Patents by Inventor Won Seok Cho

Won Seok 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).

  • Publication number: 20170236559
    Abstract: A vertical non-volatile memory device includes a substrate, and a first stack of word lines and a second stack of word lines extending in a first direction on the substrate and separated from each other in a second direction perpendicular to the first direction. The device further includes first array lines extending in the second direction on the first and the second stack, and connected to word lines of the first and the second stack through at least two of first via contacts in a same level. The device further include first word select lines being in a same level and extending in the first direction, and connected to each of the first array lines through at least one of second via contacts. Ends of each of the first and the second stack have a form of stairs on the substrate.
    Type: Application
    Filed: May 3, 2017
    Publication date: August 17, 2017
    Inventors: SUNG-MIN HWANG, HAN-SOO KIM, WON-SEOK CHO, JAE-HOON JANG, SUN-IL SHIM, JAE-HUN JEONG, KI-HYUN KIM
  • Patent number: 9711188
    Abstract: A vertical non-volatile memory device includes a substrate, and a first stack of word lines and a second stack of word lines extending in a first direction on the substrate and separated from each other in a second direction perpendicular to the first direction. The device further includes first array lines extending in the second direction on the first and the second stack, and connected to word lines of the first and the second stack through at least two of first via contacts in a same level. The device further include first word select lines being in a same level and extending in the first direction, and connected to each of the first array lines through at least one of second via contacts. Ends of each of the first and the second stack have a form of stairs on the substrate.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: July 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Han-Soo Kim, Won-Seok Cho, Jae-Hoon Jang, Sun-Il Shim, Jae-Hun Jeong, Ki-Hyun Kim
  • Patent number: 9564221
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: February 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Patent number: 9478291
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: October 25, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Publication number: 20160284729
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Application
    Filed: June 8, 2016
    Publication date: September 29, 2016
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Publication number: 20160247547
    Abstract: A vertical non-volatile memory device is structured/fabricated to include a substrate, groups of memory cell strings each having a plurality of memory transistors distributed vertically so that the memory throughout multiple layers on the substrate, integrated word lines coupled to sets of the memory transistors, respectively, and stacks of word select lines. The memory transistors of each set are those transistors, of one group of the memory cell strings, which are disposed in the same layer above the substrate. The word select lines are respectively connected to the integrated word lines.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Inventors: SUNG-MIN HWANG, HAN-SOO KIM, WON-SEOK CHO, JAE-HOON JANG, SUN-IL SHIM, JAE-HUN JEONG, KI-HYUN KIM
  • Publication number: 20160225451
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Application
    Filed: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Patent number: 9336884
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Grant
    Filed: June 11, 2014
    Date of Patent: May 10, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Patent number: 9306041
    Abstract: A vertical type semiconductor device includes first and second word line structures that include first and second word lines. The word lines surround a plurality of pillar structures, which are provided to connect the word lines to corresponding string select lines. Connecting patterns electrically connect pairs of adjacent first and second word lines in a same plane. The device may be a nonvolatile memory device or a different type of device.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: April 5, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Min Hwang, Han-Soo Kim, Woon-Kyung Lee, Won-Seok Cho
  • Patent number: 9299716
    Abstract: A method of manufacturing a vertical type memory device includes stacking a first lower insulating layer, one layer of a lower sacrificial layer and a second lower insulating layer on a substrate, forming a stacking structure by stacking sacrificial layers and insulating layers, and etching an edge portion of the stacking structure to form a preliminary stepped shape pattern structure. The preliminary stepped shape pattern structure has a stepped shape edge portion. A pillar structure making contact with a surface of the substrate is formed. The preliminary stepped shape pattern structure, the lower sacrificial layer, and the first and second lower insulating layers are partially etched to form a first opening portion and a second opening portion to form a stepped shape pattern structure. The second opening portion cuts at least an edge portion of the lower sacrificial layer.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: March 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Han-Soo Kim, Woon-Kyung Lee, Won-Seok Cho
  • Publication number: 20150311213
    Abstract: A method of manufacturing a vertical type memory device includes stacking a first lower insulating layer, one layer of a lower sacrificial layer and a second lower insulating layer on a substrate, forming a stacking structure by stacking sacrificial layers and insulating layers, and etching an edge portion of the stacking structure to form a preliminary stepped shape pattern structure. The preliminary stepped shape pattern structure has a stepped shape edge portion. A pillar structure making contact with a surface of the substrate is formed. The preliminary stepped shape pattern structure, the lower sacrificial layer, and the first and second lower insulating layers are partially etched to form a first opening portion and a second opening portion to form a stepped shape pattern structure. The second opening portion cuts at least an edge portion of the lower sacrificial layer.
    Type: Application
    Filed: July 2, 2015
    Publication date: October 29, 2015
    Inventors: Sung-Min HWANG, Han-Soo KIM, Woon-Kyung LEE, Won-Seok CHO
  • Patent number: 9087861
    Abstract: A method of manufacturing a vertical type memory device includes stacking a first lower insulating layer, one layer of a lower sacrificial layer and a second lower insulating layer on a substrate, forming a stacking structure by stacking sacrificial layers and insulating layers, and etching an edge portion of the stacking structure to form a preliminary stepped shape pattern structure. The preliminary stepped shape pattern structure has a stepped shape edge portion. A pillar structure making contact with a surface of the substrate is formed. The preliminary stepped shape pattern structure, the lower sacrificial layer, and the first and second lower insulating layers are partially etched to form a first opening portion and a second opening portion to form a stepped shape pattern structure. The second opening portion cuts at least an edge portion of the lower sacrificial layer.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: July 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min Hwang, Han-Soo Kim, Woon-Kyung Lee, Won-Seok Cho
  • Patent number: 8974858
    Abstract: An apparatus for depositing an organic material and a depositing method thereof, wherein a deposition process is performed with respect to a second substrate while transfer and alignment processes are performed with respect to a first substrate in a chamber, so that loss of an organic material wasted in the transfer and alignment processes can be reduced, thereby maximizing material efficiency and minimizing a processing tack time. The apparatus includes a chamber having an interior divided into a first substrate deposition area and a second substrate deposition area, an organic material deposition source transferred to within ones of the first and second substrate deposition areas to spray particles of an organic material onto respective ones of first and second substrates and a first transferring unit to rotate the organic material deposition source in a first direction from one of the first and second substrate deposition areas to an other of the first and second substrate deposition areas.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Wan Park, You-Min Cha, Won-Seok Cho, Jae-Mork Park, Jae-Hong Ahn, Min-Jeong Hwang, Tae-Wook Kim, Jong-Woo Lee, Tae-Seung Kim
  • Patent number: 8961692
    Abstract: Provided is an evaporating apparatus that deposits a deposition material onto a treatment object. The evaporating apparatus includes a base, a deposition source, and first and second correction units. The deposition source deposits the deposition material onto the treatment object. The base is disposed separately from the treatment object. The deposition source is placed on a surface of the base. The first and second correction units located between the deposition source and the treatment object. The first and second correction units are disposed on outer regions of the deposition source and face each other. Each of the first and second correction units rotates to control the thickness of a layer formed by the deposition material deposited on the treatment object.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: February 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Wan Park, You-Min Cha, Jae-Hong Ahn, Won-Seok Cho, Jae-Mork Park, Min-Jeong Hwang
  • Publication number: 20150011064
    Abstract: Provided is a vertical non-volatile memory device having a metal source line. The vertical non-volatile memory device includes cell string units that are formed on first portions of a semiconductor substrate and are vertically arranged with respect to a surface of the semiconductor substrate, impurity regions formed on second portions of the semiconductor substrate between the cell string units, conductive lines formed on the impurity regions, and spacers that are formed on the sidewalls of the cell string units and insulate the conductive lines from the cells string units.
    Type: Application
    Filed: September 24, 2014
    Publication date: January 8, 2015
    Inventors: Sung-min HWANG, Han-soo KIM, Won-seok CHO, Jae-hoon JANG
  • Patent number: 8879321
    Abstract: Provided is a vertical non-volatile memory device having a metal source line. The vertical non-volatile memory device includes cell string units that are formed on first portions of a semiconductor substrate and are vertically arranged with respect to a surface of the semiconductor substrate, impurity regions formed on second portions of the semiconductor substrate between the cell string units, conductive lines formed on the impurity regions, and spacers that are formed on the sidewalls of the cell string units and insulate the conductive lines from the cells string units.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: November 4, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-min Hwang, Han-soo Kim, Won-seok Cho, Jae-hoon Jang
  • Publication number: 20140293703
    Abstract: A non-volatile memory device having a vertical structure includes a NAND string having a vertical structure. The NAND string includes a plurality of memory cells, and at least one pair of first selection transistors arranged to be adjacent to a first end of the plurality of memory cells. A plurality of word lines are coupled to the plurality of memory cells of the NAND string. A first selection line is commonly connected to the at least one pair of first selection transistors of the NAND string.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Inventors: Jae-hun Jeong, Han-soo Kim, Won-seok Cho, Jae-hoon Jang, Sun-il Shim
  • Publication number: 20140199815
    Abstract: A method of manufacturing a vertical type memory device includes stacking a first lower insulating layer, one layer of a lower sacrificial layer and a second lower insulating layer on a substrate, forming a stacking structure by stacking sacrificial layers and insulating layers, and etching an edge portion of the stacking structure to form a preliminary stepped shape pattern structure. The preliminary stepped shape pattern structure has a stepped shape edge portion. A pillar structure making contact with a surface of the substrate is formed. The preliminary stepped shape pattern structure, the lower sacrificial layer, and the first and second lower insulating layers are partially etched to form a first opening portion and a second opening portion to form a stepped shape pattern structure. The second opening portion cuts at least an edge portion of the lower sacrificial layer.
    Type: Application
    Filed: January 16, 2014
    Publication date: July 17, 2014
    Inventors: Sung-Min HWANG, Han-Soo KIM, Woon-Kyung LEE, Won-Seok CHO
  • Publication number: 20140197481
    Abstract: A vertical type semiconductor device includes first and second word line structures that include first and second word lines. The word lines surround a plurality of pillar structures, which are provided to connect the word lines to corresponding string select lines. Connecting patterns electrically connect pairs of adjacent first and second word lines in a same plane. The device may be a nonvolatile memory device or a different type of device.
    Type: Application
    Filed: January 16, 2014
    Publication date: July 17, 2014
    Inventors: Sung-Min HWANG, Han-Soo KIM, Woon-Kyung LEE, Won-Seok CHO
  • Publication number: 20140048873
    Abstract: A semiconductor device includes a semiconductor pattern on a substrate, gate structures on sidewalls of the semiconductor pattern, the gate structures being spaced apart from one another, insulating interlayers among the gate structures, wherein an uppermost insulating interlayer is lower than an upper face of the semiconductor pattern, a common source line contacting the substrate and protruding above the uppermost insulating interlayer, an etch stop layer pattern on the semiconductor pattern and on the common source line wherein the common source line protrudes above the uppermost insulating interlayer, an additional insulating interlayer on the uppermost insulating interlayer, and contact plugs extending through the additional insulating interlayer so as to make contact with the semiconductor pattern and the common source line, respectively.
    Type: Application
    Filed: October 18, 2013
    Publication date: February 20, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Joo SHIM, Han-Soo KIM, Won-Seok CHO, Jae-Hoon JANG, Sang-Yong PARK