Patents by Inventor Seon Yong Cha

Seon Yong Cha 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: 20240145171
    Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrode layers, and external electrodes disposed on the body and connected to the first and second internal electrode layers, respectively. The body includes an active portion in which the first and second internal electrode layers are alternately disposed with the dielectric layer interposed therebetween, a cover portion disposed on an upper portion and a lower portion of the active portion, and a side margin portion disposed on both sides of the active portion opposing each other. When a content of magnesium (Mg) included in the active portion is A1, a content of magnesium (Mg) included in the cover portion is C1, and a content of magnesium (Mg) included in the margin portion is M1, 0<A1<M1?C1 and A1/C1?0.60 are satisfied.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 2, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Uk Cha, Chang Min Lee, Hye Sung Yoon, Seon A Jang, Ji Hyuk Lim, Ki Yong Lee
  • Publication number: 20240119994
    Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Inventors: Seung-Hwan KIM, Su-Ock CHUNG, Seon-Yong CHA
  • Publication number: 20240057309
    Abstract: A memory cell includes: a substrate; an active layer spaced apart from a surface of the substrate and extending in a direction which is parallel to the surface of the substrate; a bit line coupled to one side of the active layer and extending in a direction perpendicular to the surface of the substrate; a capacitor coupled to another side of the active layer and spaced apart from the surface of the substrate; and a word line vertically spaced apart from the active layer and extending in a direction intersecting with the active layer, wherein the word line includes a first notch-shaped sidewall and a second notch-shaped sidewall that face each other.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 15, 2024
    Inventors: Seung Hwan KIM, Dong Sun SHEEN, Su Ock CHUNG, Il Sup JIN, Seon Yong CHA
  • Patent number: 11887654
    Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: January 30, 2024
    Assignee: SK hynix Inc.
    Inventors: Seung-Hwan Kim, Su-Ock Chung, Seon-Yong Cha
  • Patent number: 11832434
    Abstract: A memory cell includes: a substrate; an active layer spaced apart from a surface of the substrate and extending in a direction which is parallel to the surface of the substrate; a bit line coupled to one side of the active layer and extending in a direction perpendicular to the surface of the substrate; a capacitor coupled to another side of the active layer and spaced apart from the surface of the substrate; and a word line vertically spaced apart from the active layer and extending in a direction intersecting with the active layer, wherein the word line includes a first notch-shaped sidewall and a second notch-shaped sidewall that face each other.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: November 28, 2023
    Assignee: SK hynix Inc.
    Inventors: Seung Hwan Kim, Dong Sun Sheen, Su Ock Chung, Il Sup Jin, Seon Yong Cha
  • Publication number: 20230045324
    Abstract: A memory device includes: a substrate; a bit line which is vertically oriented from the substrate; a plate line which is vertically oriented from the substrate; and a memory cell provided with a transistor and a capacitor that are positioned in a lateral arrangement between the bit line and the plate line, wherein the transistor includes: an active layer which is laterally oriented to be parallel to the substrate between the bit line and the capacitor; and a line-shaped lower word line and a line-shaped upper word line vertically stacked with the active layer therebetween and oriented to intersect with the active layer.
    Type: Application
    Filed: October 18, 2022
    Publication date: February 9, 2023
    Inventors: Seung-Hwan KIM, Su-Ock CHUNG, Seon-Yong CHA
  • Patent number: 11501827
    Abstract: A memory device includes: a substrate; a bit line which is vertically oriented from the substrate; a plate line which is vertically oriented from the substrate; and a memory cell provided with a transistor and a capacitor that are positioned in a lateral arrangement between the bit line and the plate line, wherein the transistor includes: an active layer which is laterally oriented to be parallel to the substrate between the bit line and the capacitor; and a line-shaped lower word line and a line-shaped upper word line vertically stacked with the active layer therebetween and oriented to intersect with the active layer.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 15, 2022
    Assignee: SK hynix Inc.
    Inventors: Seung-Hwan Kim, Su-Ock Chung, Seon-Yong Cha
  • Publication number: 20220262425
    Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
    Type: Application
    Filed: May 9, 2022
    Publication date: August 18, 2022
    Inventors: Seung-Hwan KIM, Su-Ock CHUNG, Seon-Yong CHA
  • Publication number: 20220208766
    Abstract: A memory cell includes: a substrate; an active layer spaced apart from a surface of the substrate and extending in a direction which is parallel to the surface of the substrate; a bit line coupled to one side of the active layer and extending in a direction perpendicular to the surface of the substrate; a capacitor coupled to another side of the active layer and spaced apart from the surface of the substrate; and a word line vertically spaced apart from the active layer and extending in a direction intersecting with the active layer, wherein the word line includes a first notch-shaped sidewall and a second notch-shaped sidewall that face each other.
    Type: Application
    Filed: June 24, 2021
    Publication date: June 30, 2022
    Inventors: Seung Hwan KIM, Dong Sun SHEEN, Su Ock CHUNG, Il Sup JIN, Seon Yong CHA
  • Patent number: 11355177
    Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: June 7, 2022
    Assignee: SK hynix Inc.
    Inventors: Seung-Hwan Kim, Su-Ock Chung, Seon-Yong Cha
  • Publication number: 20210012828
    Abstract: A memory device includes: a first memory cell mat that includes first multi-layer level sub word lines positioned over a substrate; a second memory cell mat that is laterally spaced apart from the first memory cell mat and includes second multi-layer level sub word lines; a first sub word line driver circuit that is positioned underneath the first memory cell mat; and a second sub word line driver circuit that is positioned underneath the second memory cell mat, wherein the first sub word line driver circuit is positioned underneath ends of the first multi-layer level sub word lines, and the second sub word line driver circuit is positioned underneath ends of the second multi-layer level sub word lines.
    Type: Application
    Filed: April 21, 2020
    Publication date: January 14, 2021
    Inventors: Seung-Hwan KIM, Su-Ock CHUNG, Seon-Yong CHA
  • Publication number: 20200279601
    Abstract: A memory device includes: a substrate; a bit line which is vertically oriented from the substrate; a plate line which is vertically oriented from the substrate; and a memory cell provided with a transistor and a capacitor that are positioned in a lateral arrangement between the bit line and the plate line, wherein the transistor includes: an active layer which is laterally oriented to be parallel to the substrate between the bit line and the capacitor; and a line-shaped lower word line and a line-shaped upper word line vertically stacked with the active layer therebetween and oriented to intersect with the active layer.
    Type: Application
    Filed: December 27, 2019
    Publication date: September 3, 2020
    Inventors: Seung-Hwan KIM, Su-Ock CHUNG, Seon-Yong CHA
  • Patent number: 8198161
    Abstract: A vertical transistor and a method for forming the same. The vertical transistor includes a semiconductor substrate having pillar type active patterns formed on a surface thereof; first junction regions formed in the surface of the semiconductor substrate on both sides of the active patterns; screening layers formed on sidewalls of the first junction regions; second junction regions formed on upper surfaces of the active patterns; and gates formed on sidewalls of the active patterns including the second junction regions to overlap with at least portions of the first junction regions.
    Type: Grant
    Filed: October 3, 2011
    Date of Patent: June 12, 2012
    Assignee: Hynix Semiconductor Inc.
    Inventor: Seon Yong Cha
  • Publication number: 20120021576
    Abstract: A vertical transistor and a method for forming the same. The vertical transistor includes a semiconductor substrate having pillar type active patterns formed on a surface thereof; first junction regions formed in the surface of the semiconductor substrate on both sides of the active patterns; screening layers formed on sidewalls of the first junction regions; second junction regions formed on upper surfaces of the active patterns; and gates formed on sidewalls of the active patterns including the second junction regions to overlap with at least portions of the first junction regions.
    Type: Application
    Filed: October 3, 2011
    Publication date: January 26, 2012
    Applicant: HYNIX SEMICONDUCTOR INC.
    Inventor: Seon Yong CHA
  • Patent number: 8053817
    Abstract: A vertical transistor and a method for forming the same. The vertical transistor includes a semiconductor substrate having pillar type active patterns formed on a surface thereof; first junction regions formed in the surface of the semiconductor substrate on both sides of the active patterns; screening layers formed on sidewalls of the first junction regions; second junction regions formed on upper surfaces of the active patterns; and gates formed on sidewalls of the active patterns including the second junction regions to overlap with at least portions of the first junction regions.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: November 8, 2011
    Assignee: Hynix Semiconductor Inc.
    Inventor: Seon Yong Cha
  • Patent number: 7799641
    Abstract: A method for forming a semiconductor device having recess channel includes forming a hard mask film pattern for exposing first regions for forming the trenches on a semiconductor substrate; forming first trenches by a first etching process using the hard mask film pattern as a mask, and removing the hard mask film pattern; forming a barrier film on the semiconductor substrate including the first trenches; forming an ion implantation mask film for exposing the first trenches on the barrier film; forming an ion implantation region in the semiconductor substrate below the first trenches using the ion implantation mask film and the barrier film; forming bulb-shaped second trenches by a second etching process using the ion implantation mask film and the barrier film as a mask, so that bulb-type trenches for recess channels, each including the first trench and the second trench, are formed; and removing the ion implantation mask film and the barrier film.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: September 21, 2010
    Assignee: Hynix Semiconductor Inc.
    Inventors: Jin Yul Lee, Min Ho Ha, Seon Yong Cha
  • Publication number: 20100203696
    Abstract: A semiconductor device and a method for manufacturing the same are disclosed. The semiconductor device suitable for preventing a threshold voltage of a recess gate from decreasing due to a voltage of an adjacent storage node comprises a semiconductor substrate having an active region which includes a gate area and a storage node contact area and is recess in the gate area; a device isolation structure formed in the semiconductor substrate to define the active region and having a shield layer therein; a recess gate formed in the gate area of the semiconductor substrate; and a storage node formed to be connected with the storage node contact area of the active region.
    Type: Application
    Filed: April 21, 2010
    Publication date: August 12, 2010
    Applicant: Hynix Semiconductor Inc.
    Inventor: Seon Yong CHA
  • Publication number: 20090114978
    Abstract: A vertical transistor and a method for forming the same. The vertical transistor includes a semiconductor substrate having pillar type active patterns formed on a surface thereof; first junction regions formed in the surface of the semiconductor substrate on both sides of the active patterns; screening layers formed on sidewalls of the first junction regions; second junction regions formed on upper surfaces of the active patterns; and gates formed on sidewalls of the active patterns including the second junction regions to overlap with at least portions of the first junction regions.
    Type: Application
    Filed: December 11, 2007
    Publication date: May 7, 2009
    Inventor: Seon Yong CHA
  • Publication number: 20080290390
    Abstract: A semiconductor device and a method for manufacturing the same are disclosed. The semiconductor device suitable for preventing a threshold voltage of a recess gate from decreasing due to a voltage of an adjacent storage node comprises a semiconductor substrate having an active region which includes a gate area and a storage node contact area and is recess in the gate area; a device isolation structure formed in the semiconductor substrate to define the active region and having a shield layer therein; a recess gate formed in the gate area of the semiconductor substrate; and a storage node formed to be connected with the storage node contact area of the active region.
    Type: Application
    Filed: September 10, 2007
    Publication date: November 27, 2008
    Applicant: Hynix Semiconductor Inc.
    Inventor: Seon Yong Cha
  • Publication number: 20080277741
    Abstract: A semiconductor device includes a semiconductor substrate; a source area, a channel area and a drain area vertically stacked on the semiconductor substrate; and a gate formed in both side walls of the stacked source area, channel area and drain area under interposition of a gate insulation layer.
    Type: Application
    Filed: June 20, 2007
    Publication date: November 13, 2008
    Applicant: Hynix Semiconductor, Inc.
    Inventor: Seon Yong CHA