Patents by Inventor Dong-Kyun Sohn

Dong-Kyun Sohn 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: 9502413
    Abstract: A semiconductor device including source drain stressors is provided. The semiconductor device includes a gate structure including a gate insulating layer and a gate electrode on a semiconductor substrate. Gate spacers may be disposed on sidewalls of the gate structure and a stressor pattern including an impurity region is disposed on a side of the gate structure. The stressor pattern includes a protruded portion having a top surface higher than a bottom surface of the gate structure and a facet in the protruded portion. The facet is slanted at a predetermined angle with respect to an upper surface of the semiconductor substrate and forms a concave portion with one of the gate spacers. A blocking insulating layer may extend conformally on the stressor pattern and the gate spacers and an insulating wing pattern is disposed in the concave portion on the blocking insulating layer.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: November 22, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Se-Chan Lim, Sang-Pil Sim, Dong-Kyun Sohn, Su-Youn Yi
  • Patent number: 9425148
    Abstract: Semiconductor devices, and a method for fabricating the same, include an interlayer dielectric film pattern over a substrate, a first wiring within the interlayer dielectric film pattern and having a first length in a first direction, a second wiring within the interlayer dielectric film pattern and separated from the first wiring, and a spacer contacting the first wiring and the second wiring. The spacer electrically separates the first wiring and the second wiring from each other. The second wiring has a second length different from the first length in the first direction.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: August 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-Jun Kim, Hae-Wang Lee, Chul-Hong Park, Dong-Kyun Sohn, Jong-Shik Yoon
  • Publication number: 20150357329
    Abstract: A semiconductor device including source drain stressors is provided. The semiconductor device includes a gate structure including a gate insulating layer and a gate electrode on a semiconductor substrate. Gate spacers may be disposed on sidewalls of the gate structure and a stressor pattern including an impurity region is disposed on a side of the gate structure. The stressor pattern includes a protruded portion having a top surface higher than a bottom surface of the gate structure and a facet in the protruded portion. The facet is slanted at a predetermined angle with respect to an upper surface of the semiconductor substrate and forms a concave portion with one of the gate spacers. A blocking insulating layer may extend conformally on the stressor pattern and the gate spacers and an insulating wing pattern is disposed in the concave portion on the blocking insulating layer.
    Type: Application
    Filed: August 17, 2015
    Publication date: December 10, 2015
    Inventors: Se-Chan Lim, Sang-Pil Sim, Dong-Kyun Sohn, Su-Youn Yi
  • Patent number: 9147654
    Abstract: An integrated circuit system that includes: providing a substrate including front-end-of-line circuitry; forming a first conductive level including a first conductive trace over the substrate; forming a second conductive level spaced apart from the first conductive level and including a second conductive trace; and connecting the first conductive level to a third conductive level with a viabar that passes through the second conductive level without contacting the second conductive trace.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: September 29, 2015
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Haifeng Sheng, Fan Zhang, Juan Boon Tan, Bei Chao Zhang, Dong Kyun Sohn
  • Publication number: 20130320457
    Abstract: A semiconductor device including source drain stressors is provided. The semiconductor device includes a gate structure including a gate insulating layer and a gate electrode on a semiconductor substrate. Gate spacers may be disposed on sidewalls of the gate structure and a stressor pattern including an impurity region is disposed on a side of the gate structure. The stressor pattern includes a protruded portion having a top surface higher than a bottom surface of the gate structure and a facet in the protruded portion. The facet is slanted at a predetermined angle with respect to an upper surface of the semiconductor substrate and forms a concave portion with one of the gate spacers. A blocking insulating layer may extend conformally on the stressor pattern and the gate spacers and an insulating wing pattern is disposed in the concave portion on the blocking insulating layer.
    Type: Application
    Filed: June 4, 2013
    Publication date: December 5, 2013
    Inventors: Se-Chan Lim, Sang-Pil Sim, Dong-Kyun Sohn, Su-Youn Yi
  • Publication number: 20130248990
    Abstract: Semiconductor devices, and a method for fabricating the same, include an interlayer dielectric film pattern over a substrate, a first wiring within the interlayer dielectric film pattern and having a first length in a first direction, a second wiring within the interlayer dielectric film pattern and separated from the first wiring, and a spacer contacting the first wiring and the second wiring. The spacer electrically separates the first wiring and the second wiring from each other. The second wiring has a second length different from the first length in the first direction.
    Type: Application
    Filed: December 18, 2012
    Publication date: September 26, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-Jun KIM, Hae-Wang LEE, Chul-Hong PARK, Dong-Kyun SOHN, Jong-Shik YOON
  • Publication number: 20130034954
    Abstract: An integrated circuit method for manufacturing an integrated circuit system including loading a wafer into a processing chamber and pre-purging the processing chamber with a first ammonia gas. Depositing a first nitride layer over the wafer and purging the processing chamber with a second ammonia gas. Depositing a second nitride layer over the first nitride layer that is misaligned with the first nitride layer. Post-purging the processing chamber with a third ammonia gas and purging the processing chamber with a nitrogen gas.
    Type: Application
    Filed: October 8, 2012
    Publication date: February 7, 2013
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Sripad Sheshagiri Nagarad, Hwa Weng Koh, Dong Kyun Sohn, Xiaoyu Chen, Louis Lim, Sung Mun Jung, Chiew Wah Yap, Pradeep Ramachandramurthy Yelehanka, Nitin Kamat
  • Patent number: 8358007
    Abstract: A method of manufacture of an integrated circuit system includes: fabricating a substrate having an integrated circuit; applying a low-K dielectric layer over the integrated circuit; forming a via and a trench, in the low-K dielectric layer, over the integrated circuit; forming a structure surface by a chemical-mechanical planarization (CMP) process; and applying a direct implant to the structure surface for forming an implant layer and a metal passivation layer including repairing damage, to the low-K dielectric layer, caused by the CMP process.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: January 22, 2013
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Dong Kyun Sohn, Wuping Liu, Fan Zhang, Juan Boon Tan, Jing Hui Li, Bei Chao Zhang, Luying Du, Wei Liu, Yeow Kheng Lim
  • Patent number: 8283263
    Abstract: An integrated circuit method for manufacturing an integrated circuit system including loading a wafer into a processing chamber and pre-purging the processing chamber with a first ammonia gas. Depositing a first nitride layer over the wafer and purging the processing chamber with a second ammonia gas. Depositing a second nitride layer over the first nitride layer that is misaligned with the first nitride layer. Post-purging the processing chamber with a third ammonia gas and purging the processing chamber with a nitrogen gas.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: October 9, 2012
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Sripad Sheshagiri Nagarad, Hwa Weng Koh, Dong Kyun Sohn, Xiaoyu Chen, Louis Lim, Sung Mun Jung, Chiew Wah Yap, Pradeep Ramachandramurthy Yelehanka, Nitin Kamat
  • Patent number: 8034670
    Abstract: A method of forming a semiconductor device is presented. A substrate prepared with a second gate is provided. The second gate is processed to form a second gate with a rounded corner and a first gate is formed on the substrate. The first gate is adjacent to and overlaps a portion of the second gate and the rounded corner.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: October 11, 2011
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Timothy Phua, Bangun Indajang, Dong Kyun Sohn
  • Patent number: 8008744
    Abstract: A first example embodiment comprises the following steps and the structure formed therefrom. A trench having opposing sidewalls is formed within a substrate. A stress layer having an inherent stress is formed over the opposing trench sidewalls. The stress layer having stress layer sidewalls over the trench sidewalls. Ions are implanted into one or more portions of the stress layer to form ion-implanted relaxed portions with the portions of the stress layer that are not implanted are un-implanted portions, whereby the inherent stress of the one or more ion-implanted relaxed portions of stress layer portions is relaxed.
    Type: Grant
    Filed: May 31, 2010
    Date of Patent: August 30, 2011
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Lee Wee Teo, Shiang Yang Ong, Jae Gon Lee, Vincent Leong, Elgin Quek, Dong Kyun Sohn
  • Patent number: 7888214
    Abstract: A structure and method of fabrication of a semiconductor device, where a stress layer is formed over a MOS transistor to put either tensile stress or compressive stress on the channel region. The parameters such as the location and area of the contact hole thru the stress layer are chosen to produce a desired amount of stress to improve device performance. In an example embodiment for a tensile stress layer, the PMOS S/D contact area is larger than the NMOS S/D contact area so the tensile stress on the PMOS channel is less than the tensile stress on the NMOS channel. In an example embodiment for a compressive stress layer, the NMOS contact area is larger than the PMOS contact area so that the compressive stress on the NMOS channel is less than the compressive stress on the PMOS channel.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: February 15, 2011
    Assignee: GLOBALFOUNDRIES Singapore Pte. Ltd.
    Inventors: Lee Wee Teo, Elgin Quek, Dong Kyun Sohn
  • Publication number: 20100314763
    Abstract: A method of manufacture of an integrated circuit system includes: fabricating a substrate having an integrated circuit; applying a low-K dielectric layer over the integrated circuit; forming a via and a trench, in the low-K dielectric layer, over the integrated circuit; forming a structure surface by a chemical-mechanical planarization (CMP) process; and applying a direct implant to the structure surface for forming an implant layer and a metal passivation layer including repairing damage, to the low-K dielectric layer, caused by the CMP process.
    Type: Application
    Filed: June 8, 2010
    Publication date: December 16, 2010
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Dong Kyun Sohn, Wuping Liu, Fan Zhang, Juan Boon Tan, Jing Hui Li, Bei Chao Zhang, Luying Du, Wei Liu, Yeow Kheng Lim
  • Publication number: 20100230777
    Abstract: A first example embodiment comprises the following steps and the structure formed therefrom. A trench having opposing sidewalls is formed within a substrate. A stress layer having an inherent stress is formed over the opposing trench sidewalls. The stress layer having stress layer sidewalls over the trench sidewalls. Ions are implanted into one or more portions of the stress layer to form ion-implanted relaxed portions with the portions of the stress layer that are not implanted are un-implanted portions, whereby the inherent stress of the one or more ion-implanted relaxed portions of stress layer portions is relaxed.
    Type: Application
    Filed: May 31, 2010
    Publication date: September 16, 2010
    Applicant: GLOBALFOUNDRIES SINGAPORE PTE. LTD.
    Inventors: Lee Wee TEO, Shiang Yang ONG, Jae Gon LEE, Vincent LEONG, Elgin QUEK, Dong Kyun SOHN
  • Publication number: 20100230744
    Abstract: A method of forming a semiconductor device is presented. A substrate prepared with a second gate is provided. The second gate is processed to form a second gate with a rounded corner and a first gate is formed on the substrate. The first gate is adjacent to and overlaps a portion of the second gate and the rounded corner.
    Type: Application
    Filed: March 11, 2009
    Publication date: September 16, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Timothy Phua, Bangun Indajang, Dong Kyun Sohn
  • Patent number: 7727856
    Abstract: A first example embodiment comprises the following steps and the structure formed therefrom. A trench having opposing sidewalls is formed within a substrate. A stress layer having an inherent stress is formed over the opposing trench sidewalls. The stress layer having stress layer sidewalls over the trench sidewalls. Ions are implanted into one or more portions of the stress layer to form ion-implanted relaxed portions with the portions of the stress layer that are not implanted are un-implanted portions, whereby the inherent stress of the one or more ion-implanted relaxed portions of stress layer portions is relaxed.
    Type: Grant
    Filed: December 24, 2006
    Date of Patent: June 1, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Lee Wee Teo, Shiang Yang Ong, Jae Gon Lee, Vincent Leong, Elgin Quek, Dong Kyun Sohn
  • Patent number: 7645687
    Abstract: An embodiment of fabrication of a variable work function gates in a FUSI device is described. The embodiment uses a work function doping implant to dope the polysilicon to achieve a desired work function. Selective epitaxy growth (SEG) is used to form silicon over the source/drain regions. The doped poly-Si gate is fully silicided to form fully silicided gates that have a desired work function. We provide a substrate having a NMOS region and a PMOS region. We form a gate dielectric layer and a gate layer over said substrate. We perform a (gate Vt) gate layer implant process to implant impurities such as P+, As+, B+, BF2+, N+, Sb+, In+, C+, Si+, Ge+ or Ar+ into the gate layer gate in the NMOS gate regions and said PMOS gate regions. We form a cap layer over said gate layer. We pattern said cap layer, said gate layer and said gate dielectric layer to form a NMOS gate and a PMOS gate. Spacers are formed and S/D regions are formed. A metal is deposited over said substrate surface.
    Type: Grant
    Filed: January 20, 2005
    Date of Patent: January 12, 2010
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Yung Fu Chong, Dong Kyun Sohn, Chew-Hue Ang, Purakh Raj Vermo, Liang Choo Hsia
  • Publication number: 20100001370
    Abstract: An integrated circuit system that includes: providing a substrate including front-end-of-line circuitry; forming a first conductive level including a first conductive trace over the substrate; forming a second conductive level spaced apart from the first conductive level and including a second conductive trace; and connecting the first conductive level to a third conductive level with a viabar that passes through the second conductive level without contacting the second conductive trace.
    Type: Application
    Filed: July 7, 2008
    Publication date: January 7, 2010
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING LTD.
    Inventors: Haifeng Sheng, Fan Zhang, Juan Boon Tan, Bei Chao Zhang, Dong Kyun Sohn
  • Patent number: 7585746
    Abstract: In an non-limiting example, we provide a substrate having a cell region, and non-cell regions. We form a tunneling dielectric layer, a charge storing layer, a top insulating layer (e.g., ONO), over the substrate. Then we form a conductive pad layer over the top insulating layer. We form isolation trenches in the pad layer, the charge storing layer and the tunneling dielectric layer and into the substrate. We form isolation regions in the isolation trenches. We remove the pad layer, charge storing layer and the tunneling dielectric layer in the non-cell regions. We form a gate layer over the pad layer and the substrate surface. We complete to form the memory (e.g., SONOS) device in the cell region and other devices in the non-cell regions of the substrate.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: September 8, 2009
    Assignee: Chartered Semiconductor Manufacturing, Ltd.
    Inventors: Sung Mun Jung, Yoke Leng Louis Lim, Sripad Nagarad, Dong Kyun Sohn, Dong Hua Liu, Xiao Yu Chen, Rachel Low
  • Publication number: 20090023280
    Abstract: Structures and methods of fabricating of a floating gate non-volatile memory device. In a first example embodiment, We form a bottom tunnel layer comprised of a lower oxide tunnel layer and a upper hafnium oxide tunnel layer; a charge storage layer comprised of a tantalum oxide and a top blocking layer preferably comprised of a lower hafnium oxide storage layer and an upper oxide storage layer. We form a gate electrode over the top blocking layer. We pattern the layers to form a gate structure and form source/drain regions to complete the memory device. In a second example embodiment, we form a floating gate non-volatile memory device comprised of: a bottom tunnel layer comprised essentially of silicon oxide; a charge storage layer comprised of a tantalum oxide; a top blocking layer comprised essentially of silicon oxide; and a gate electrode. The embodiments also comprise anneals and nitridation steps.
    Type: Application
    Filed: October 1, 2008
    Publication date: January 22, 2009
    Applicant: CHARTERED SEMICONDUCTOR MANUFACTURING, LTD.
    Inventors: Chew-Hoe ANG, Dong Kyun SOHN, Liang Choo HSIA