Patents by Inventor Byung-Jick CHO

Byung-Jick CHO 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: 11950522
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: April 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Myoung Sub Kim, Tae Hoon Kim, Beom Seok Lee, Seung Yun Lee, Hwan Jun Zang, Byung Jick Cho, Ji Sun Han
  • Patent number: 11882775
    Abstract: An electronic device comprises a semiconductor memory that includes: a first line; a second line disposed over the first line to be spaced apart from the first line; a variable resistance layer disposed between the first line and the second line; a first electrode layer disposed between the first line and the variable resistance layer; and a first oxide layer disposed between the variable resistance layer and the first electrode layer. The first electrode layer includes a first carbon material doped with a first element, and the first oxide layer includes a first oxide of the first element.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: January 23, 2024
    Assignee: SK hynix Inc.
    Inventors: Ji Sun Han, Yong Hun Sung, Byung Jick Cho
  • Patent number: 11864476
    Abstract: An electronic device comprises a semiconductor memory that includes: a first line; a second line disposed over the first line to be spaced apart from the first line; a variable resistance layer disposed between the first line and the second line; a selection element layer disposed between the first line and the variable resistance layer or between the second line and the variable resistance layer; and one or more electrode layers disposed over or under the selection element layer or disposed over and under the selection element layer, the one or more electrode layers being adjacent to the selection element layer, wherein each of the one or more electrode layers includes a first electrode layer and a second electrode layer, the second electrode layer including a second carbon layer containing nitrogen, the first electrode layer including a first carbon layer containing a lower concentration of nitrogen or containing no nitrogen.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: January 2, 2024
    Assignee: SK hynix Inc.
    Inventors: Byung Jick Cho, Yong Hun Sung, Ji Sun Han
  • Publication number: 20220328762
    Abstract: An electronic device comprises a semiconductor memory that includes: a first line; a second line disposed over the first line to be spaced apart from the first line; a variable resistance layer disposed between the first line and the second line; a first electrode layer disposed between the first line and the variable resistance layer; and a first oxide layer disposed between the variable resistance layer and the first electrode layer. The first electrode layer includes a first carbon material doped with a first element, and the first oxide layer includes a first oxide of the first element.
    Type: Application
    Filed: September 3, 2021
    Publication date: October 13, 2022
    Inventors: Ji Sun HAN, Yong Hun SUNG, Byung Jick CHO
  • Publication number: 20220320427
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Application
    Filed: June 22, 2022
    Publication date: October 6, 2022
    Inventors: Myoung Sub KIM, Tae Hoon KIM, Beom Seok LEE, Seung Yun LEE, Hwan Jun ZANG, Byung Jick CHO, Ji Sun HAN
  • Publication number: 20220310916
    Abstract: An electronic device comprises a semiconductor memory that includes: a first line; a second line disposed over the first line to be spaced apart from the first line; a variable resistance layer disposed between the first line and the second line; a selection element layer disposed between the first line and the variable resistance layer or between the second line and the variable resistance layer; and one or more electrode layers disposed over or under the selection element layer or disposed over and under the selection element layer, the one or more electrode layers being adjacent to the selection element layer, wherein each of the one or more electrode layers includes a first electrode layer and a second electrode layer, the second electrode layer including a second carbon layer containing nitrogen, the first electrode layer including a first carbon layer containing a lower concentration of nitrogen or containing no nitrogen.
    Type: Application
    Filed: July 7, 2021
    Publication date: September 29, 2022
    Inventors: Byung Jick CHO, Yong Hun SUNG, Ji Sun HAN
  • Patent number: 11430952
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: August 30, 2022
    Assignee: SK hynix Inc.
    Inventors: Myoung Sub Kim, Tae Hoon Kim, Beom Seok Lee, Seung Yun Lee, Hwan Jun Zang, Byung Jick Cho, Ji Sun Han
  • Publication number: 20210280781
    Abstract: A method for manufacturing an electronic device including a semiconductor memory may include forming a first carbon electrode material, surface-treating the first carbon electrode material to decrease a surface roughness of the first carbon electrode material, and forming a second carbon electrode material on the treated surface of the first carbon electrode material. The second carbon electrode material may have a thickness that is greater than a thickness of the first carbon electrode material.
    Type: Application
    Filed: August 4, 2020
    Publication date: September 9, 2021
    Inventors: Myoung Sub KIM, Tae Hoon KIM, Beom Seok LEE, Seung Yun LEE, Hwan Jun ZANG, Byung Jick CHO, Ji Sun HAN
  • Patent number: 9520186
    Abstract: A semiconductor memory may include: a first stacked structure including a first word line disposed over a substrate and extended in a first direction, a first bit line disposed over the first word line and extended in a second direction crossing the first direction, and a first variable resistance layer interposed between the first word line and the first bit line; and a second stacked structure including a second bit line disposed over the first stacked structure and extended in the second direction, a second word line disposed over the second bit line and extended in the first direction, and a second variable resistance layer interposed between the second word line and the second bit line; and a first selecting element layer interposed between the first bit line and the second bit line.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: December 13, 2016
    Assignee: SK HYNIX INC.
    Inventors: Hyo-June Kim, Ja-Chun Ku, Sung-Kyu Min, Seung-Beom Baek, Byung-Jick Cho, Won-Ki Ju, Hyun-Kyu Kim, Jong-Chul Lee
  • Patent number: 9418008
    Abstract: An electronic device includes a semiconductor memory unit. The semiconductor memory unit includes a plurality of first lines extending in a first direction, a plurality of second lines extending in a second direction intersecting the first direction, and a plurality of variable resistance patterns that is positioned at intersections of the first lines and the second lines and disposed between the first lines and the second lines in a vertical direction. Each of the variable resistance patterns has an elongated shape in a plan view and a portion of each of the variable resistance patterns is disposed outside a region in which a corresponding first line and a corresponding second line overlap with each other.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: August 16, 2016
    Assignee: SK HYNIX INC.
    Inventors: Kyoo-Ho Jung, Byung-Jick Cho, Jong-Chul Lee, Won-Ki Ju
  • Publication number: 20160005462
    Abstract: An electronic device includes a semiconductor memory unit. The semiconductor memory unit includes a plurality of first lines extending in a first direction, a plurality of second lines extending in a second direction intersecting the first direction, and a plurality of variable resistance patterns that is positioned at intersections of the first lines and the second lines and disposed between the first lines and the second lines in a vertical direction. Each of the variable resistance patterns has an elongated shape in a plan view and a portion of each of the variable resistance patterns is disposed outside a region in which a corresponding first line and a corresponding second line overlap with each other.
    Type: Application
    Filed: October 24, 2014
    Publication date: January 7, 2016
    Inventors: Kyoo-Ho JUNG, Byung-Jick CHO, Jong-Chul LEE, Won-Ki JU
  • Patent number: 9105840
    Abstract: According to embodiments, a semiconductor memory may include: a variable resistance pattern disposed over a substrate and extended in a first direction; first and second structures including a plurality of interlayer dielectric layers and a plurality of conductive layers which are alternately stacked over the substrate, and contacted with one side surface and the other side surface of the variable resistance pattern, respectively, wherein the first stacked structure has a line shape extended in a first direction and the second stacked structure has a pillar shape; and a pillar-shaped conductive pattern contacted with one side surface of the second stacked structure, which is not contacted with the variable resistance pattern.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: August 11, 2015
    Assignee: SK HYNIX INC.
    Inventors: Jong-Chul Lee, Ja-Chun Ku, Sung-Kyu Min, Byung-Jick Cho, Seung-Beom Baek, Hyo-June Kim, Won-Ki Ju, Hyun-Kyu Kim
  • Publication number: 20150085559
    Abstract: According to embodiments, a semiconductor memory may include: a variable resistance pattern disposed over a substrate and extended in a first direction; first and second structures including a plurality of interlayer dielectric layers and a plurality of conductive layers which are alternately stacked over the substrate, and contacted with one side surface and the other side surface of the variable resistance pattern, respectively, wherein the first stacked structure has a line shape extended in a first direction and the second stacked structure has a pillar shape; and a pillar-shaped conductive pattern contacted with one side surface of the second stacked structure, which is not contacted with the variable resistance pattern.
    Type: Application
    Filed: March 6, 2014
    Publication date: March 26, 2015
    Applicant: SK HYNIX INC.
    Inventors: Jong-Chul LEE, Ja-Chun KU, Sung-Kyu MIN, Byung-Jick CHO, Seung-Beom BAEK, Hyo-June KIM, Won-Ki JU, Hyun-Kyu KIM
  • Publication number: 20150089087
    Abstract: A semiconductor memory may include: a first stacked structure including a first word line disposed over a substrate and extended in a first direction, a first bit line disposed over the first word line and extended in a second direction crossing the first direction, and a first variable resistance layer interposed between the first word line and the first bit line; and a second stacked structure including a second bit line disposed over the first stacked structure and extended in the second direction, a second word line disposed over the second bit line and extended in the first direction, and a second variable resistance layer interposed between the second word line and the second bit line; and a first selecting element layer interposed between the first bit line and the second bit line.
    Type: Application
    Filed: February 7, 2014
    Publication date: March 26, 2015
    Applicant: SK HYNIX INC.
    Inventors: Hyo-June KIM, Ja-Chun KU, Sung-Kyu MIN, Seung-Beom BAEK, Byung-Jick CHO, Won-Ki JU, Hyun-Kyu KIM, Jong-Chul LEE