Patents by Inventor Chong Kwang Chang

Chong Kwang Chang 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: 11670657
    Abstract: An image sensor includes; a photoelectric conversion element disposed on a substrate, a fence structure disposed on the substrate and including a low refractive index layer stacked on a barrier layer, wherein the barrier layer includes at least one metal, and a color filter disposed inwardly lateral with respect to a sidewall of the fence structure, wherein the barrier layer includes an inward lateral protrusion.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: June 6, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min Hwan Jeon, Doo Won Kwon, Chan Ho Park, Kyung Rae Byun, Dong-Chul Lee, Chong Kwang Chang
  • Publication number: 20210272815
    Abstract: A method of fabricating a semiconductor device is provided. The method includes: forming mask patterns on a substrate, the mask patterns including a first mask fin pattern, a second mask fin pattern and a dummy mask pattern between the first mask fin pattern and the second mask fin pattern; forming a first fin pattern, a second fin pattern and a dummy fin pattern by etching the substrate using the mask patterns; and removing the dummy fin pattern, wherein the dummy mask pattern is wider than each of the first mask fin pattern and the second mask fin pattern.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Inventors: Chong Kwang Chang, Dong Hoon Khang, Sug Hyun Sung, Min Hwan Jeon
  • Patent number: 11024509
    Abstract: A method of fabricating a semiconductor device is provided. The method includes: forming mask patterns on a substrate, the mask patterns including a first mask fin pattern, a second mask fin pattern and a dummy mask pattern between the first mask fin pattern and the second mask fin pattern; forming a first fin pattern, a second fin pattern and a dummy fin pattern by etching the substrate using the mask patterns; and removing the dummy fin pattern, wherein the dummy mask pattern is wider than each of the first mask fin pattern and the second mask fin pattern.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chong Kwang Chang, Dong Hoon Khang, Sug Hyun Sung, Min Hwan Jeon
  • Publication number: 20210126028
    Abstract: An image sensor includes; a photoelectric conversion element disposed on a substrate, a fence structure disposed on the substrate and including a low refractive index layer stacked on a barrier layer, wherein the barrier layer includes at least one metal, and a color filter disposed inwardly lateral with respect to a sidewall of the fence structure, wherein the barrier layer includes an inward lateral protrusion.
    Type: Application
    Filed: August 26, 2020
    Publication date: April 29, 2021
    Inventors: MIN HWAN JEON, DOO WON KWON, CHAN HO PARK, KYUNG RAE BYUN, DONG-CHUL LEE, CHONG KWANG CHANG
  • Publication number: 20200234966
    Abstract: A method of fabricating a semiconductor device is provided. The method includes: forming mask patterns on a substrate, the mask patterns including a first mask fin pattern, a second mask fin pattern and a dummy mask pattern between the first mask fin pattern and the second mask fin pattern; forming a first fin pattern, a second fin pattern and a dummy fin pattern by etching the substrate using the mask patterns; and removing the dummy fin pattern, wherein the dummy mask pattern is wider than each of the first mask fin pattern and the second mask fin pattern.
    Type: Application
    Filed: August 14, 2019
    Publication date: July 23, 2020
    Inventors: Chong Kwang Chang, Dong Hoon KHANG, Sug Hyun SUNG, Min Hwan JEON
  • Patent number: 10276570
    Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: April 30, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Gun You, Hyung-Jong Lee, Sung-Min Kim, Chong-Kwang Chang
  • Patent number: 10224204
    Abstract: An integrated circuit device is manufactured by a method including forming a stacked mask structure including a carbon-containing film and a silicon-containing organic anti-reflective film is on a substrate, forming a silicon-containing organic anti-reflective pattern by etching the silicon-containing organic anti-reflective film, and forming a composite mask pattern including a carbon-containing mask pattern and a profile control liner lining interior surfaces of the carbon-containing mask pattern by etching the carbon-containing film while using the silicon-containing organic anti-reflective pattern as an etch mask. Ions are implanted into the substrate through a plurality of spaces defined by the composite mask pattern.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: March 5, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Hoon Khang, Dong-Woo Kang, Moon-Han Park, Ji-Ho Yoo, Chong-Kwang Chang
  • Publication number: 20190051526
    Abstract: An integrated circuit device is manufactured by a method including forming a stacked mask structure including a carbon-containing film and a silicon-containing organic anti-reflective film is on a substrate, forming a silicon-containing organic anti-reflective pattern by etching the silicon-containing organic anti-reflective film, and forming a composite mask pattern including a carbon-containing mask pattern and a profile control liner lining interior surfaces of the carbon-containing mask pattern by etching the carbon-containing film while using the silicon-containing organic anti-reflective pattern as an etch mask. Ions are implanted into the substrate through a plurality of spaces defined by the composite mask pattern.
    Type: Application
    Filed: February 8, 2018
    Publication date: February 14, 2019
    Inventors: DONG-HOON KHANG, DONG-WOO KANG, MOON-HAN PARK, JI-HO YOO, CHONG-KWANG CHANG
  • Publication number: 20180226404
    Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.
    Type: Application
    Filed: April 4, 2018
    Publication date: August 9, 2018
    Inventors: Jung-Gun YOU, Hyung-Jong LEE, Sung-Min KIM, Chong-Kwang CHANG
  • Patent number: 9941281
    Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: April 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Gun You, Hyung-Jong Lee, Sung-Min Kim, Chong-Kwang Chang
  • Patent number: 9865736
    Abstract: A semiconductor device includes a gate structure on a substrate, a source/drain layer on a portion of the substrate adjacent the gate structure, a first contact plug contacting an upper surface of the source/drain layer, and a second contact plug contacting upper surfaces of the gate structure and the first contact plug. A bottom surface of the second contact plug has a first portion not contacting the upper surface of the first contact plug, and the first portion is higher than the upper surface of the gate structure.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chong-Kwang Chang, Young-Mook Oh, Hak-Yoon Ahn, Jung-Gun You, Gi-Gwan Park, Baik-Min Sung
  • Publication number: 20170133370
    Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 11, 2017
    Inventors: Jung-Gun YOU, Hyung-Jong LEE, Sung-Min KIM, Chong-Kwang CHANG
  • Publication number: 20170110569
    Abstract: A semiconductor device includes a gate structure on a substrate, a source/drain layer on a portion of the substrate adjacent the gate structure, a first contact plug contacting an upper surface of the source/drain layer, and a second contact plug contacting upper surfaces of the gate structure and the first contact plug. A bottom surface of the second contact plug has a first portion not contacting the upper surface of the first contact plug, and the first portion is higher than the upper surface of the gate structure.
    Type: Application
    Filed: October 13, 2016
    Publication date: April 20, 2017
    Inventors: Chong-Kwang CHANG, Young-Mook OH, Hak-Yoon AHN, Jung-Gun YOU, Gi-Gwan PARK, Baik-Min SUNG
  • Patent number: 9553089
    Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: January 24, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Gun You, Hyung-Jong Lee, Sung-Min Kim, Chong-Kwang Chang
  • Publication number: 20160293599
    Abstract: A semiconductor device, including first and second fin patterns separated by a first trench; a gate electrode intersecting the first and second fin patterns; and a contact on at least one side of the gate electrode, the contact contacting the first fin pattern, the contact having a bottom surface that does not contact the second fin pattern, a height from a bottom of the first trench to a topmost end of the first fin pattern in a region in which the contact intersects the first fin pattern being a first height, and a height from the bottom of the first trench to a topmost end of the second fin pattern in a region in which an extension line of the contact extending along a direction in which the gate electrode extends intersects the second fin pattern being a second height, the first height being smaller than the second height.
    Type: Application
    Filed: January 14, 2016
    Publication date: October 6, 2016
    Inventors: Jung-Gun You, Hyung-Jong Lee, Sung-Min Kim, Chong-Kwang Chang
  • Publication number: 20160293600
    Abstract: A semiconductor device, including a first fin type pattern and a second fin type pattern defined by a trench, the first fin type pattern and the second fin type pattern extending in a first direction, the first fin type pattern and the second fin type pattern being closest to each other; a field insulation layer filling a portion of the trench; and a contact contacting the field insulation layer, the first fin type pattern, and the second fin type pattern, the contact having a bottom surface in a shape of a wave.
    Type: Application
    Filed: January 14, 2016
    Publication date: October 6, 2016
    Inventors: Jung-Gun YOU, Hyung-Jong LEE, Chong-Kwang CHANG, Sung-Min KIM
  • Publication number: 20140120681
    Abstract: A method of fabricating a semiconductor device includes forming a gate electrode structure on a substrate, forming a first spacer material layer covering the gate electrode structure, forming a second spacer material layer covering the first spacer material layer, and etching the first and second spacer material layers using an etch-back process to form first and second spacers.
    Type: Application
    Filed: June 20, 2013
    Publication date: May 1, 2014
    Inventors: Chong-Kwang CHANG, Se-Young LEE, Seung-Ho CHAE
  • Publication number: 20140103405
    Abstract: A method is provided for fabricating a semiconductor device that includes: forming a gate pattern on a substrate; forming a source/drain in the vicinity of the gate pattern; forming an etch stop film, which covers the gate pattern and the source/drain, on the substrate; forming an interlayer insulating film on the etch stop film; forming a shared contact hole that exposes the gate pattern and the source/drain by etching the interlayer insulating film, wherein a polymer is generated in the shared contact hole a process of etching the interlayer insulating film; removing the polymer by performing etching using hydrogen gas, nitrogen gas or a mixture of hydrogen and nitrogen before etching the etch stop film; and etching the etch stop film.
    Type: Application
    Filed: July 23, 2013
    Publication date: April 17, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chong-Kwang Chang, Hak-Yoon Ahn, Young-Mook Oh, Jung-Hoon Lee, Seung-Ho Chae
  • Patent number: 8697339
    Abstract: Methods for manufacturing semiconductor devices are disclosed. One preferred embodiment is a method of processing a semiconductor device. The method includes providing a workpiece having a material layer to be patterned disposed thereon. A masking material is formed over the material layer of the workpiece. The masking material includes a lower portion and an upper portion disposed over the lower portion. The upper portion of the masking material is patterned with a first pattern. A polymer material is disposed over the masking material. The masking material and the polymer layer are used to pattern the material layer of the workpiece.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: April 15, 2014
    Assignees: International Business Machines Corporation, Samsung Electronics Co., Ltd., Infineon Technologies AG
    Inventors: Haoren Zhuang, Chong Kwang Chang, Alois Gutmann, Jingyu Lian, Matthias Lipinski, Len Yuan Tsou, Helen Wang
  • Patent number: 8518723
    Abstract: A method of fabricating a semiconductor integrated circuit device, including providing a semiconductor substrate, sequentially forming an etching target layer and a hard mask layer on the semiconductor substrate, forming first etch masks on the hard mask layer, the first etch masks including a plurality of first line patterns spaced apart from one another at a first pitch and extending in a first direction, forming first hard mask patterns by etching the hard mask layer using the first etch masks, forming second etch masks on the first hard mask patterns, the second etch masks including a plurality of second line patterns spaced apart from one another at a second pitch and extending in a second direction different from the first direction, forming second hard mask patterns by etching the first hard mask patterns using the second etch masks, forming spacers on sidewalls of the second hard mask patterns, and patterning the etching target layer using the second hard mask patterns having the spacers.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: August 27, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chong-Kwang Chang, Hong-Jae Shin, Nae-In Lee, Kwang-Hyeon Baik, Seung-Il Bok, Hyo-Jeong Kim