Patents by Inventor Jan Hoentschel

Jan Hoentschel 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: 9412848
    Abstract: The present disclosure provides a method of forming a semiconductor device and a semiconductor device. An SOI substrate portion having a semiconductor layer, a buried insulating material layer and a bulk substrate is provided, wherein the buried insulating material layer is interposed between the semiconductor layer and the bulk substrate. The SOI substrate portion is subsequently patterned so as to form a patterned bi-layer stack on the bulk substrate, which bi-layer stack comprises a patterned semiconductor layer and a patterned buried insulating material layer. The bi-layer stack is further enclosed with a further insulating material layer and an electrode material is formed on and around the further insulating material layer. Herein a gate electrode is formed by the bulk substrate and the electrode material such that the gate electrode substantially surrounds a channel portion formed by a portion of the patterned buried insulating material layer.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 9, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Ralf Richter, Peter Javorka, Jan Hoentschel, Stefan Flachowsky
  • Patent number: 9406565
    Abstract: Methods for fabricating an integrated circuit are provided herein. In an embodiment, a method for fabricating an integrated circuit includes forming a gate electrode structure overlying a semiconductor substrate. A first sacrificial oxide layer is formed overlying the semiconductor substrate and a first implant mask is patterned overlying the first sacrificial oxide layer to expose a portion of the first sacrificial oxide layer adjacent the gate electrode structure. Conductivity determining ions are implanted into the semiconductor substrate, through the first sacrificial oxide layer. The first implant mask and the first sacrificial oxide layer are removed after implanting the conductivity determining ions into the semiconductor substrate.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 2, 2016
    Assignee: GLOBALFOUNDRIES, INC.
    Inventors: Peter Javorka, Ralf Richter, Jan Hoentschel
  • Patent number: 9396950
    Abstract: In aspects of the present invention, a method of forming a semiconductor device is disclosed, wherein amorphous regions are formed at an early stage during fabrication and the amorphous regions are conserved during subsequent processing sequences, and an intermediate semiconductor device structure with amorphous regions are provided at an early stage during fabrication. Herein a gate structure is provided over a semiconductor substrate and amorphous regions are formed adjacent the gate structure. Source/drain extension regions or source/drain regions are formed in the amorphous regions. In some illustrative embodiments, fluorine may be implanted into the amorphous regions. After the source/drain extension regions and/or the source/drain regions are formed, a rapid thermal anneal process is performed.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: July 19, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Nicolas Sassiat, Jan Hoentschel, Torben Balzer, Alban Zaka
  • Publication number: 20160204129
    Abstract: A method of manufacturing a semiconductor device including a capacitor structure is provided, including the steps of providing an SOI wafer comprising a substrate, a buried oxide (BOX) layer formed over the substrate and a semiconductor layer formed over the BOX layer, removing the semiconductor layer in a first region of the wafer to expose the BOX layer, forming a dielectric layer over the exposed BOX layer in the first region, and forming a conductive layer over the dielectric layer. Moreover, a semiconductor device including a capacitor formed on a wafer is provided, wherein the capacitor comprises a first capacitor electrode comprising a doped semiconductor substrate of the wafer, a capacitor insulator comprising an ultra-thin BOX layer of the wafer and a high-k dielectric layer formed on the ultra-thin BOX layer, and a second capacitor electrode comprising a conductive layer formed over the high-k dielectric layer.
    Type: Application
    Filed: January 14, 2015
    Publication date: July 14, 2016
    Inventors: Jan Hoentschel, Peter Baars, Hans-Peter Moll
  • Publication number: 20160204128
    Abstract: A method of forming a semiconductor device structure includes providing a substrate with a semiconductor-on-insulator (SOI) configuration, the SOI substrate comprising a semiconductor layer formed on a buried oxide (BOX) layer which is disposed on a semiconductor bulk substrate, forming trench isolation structures delineating a first region and a second region within the SOI substrate, removing the semiconductor layer and the BOX layer in the first region for exposing the semiconductor bulk substrate within the first region, forming a first semiconductor device with an electrode in and over the exposed semiconductor bulk substrate in the first region, forming a second semiconductor device in the second region, the second semiconductor device comprising a gate structure disposed over the semiconductor layer and the BOX layer in the second region, and performing a polishing process for defining a common height level to which the electrode and the gate structure substantially extend.
    Type: Application
    Filed: January 8, 2015
    Publication date: July 14, 2016
    Inventors: Peter Baars, Hans-Peter Moll, Jan Hoentschel
  • Publication number: 20160204038
    Abstract: Methods for fabricating integrated circuits are provided. In an embodiment, a method for fabricating an integrated circuit includes providing a structure having an n-channel gate stack and a p-channel gate stack formed over a semiconductor substrate. The method includes forming halo implant regions in the semiconductor substrate adjacent the p-channel gate stack and forming extension implant regions in the semiconductor substrate adjacent the p-channel gate stack. The method further includes annealing the halo implant regions and the extension implant regions in the semiconductor substrate adjacent the p-channel gate stack. Also, the method forms extension implant regions in the semiconductor substrate adjacent the n-channel gate stack.
    Type: Application
    Filed: March 18, 2016
    Publication date: July 14, 2016
    Inventors: Alban Zaka, Ran Yan, El Mehdi Bazizi, Jan Hoentschel
  • Patent number: 9391156
    Abstract: A method of manufacturing a semiconductor device is provided, including forming a gate electrode of a dummy transistor device on a semiconductor substrate, forming a high-k material layer over and adjacent to the gate electrode and forming a metal layer on the high-k material layer over and adjacent to the gate electrode to form a capacitor.
    Type: Grant
    Filed: August 28, 2014
    Date of Patent: July 12, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Hans-Peter Moll, Peter Baars, Jan Hoentschel
  • Patent number: 9391176
    Abstract: The present disclosure provides, in various aspects of the present disclosure, a semiconductor device which includes a semiconductor stack disposed over a surface of a substrate and a gate structure partially formed over an upper surface and two opposing sidewall surfaces of the semiconductor stack, wherein the semiconductor stack includes an alternating arrangement of at least two layers formed by a first semiconductor material and a second semiconductor material which is different from the first semiconductor material.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: July 12, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Stefan Flachowsky, Jan Hoentschel, Ralf Richter, Peter Javorka
  • Patent number: 9385232
    Abstract: The present disclosure provides in some aspects a semiconductor device and a method of forming a semiconductor device. According to some illustrative embodiments herein, the semiconductor device includes an active region formed in a semiconductor substrate, a gate structure disposed over the active region, source/drain regions formed in the active region in alignment with the gate structure, and an insulating material region buried into the active region under the gate structure, wherein the insulating material region is surrounded by the active region and borders a channel region in the active region below the gate structure along a depth direction of the active region.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: July 5, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Hans-Peter Moll, Peter Baars, Jan Hoentschel
  • Patent number: 9373720
    Abstract: The present invention relates to a semiconductor structure comprising at least a first and a second three-dimensional transistor, wherein the first transistor and the second transistor are electrically connected in parallel to each other, and wherein each transistor comprises a source and a drain, wherein the source and/or drain of the first transistor is at least partially separated from, respectively, the source and/or drain of the second transistor. The invention further relates to a process for realizing such a semiconductor structure.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: June 21, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Stefan Flachowsky, Jan Hoentschel, Ralf Richter, Peter Javorka
  • Patent number: 9373509
    Abstract: A method to implant dopants onto fin-type field-effect-transistor (FINFET) fin surfaces with uniform concentration and depth levels of the dopants and the resulting device are disclosed. Embodiments include a method for pulsing a dopant perpendicular to an upper surface of a substrate, forming an implantation beam pulse; applying an electric or a magnetic field to the implantation beam pulse to effectuate a curvilinear trajectory path of the implantation beam pulse; and implanting the dopant onto a sidewall surface of a target FINFET fin on the upper surface of the substrate via the curvilinear trajectory path of the implantation beam pulse.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: June 21, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ralf Richter, Stefan Flachowsky, Peter Javorka, Jan Hoentschel
  • Publication number: 20160163815
    Abstract: The present disclosure provides in one aspect for a semiconductor device structure which may be formed by providing source/drain regions within a semiconductor substrate in alignment with a gate structure formed over the semiconductor substrate, wherein the gate structure has a gate electrode structure, a first sidewall spacer and a second sidewall spacer, the first sidewall spacer covering sidewall surfaces of the gate electrode structure and the sidewall spacer being formed on the first sidewall spacer. Furthermore, forming the semiconductor device structure may include removing the second sidewall spacer so as to expose the first sidewall spacer, forming a third sidewall spacer on a portion of the first sidewall spacer such that the first sidewall spacer is partially exposed, and forming silicide regions in alignment with the third sidewall spacer in the source/drain regions.
    Type: Application
    Filed: April 23, 2015
    Publication date: June 9, 2016
    Inventors: Jan Hoentschel, Stefan Flachowsky, Ralf Richter, Peter Javorka
  • Publication number: 20160141393
    Abstract: A method includes forming a plurality of fins in a semiconductor substrate using a common patterning process. A conductive layer is formed above the plurality of fins. A mask is formed above the conductive layer. The conductive layer is etched using the mask to define trenches in the conductive layer. A first insulating layer is formed above the conductive layer and in the trenches. First and second contacts are formed connected to respective ends of the conductive layer.
    Type: Application
    Filed: January 21, 2016
    Publication date: May 19, 2016
    Inventors: Jan Hoentschel, Stefan Flachowsky, Andreas Kurz, Sven Beyer, Wolfgang Buchholtz
  • Patent number: 9343374
    Abstract: Forming a poly-Si device including pulling back spacers prior to silicidation and the resulting device are provided. Embodiments include forming two poly-Si gate stacks on an upper surface of a substrate; forming a hardmask over the second poly-Si gate stack; forming eSiGe with a silicon cap at opposite sides of the first poly-Si gate stack; removing the hardmask; forming nitride spacers at opposite sides of each of the poly-Si gate stacks; forming deep source/drain regions at opposite sides of the second poly-Si gate stack; forming a wet gap fill layer around each of the poly-Si gate stacks to a thickness less than the poly-Si gate stack height from the substrate's upper surface; removing an upper portion of the nitride spacers down to the height of the wet gap fill layer followed by removing the wet gap fill layer; and performing silicidation of the deep source/drain regions and the silicon cap.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: May 17, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Jan Hoentschel, Peter Javorka, Stefan Flachowsky, Ralf Richter
  • Publication number: 20160126146
    Abstract: Forming a poly-Si device including pulling back spacers prior to silicidation and the resulting device are provided. Embodiments include forming two poly-Si gate stacks on an upper surface of a substrate; forming a hardmask over the second poly-Si gate stack; forming eSiGe with a silicon cap at opposite sides of the first poly-Si gate stack; removing the hardmask; forming nitride spacers at opposite sides of each of the poly-Si gate stacks; forming deep source/drain regions at opposite sides of the second poly-Si gate stack; forming a wet gap fill layer around each of the poly-Si gate stacks to a thickness less than the poly-Si gate stack height from the substrate's upper surface; removing an upper portion of the nitride spacers down to the height of the wet gap fill layer followed by removing the wet gap fill layer; and performing silicidation of the deep source/drain regions and the silicon cap.
    Type: Application
    Filed: October 29, 2014
    Publication date: May 5, 2016
    Inventors: Jan HOENTSCHEL, Peter JAVORKA, Stefan FLACHOWSKY, Ralf RICHTER
  • Publication number: 20160118499
    Abstract: The present disclosure provides in some aspects a semiconductor device and a method of forming a semiconductor device. According to some illustrative embodiments herein, the semiconductor device includes an active region formed in a semiconductor substrate, a gate structure disposed over the active region, source/drain regions formed in the active region in alignment with the gate structure, and an insulating material region buried into the active region under the gate structure, wherein the insulating material region is surrounded by the active region and borders a channel region in the active region below the gate structure along a depth direction of the active region.
    Type: Application
    Filed: October 23, 2014
    Publication date: April 28, 2016
    Inventors: Hans-Peter Moll, Peter Baars, Jan Hoentschel
  • Publication number: 20160118483
    Abstract: The present disclosure provides, in various aspects of the present disclosure, a semiconductor device which includes a semiconductor stack disposed over a surface of a substrate and a gate structure partially formed over an upper surface and two opposing sidewall surfaces of the semiconductor stack, wherein the semiconductor stack includes an alternating arrangement of at least two layers formed by a first semiconductor material and a second semiconductor material which is different from the first semiconductor material.
    Type: Application
    Filed: October 23, 2014
    Publication date: April 28, 2016
    Inventors: Stefan Flachowsky, Jan Hoentschel, Ralf Richter, Peter Javorka
  • Patent number: 9324868
    Abstract: FinFET devices with epitaxially grown fins and methods for fabricating them are provided. Embodiments include forming at least two shallow trench isolation (STI) regions, filled with dielectric material, adjacent to but separate from each other in a silicon substrate; epitaxially growing a silicon-based layer between each adjacent pair of STI regions to form a fin with a non-rectangular cross-section extending from each STI region to each adjacent STI region; forming a gate oxide over and perpendicular to each fin; and forming a gate electrode over the gate oxide to form a FinFET.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: April 26, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ran Ruby Yan, Ralf Richter, Jan Hoentschel, Hans-Jurgen Thees
  • Patent number: 9324831
    Abstract: Methods for forming gates without spacers and the resulting devices are disclosed. Embodiments may include forming a channel layer on a substrate; forming a dummy gate on the channel layer; forming an interlayer dielectric (ILD) on the channel layer and surrounding the dummy gate; forming a trench within the ILD and the channel layer by removing the dummy gate and the channel layer below the dummy gate; forming an un-doped channel region at the bottom of the trench; and forming a gate above the un-doped channel region within the trench.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: April 26, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Gerd Zschätzsch, Stefan Flachowsky, Jan Hoentschel
  • Patent number: 9324869
    Abstract: The present disclosure provides, in various aspects, a method of forming a semiconductor device and accordingly formed semiconductor devices. In accordance with some illustrative embodiments herein, a fin is provided in an upper surface of a substrate, the fin having a height dimension and an initial width dimension. After forming a mask on the fin, wherein the mask only partially covers an upper surface of the fin, the fin is exposed to an etch process for removing material in accordance with the mask such that a channel portion connecting end portions of the fin is formed. Herein, a width dimension of the channel portion is smaller than a width dimension of the end portions. In accordance with some illustrative embodiments of the present disclosure, the channel portion may substantially have a cross-section of one of a triangular shape and a double-sigma shape.
    Type: Grant
    Filed: February 4, 2015
    Date of Patent: April 26, 2016
    Assignee: GLOBALFOUNDRIES Inc.
    Inventors: Ran Yan, Alban Zaka, Jan Hoentschel