Patents by Inventor Hyo Seob Yoon

Hyo Seob Yoon 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: 9935267
    Abstract: A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device may include a multi-layered insulating layer formed on a semiconductor substrate, on which a lower electrode is formed. The multi-layered insulating layer may include a first hole and a second hole, concentrically formed therein, to expose the lower electrode, wherein a diameter of the first hole is larger than a diameter of the second hole. A variable resistance material layer may be formed in the second hole to contact the lower electrode, and an upper electrode may be formed in the first hole to contact the variable resistance material layer.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: April 3, 2018
    Assignee: SK Hynix Inc.
    Inventors: Min Seok Kim, Hyo Seob Yoon
  • Patent number: 9859493
    Abstract: A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device may include a multi-layered insulating layer formed on a semiconductor substrate, on which a lower electrode is formed. The multi-layered insulating layer may include a first hole and a second hole, concentrically formed therein, to expose the lower electrode, wherein a diameter of the first hole is larger than a diameter of the second hole. A variable resistance material layer may be formed in the second hole to contact the lower electrode, and an upper electrode may be formed in the first hole to contact the variable resistance material layer.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 2, 2018
    Assignee: SK Hynix Inc.
    Inventors: Min Seok Kim, Hyo Seob Yoon
  • Publication number: 20160225989
    Abstract: A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device may include a multi-layered insulating layer formed on a semiconductor substrate, on which a lower electrode is formed. The multi-layered insulating layer may include a first hole and a second hole, concentrically formed therein, to expose the lower electrode, wherein a diameter of the first hole is larger than a diameter of the second hole. A variable resistance material layer may be formed in the second hole to contact the lower electrode, and an upper electrode may be formed in the first hole to contact the variable resistance material layer.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Min Seok KIM, Hyo Seob YOON
  • Publication number: 20160225985
    Abstract: A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device may include a multi-layered insulating layer formed on a semiconductor substrate, on which a lower electrode is formed. The multi-layered insulating layer may include a first hole and a second hole, concentrically formed therein, to expose the lower electrode, wherein a diameter of the first hole is larger than a diameter of the second hole. A variable resistance material layer may be formed in the second hole to contact the lower electrode, and an upper electrode may be formed in the first hole to contact the variable resistance material layer.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Min Seok KIM, Hyo Seob YOON
  • Patent number: 9337420
    Abstract: A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device may include a multi-layered insulating layer formed on a semiconductor substrate, on which a lower electrode is formed. The multi-layered insulating layer may include a first hole and a second hole, concentrically formed therein, to expose the lower electrode, wherein a diameter of the first hole is larger than a diameter of the second hole. A variable resistance material layer may be formed in the second hole to contact the lower electrode and an upper electrode may be formed in the first hole to contact the variable resistance material layer.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 10, 2016
    Assignee: SK Hynix Inc.
    Inventors: Min Seok Kim, Hyo Seob Yoon
  • Publication number: 20150207068
    Abstract: A resistive memory device and a fabrication method thereof are provided. The resistive memory device includes a bottom structure including a heating electrode, data storage materials, each of the data storage materials formed on the bottom structure in a confined structure perpendicular to the bottom structure, and having a lower diameter smaller than an upper diameter, an upper electrode formed on each of the data storage materials, and an insulation unit formed between adjacent data storage materials.
    Type: Application
    Filed: April 1, 2015
    Publication date: July 23, 2015
    Inventors: Han Woo CHO, Hyo Seob YOON, Yong Seok LEE
  • Patent number: 9024291
    Abstract: A resistive memory device and a fabrication method thereof are provided. The resistive memory device includes a bottom structure including a heating electrode, data storage materials, each of the data storage materials formed on the bottom structure in a confined structure perpendicular to the bottom structure, and having a lower diameter smaller than an upper diameter, an upper electrode formed on each of the data storage materials, and an insulation unit formed between adjacent data storage materials.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: May 5, 2015
    Assignee: SK Hynix Inc.
    Inventors: Han Woo Cho, Hyo Seob Yoon, Yong Seok Lee
  • Publication number: 20150090951
    Abstract: A semiconductor apparatus and a method of fabricating the same are provided. The method includes sequentially depositing a gate electrode material and a sacrificial insulating layer on a semiconductor substrate, patterning the gate electrode material and the sacrificial insulating layer to form one or more holes exposing a surface of the semiconductor substrate, forming a gate insulating layer on an inner sidewall of the hole, forming one or more pillar patterns each filled in the hole and recessed on a top thereof, forming a contact unit and an electrode unit on the pillar pattern, removing a patterned sacrificial insulating layer and forming a spacer nitride material on the semiconductor substrate from which the patterned sacrificial insulating layer is removed, and removing portions of the spacer nitride material and a patterned gate electrode material between the pillar patterns.
    Type: Application
    Filed: January 16, 2014
    Publication date: April 2, 2015
    Applicant: SK hynix Inc.
    Inventors: Min Seok KIM, Hyo Seob YOON
  • Patent number: 8975689
    Abstract: A semiconductor apparatus and a method of fabricating the same are provided. The method includes sequentially depositing a gate electrode material and a sacrificial insulating layer on a semiconductor substrate, patterning the gate electrode material and the sacrificial insulating layer to form one or more holes exposing a surface of the semiconductor substrate, forming a gate insulating layer on an inner sidewall of the hole, forming one or more pillar patterns each filled in the hole and recessed on a top thereof, forming a contact unit and an electrode unit on the pillar pattern, removing a patterned sacrificial insulating layer and forming a spacer nitride material on the semiconductor substrate from which the patterned sacrificial insulating layer is removed, and removing portions of the spacer nitride material and a patterned gate electrode material between the pillar patterns.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: March 10, 2015
    Assignee: SK Hynix Inc.
    Inventors: Min Seok Kim, Hyo Seob Yoon
  • Publication number: 20140374683
    Abstract: A variable resistance memory device and a method of manufacturing the same are provided. The variable resistance memory device may include a multi-layered insulating layer formed on a semiconductor substrate, on which a lower electrode is formed. The multi-layered insulating layer may include a first hole and a second hole, concentrically formed therein, to expose the lower electrode, wherein a diameter of the first hole is larger than a diameter of the second hole, A variable resistance material layer may be formed in the second hole to contact the lower electrode and an upper electrode may be formed in the first hole to contact the variable resistance material layer.
    Type: Application
    Filed: October 4, 2013
    Publication date: December 25, 2014
    Applicant: SK hynix Inc.
    Inventors: Min Seok KIM, Hyo Seob YOON
  • Patent number: 8916949
    Abstract: A resistive memory device and a method for manufacturing the same are provided. The resistive memory device includes a lower electrode, a variable resistive layer formed on the lower electrode and configured so that the volume thereof is contracted or expanded according to temperature, and an upper electrode formed on the variable resistive layer. At least a portion of the lower electrode is configured to be electrically connected to the upper electrode.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: December 23, 2014
    Assignee: SK Hynix Inc.
    Inventors: Hyo Seob Yoon, Han Woo Cho
  • Publication number: 20140319445
    Abstract: A resistive memory device and a fabrication method thereof are provided. The resistive memory device includes a bottom structure including a heating electrode, data storage materials, each of the data storage materials formed on the bottom structure in a confined structure perpendicular to the bottom structure, and having a lower diameter smaller than an upper diameter, an upper electrode formed on each of the data storage materials, and an insulation unit formed between adjacent data storage materials.
    Type: Application
    Filed: August 26, 2013
    Publication date: October 30, 2014
    Applicant: SK hynix Inc.
    Inventors: Han Woo CHO, Hyo Seob YOON, Yong Seok LEE
  • Publication number: 20140061571
    Abstract: A resistive memory device and a method for manufacturing the same are provided. The resistive memory device includes a lower electrode, a variable resistive layer formed on the lower electrode and configured so that the volume thereof is contracted or expanded according to temperature, and an upper electrode formed on the variable resistive layer. At least a portion of the lower electrode is configured to be electrically connected to the upper electrode.
    Type: Application
    Filed: December 18, 2012
    Publication date: March 6, 2014
    Applicant: SK hynix Inc.
    Inventors: Hyo Seob Yoon, Han Woo Cho
  • Patent number: 8384056
    Abstract: A phase change random access memory includes a semiconductor substrate, a switching device pattern formed on the semiconductor substrate, a bottom electrode contact pattern formed on the switching device pattern, a phase change layer pattern formed on the bottom electrode contact pattern, and an insulating layer disposed at a portion of an contact surface between the bottom electrode contact pattern and the phase change layer pattern.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: February 26, 2013
    Assignee: Hynix Semiconductor Inc.
    Inventors: Min Seok Kim, Hyo Seob Yoon
  • Publication number: 20110073830
    Abstract: A phase change random access memory includes a semiconductor substrate, a switching device pattern formed on the semiconductor substrate, a bottom electrode contact pattern formed on the switching device pattern, a phase change layer pattern formed on the bottom electrode contact pattern, and an insulating layer disposed at a portion of an contact surface between the bottom electrode contact pattern and the phase change layer pattern.
    Type: Application
    Filed: July 20, 2010
    Publication date: March 31, 2011
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventors: Min Seok KIM, Hyo Seob YOON
  • Patent number: 7741671
    Abstract: Disclosed is a capacitor for a semiconductor device, comprising: a lower electrode formed over a predetermined lower structure on a semiconductor substrate; an aluminum oxynitride film formed over the lower electrode and having a low leakage current characteristic; a yttrium oxynitride film formed over the aluminum oxynitride film and having a higher dielectric constant than the aluminum oxynitride film; and an upper electrode formed over the yttrium oxynitride film, and a manufacturing method thereof.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: June 22, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Pyeong Won Oh, Woo Jin Kim, Hoon Jung Oh, Hyo Gun Yoon, Hyo Seob Yoon, Baik II Choi
  • Patent number: 7655535
    Abstract: A method for fabricating a device isolation structure of a semiconductor device includes the steps of forming a pad oxide layer and a pad nitride layer over a semiconductor substrate including a cell region and a dummy region, etching a portion of the pad nitride layer, the pad oxide layer and the semiconductor substrate to form a trench, forming a sidewall oxide layer over the sidewalls of the trench; removing the sidewall oxide layer in the dummy region, forming a silicon nitride layer over the sidewalls of the sidewall oxide layer both in the cell region and in the dummy region, filling the trench with an insulating layer, polishing the insulating layer to expose the pad nitride layer, and removing the pad nitride layer.
    Type: Grant
    Filed: December 29, 2006
    Date of Patent: February 2, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hyo Seob Yoon, Woo Jin Kim, Ok Min Moon, Ji Yong Park
  • Publication number: 20090122461
    Abstract: Disclosed is a capacitor for a semiconductor device, comprising: a lower electrode formed over a predetermined lower structure on a semiconductor substrate; an aluminum oxynitride film formed over the lower electrode and having a low leakage current characteristic; a yttrium oxynitride film formed over the aluminum oxynitride film and having a higher dielectric constant than the aluminum oxynitride film; and an upper electrode formed over the yttrium oxynitride film, and a manufacturing method thereof.
    Type: Application
    Filed: January 22, 2009
    Publication date: May 14, 2009
    Applicant: Hynix Semiconductor Inc.
    Inventors: Pyeong Won OH, Woo Jin Kim, Hoon Jung Oh, Hyo Gun Yoon, Hyo Seob Yoon, Baik II Choi
  • Patent number: 7498628
    Abstract: Disclosed is a capacitor for a semiconductor device, comprising: a lower electrode formed over a predetermined lower structure on a semiconductor substrate; an aluminum oxynitride film formed over the lower electrode and having a low leakage current characteristic; a yttrium oxynitride film formed over the aluminum oxynitride film and having a higher dielectric constant than the aluminum oxynitride film; and an upper electrode formed over the yttrium oxynitride film, and a manufacturing method thereof.
    Type: Grant
    Filed: August 25, 2005
    Date of Patent: March 3, 2009
    Assignee: Hynix Semiconductor Inc.
    Inventors: Pyeong Won Oh, Woo Jin Kim, Hoon Jung Oh, Hyo Gun Yoon, Hyo Seob Yoon, Baik Il Choi
  • Patent number: RE43765
    Abstract: A method for fabricating a device isolation structure of a semiconductor device includes the steps of forming a pad oxide layer and a pad nitride layer over a semiconductor substrate including a cell region and a dummy region, etching a portion of the pad nitride layer, the pad oxide layer and the semiconductor substrate to form a trench, forming a sidewall oxide layer over the sidewalls of the trench; removing the sidewall oxide layer in the dummy region, forming a silicon nitride layer over the sidewalls of the sidewall oxide layer both in the cell region and in the dummy region, filling the trench with an insulating layer, polishing the insulating layer to expose the pad nitride layer, and removing the pad nitride layer.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: October 23, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventors: Hyo Seob Yoon, Woo Jin Kim, Ok Min Moon, Ji Yong Park