Patents by Inventor Dong-Goo Choi

Dong-Goo Choi 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: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 11956997
    Abstract: A display device according to an exemplary embodiment includes: a substrate including a display area and a transmission area; a metal blocking layer disposed in the display area of the substrate; an inorganic insulating layer disposed on the metal blocking film; a transistor disposed on the inorganic insulating layer; an emission layer connected to the transistor; and a light blocking layer and a color filter disposed on the emission layer of the display area, wherein the edge of the light blocking layer is protruded toward the transmission area more than the edge of the metal blocking layer.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Nak Cho Choi, Moo Soon Ko, Dong Hyun Son, Sang Hoon Oh, Jin Goo Jung, Kyung Hyun Choi, Hae-Yeon Lee, Seong Min Cho
  • Publication number: 20240074165
    Abstract: A semiconductor device comprises a substrate including first and second regions; a plurality of conductive line structures disposed over the substrate; a plurality of conductive contact plugs formed between the conductive line structures disposed over the first region of the substrate; and a plurality of dummy dielectric plugs disposed over the second region of the substrate.
    Type: Application
    Filed: April 3, 2023
    Publication date: February 29, 2024
    Inventors: Dae Won KIM, Yu Ri KIM, Tae Kyun KIM, Jin Hwan JEON, Dong Goo CHOI, Ri CHOI
  • Publication number: 20220406789
    Abstract: Present invention is related to a semiconductor device with an improved reliability and a method for the same. A method for fabricating a semiconductor device according to an embodiment of the present invention may comprise: forming a plurality of bit line structures over a substrate; forming line-shaped openings between the bit line structures; forming a stopper structure on edges of the line-shaped openings; filling a line pattern in each of the line-shaped openings; forming a plurality of contact plugs and a plurality of isolation grooves by etching the line patterns; and filling a plug isolation layer in the isolation grooves.
    Type: Application
    Filed: December 27, 2021
    Publication date: December 22, 2022
    Inventors: Jin Hwan JEON, Dae Won KIM, Tae Kyun KIM, Jung Woo PARK, Sung Hwan AHN, Su Ock CHUNG, Dong Goo CHOI
  • Publication number: 20220352323
    Abstract: A method for fabricating a semiconductor device includes: forming an insulating layer over a substrate including a cell region and a peripheral region; forming an opening in the insulating layer by selectively etching the insulating layer in the cell region; forming a plug conductive layer to fill the opening and cover the insulating film; etching the plug conductive layer and the insulating layer in the peripheral region by using a peri-open mask covering the cell region; trimming the peri-open mask to expose the plug conductive layer in a boundary region where the cell region and the peripheral region contact each other; etching the plug conductive layer in the boundary region by using the trimmed peri-open mask; forming a peri-gate conductive layer over the entire surface of the substrate; and etching the peri-gate conductive layer by using a cell open mask.
    Type: Application
    Filed: December 13, 2021
    Publication date: November 3, 2022
    Inventors: Dae Won KIM, Tae Kyun KIM, Dong Goo CHOI
  • Publication number: 20140353744
    Abstract: A semiconductor device includes a substrate including a first active region and second active regions, a bit line structure in contact the first active region, and storage node contacts in contact the second active regions. A top surface of the first active region is lower than the top surfaces of the second active regions.
    Type: Application
    Filed: October 18, 2013
    Publication date: December 4, 2014
    Applicant: SK hynix Inc.
    Inventors: Ho-Jin JUNG, Chang-Heon PARK, Dong-Goo CHOI, Joong-Gun YOO, Yeo-Jin YOON, Seong-Hwan AHN, Jin-Wook CHEONG
  • Patent number: 7521347
    Abstract: A method for forming a contact hole in a semiconductor device includes forming gate lines on a substrate, forming a bit line pattern by forming a bit line and a bit line hard mask in sequential order over the substrate, forming an inter-layer insulation layer having a multiple-layer structure including an etch stop layer over the substrate, forming a contact mask over the inter-layer insulation layer, performing a first etching process to etch a first portion of the inter-layer insulation layer above the etch stop layer, using the contact mask as an etch mask, and performing a second etching process to etch the etch stop layer, a second portion of the inter-layer insulation layer below the etch stop layer, and the bit line hard mask to form a contact hole exposing a portion of the bit line.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: April 21, 2009
    Assignee: Hynix Semiconductor Inc.
    Inventors: Dong-Yeol Lee, Dong-Goo Choi, Dong-Sauk Kim
  • Patent number: 7435677
    Abstract: A method for fabricating a semiconductor device includes: forming a first inter-layer insulation layer over a substrate where a plurality of first contact holes are formed; forming a conductive layer over the first inter-layer insulation layer to fill the first contact holes; etching the conductive layer such that a surface of the first inter-layer insulation layer is higher than that of the conductive layer, whereby a plurality of contact plugs filling the first contact holes are formed; and forming an etch stop layer more thickly over the surfaces of the contact plugs than the surface of the first inter-layer insulation layer.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: October 14, 2008
    Assignee: Hynix Semiconductor Inc.
    Inventor: Dong-Goo Choi
  • Patent number: 7396772
    Abstract: A method for fabricating a semiconductor device includes: providing a substrate structure including a bit line and a capacitor formed apart from each other at a different level; forming first, second, and third insulation layers over the bit line, the second insulation layer being a first etch stop layer; forming a second etch stop layer over a top electrode of the capacitor; forming a fourth insulation layer over the third insulation layer and the second etch stop layer; and performing a plurality of etch steps to expose an upper surface of the bit line and an upper surface of the capacitor.
    Type: Grant
    Filed: October 17, 2006
    Date of Patent: July 8, 2008
    Assignee: Hynix Semiconductor Inc.
    Inventors: Sang-Do Lee, Sun-Woong Na, Dong-Ryeol Lee, Dong-Goo Choi
  • Publication number: 20080000876
    Abstract: A plasma etching apparatus includes a plasma processing chamber, an electro static chuck installed in the plasma processing chamber and providing a region where a wafer is to be placed, and a focus ring surrounding an edge of the wafer at an edge portion of the electro static chuck and including: a first region surrounding the edge of the wafer; and a second region disposed under a bottom surface of the wafer. The first region has a surface disposed higher than that of the wafer.
    Type: Application
    Filed: December 28, 2006
    Publication date: January 3, 2008
    Inventors: Sang-Soo Park, Hyun-Suk Sung, Dong-Goo Choi
  • Publication number: 20070281480
    Abstract: A method for fabricating a semiconductor device includes: providing a substrate structure including a bit line and a capacitor formed apart from each other at a different level; forming first, second, and third insulation layers over the bit line, the second insulation layer being a first etch stop layer; forming a second etch stop layer over a top electrode of the capacitor; forming a fourth insulation layer over the third insulation layer and the second etch stop layer; and performing a plurality of etch steps to expose an upper surface of the bit line and an upper surface of the capacitor.
    Type: Application
    Filed: October 17, 2006
    Publication date: December 6, 2007
    Applicant: Hynix Semiconductor, Inc.
    Inventors: Sang-Do Lee, Sun-Woong Na, Dong-Ryeol Lee, Dong-Goo Choi
  • Publication number: 20070254473
    Abstract: A method for fabricating a semiconductor device includes: forming a first inter-layer insulation layer over a substrate where a plurality of first contact holes are formed; forming a conductive layer over the first inter-layer insulation layer to fill the first contact holes; etching the conductive layer such that a surface of the first inter-layer insulation layer is higher than that of the conductive layer, whereby a plurality of contact plugs filling the first contact holes are formed; and forming an etch stop layer more thickly over the surfaces of the contact plugs than the surface of the first inter-layer insulation layer.
    Type: Application
    Filed: November 9, 2006
    Publication date: November 1, 2007
    Inventor: Dong-Goo Choi
  • Publication number: 20070148964
    Abstract: A method for forming a contact hole in a semiconductor device includes forming gate lines on a substrate, forming a bit line pattern by forming a bit line and a bit line hard mask in sequential order over the substrate, forming an inter-layer insulation layer having a multiple-layer structure including an etch stop layer over the substrate, forming a contact mask over the inter-layer insulation layer, performing a first etching process to etch a first portion of the inter-layer insulation layer above the etch stop layer, using the contact mask as an etch mask, and performing a second etching process to etch the etch stop layer, a second portion of the inter-layer insulation layer below the etch stop layer, and the bit line hard mask to form a contact hole exposing a portion of the bit line.
    Type: Application
    Filed: June 8, 2006
    Publication date: June 28, 2007
    Inventors: Dong-Yeol Lee, Dong-Goo Choi, Dong-Sauk Kim
  • Publication number: 20040007248
    Abstract: Disclosed is a method for improving the reliability of an etching apparatus and a deposition apparatus. The method comprises the steps of preparing at least one of an etching apparatus and a deposition apparatus, each of the apparatuses using a chlorine series gas, and generating a plasma including at least one of hydrogen and nitrogen in one of the etching apparatus and the deposition apparatus to remove a residual remaining in a reaction unit of the apparatus, whereby a chlorine series residual absorbed on the reaction tube is effectively removed by use of hydrogen and nitrogen-based plasmas thus to stably secure the reliability of the apparatus.
    Type: Application
    Filed: July 9, 2003
    Publication date: January 15, 2004
    Inventors: Seong Soo Jang, Dong Goo Choi