electrode and insulated from the gate electrode.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Inventors: Andreas Meiser, Till Schloesser, Thorsten Meyer
  • Patent number: 8963244
    Abstract: A semiconductor device includes a transistor. The transistor includes a source region, a drain region, a body region, a drift zone, and a gate electrode adjacent to the body region. The body region, the drift zone, the source region and the drain region are disposed in a first semiconductor layer having a first main surface. The body region and the drift zone are disposed along a first direction between the source region and the drain region, the first direction being parallel to the first main surface. Trenches are disposed in the first semiconductor layer, the trenches extending in the first direction. The transistor further includes a drift control region arranged adjacent to the drift zone. The drift control region and the gate electrode are disposed in the trenches.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: February 24, 2015
    Assignee: Infineon Technologies Austria AG
    Inventors: Andreas Meiser, Till Schloesser, Anton Mauder, Franz Hirler