Patents by Inventor Nam-Gyu CHO

Nam-Gyu 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: 20240128347
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Nam Gyu CHO, Rak Hwan KIM, Hyeok-Jun SON, Do Sun LEE, Won Keun CHUNG
  • Patent number: 11881519
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Gyu Cho, Rak Hwan Kim, Hyeok-Jun Son, Do Sun Lee, Won Keun Chung
  • Publication number: 20230378263
    Abstract: A semiconductor device includes an active pattern; gate spacers on the active pattern defining a gate trench; a gate insulating layer along a sidewall and a bottom surface of the gate trench; a first conductive layer on the gate insulating layer; a second conductive layer on the first conductive layer in the gate trench; a third conductive layer on the second conductive layer in the gate trench and including a first portion between parts of the second conductive layer, and a second portion on the first portion and in contact with an upper surface of the second conductive layer; and a capping pattern on the second and third conductive layers and including a portion between the gate insulating layer and the second portion, and in contact with a sidewall of the second portion, wherein a width of the second portion is greater than a width of the first portion.
    Type: Application
    Filed: December 21, 2022
    Publication date: November 23, 2023
    Inventors: Jin Kyu JANG, Byoung Hoon LEE, Chan Hyeong LEE, Nam Gyu CHO
  • Publication number: 20220319916
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Application
    Filed: June 13, 2022
    Publication date: October 6, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun CHUNG, Joon Gon LEE, Rak Hwan KIM, Chung Hwan SHIN, Do Sun LEE, Nam Gyu CHO
  • Publication number: 20220285518
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Nam Gyu CHO, Rak Hwan KIM, Hyeok-Jun SON, Do Sun LEE, Won Keun CHUNG
  • Patent number: 11367651
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun Chung, Joon Gon Lee, Rak Hwan Kim, Chung Hwan Shin, Do Sun Lee, Nam Gyu Cho
  • Patent number: 11349007
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: May 31, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Gyu Cho, Rak Hwan Kim, Hyeok-Jun Son, Do Sun Lee, Won Keun Chung
  • Publication number: 20210210613
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Application
    Filed: September 9, 2020
    Publication date: July 8, 2021
    Inventors: Nam Gyu CHO, Rak Hwan KIM, Hyeok-Jun SON, Do Sun LEE, Won Keun CHUNG
  • Publication number: 20210020500
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Application
    Filed: June 16, 2020
    Publication date: January 21, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun Chung, Joon Gon Lee, Rak Hwan Kim, Chung Hwan Shin, Do Sun Lee, Nam Gyu Cho
  • Patent number: 10438800
    Abstract: Semiconductor devices and methods for fabricating the same are provided. A semiconductor device may include a substrate including first and second regions, a first interface film disposed on the substrate in the first region, a second interface film disposed on the substrate in the second region, a dielectric film disposed on the first and second interface films, a first metal film disposed on the dielectric film in the first region, and a second metal film disposed on the dielectric film in the second region. The first and second interface films may comprise an oxide of the substrate, the first and second metal films may comprise different materials, and the first and second interface films may have different thicknesses. Channels may be provided in the first and second regions, and the channels may be fin-shaped or wire-shaped. The metal films may have different oxygen content.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon Tae Hwang, Moon Kyun Song, Nam Gyu Cho, Kyu Min Lee, Soo Jung Choi, Yong Ho Ha, Sang Jin Hyun
  • Publication number: 20190159450
    Abstract: A pyridine-based compound containing an isoxazoline ring represented by Formula 1 or an agrochemically acceptable salt thereof can be used as a herbicide. A method of preparing the pyridine-based compound containing an isoxazoline ring represented by Formula 1 includes reacting a compound represented by Formula 2 with a compound represented by Formula 3.
    Type: Application
    Filed: June 27, 2017
    Publication date: May 30, 2019
    Inventors: Young Kwan KO, Eun Ae KIM, Ill Young LEE, Dong Wan KOO, Jae Wook RYU, Gyu Hwan YON, Hyun Suk YEOM, Hee Nam LIM, So-Young LEE, Chan Yong PARK, Mi-Young KWAK, Suk-Jin KOO, Ki-Hwan HWANG, Sung-Hun KIM, Jong-Su LIM, Dong-Guk LEE, Kun-Hoe CHUNG, Nam-Gyu CHO, Jun-Ho NAM
  • Publication number: 20180261460
    Abstract: Semiconductor devices and methods for fabricating the same are provided. A semiconductor device may include a substrate including first and second regions, a first interface film disposed on the substrate in the first region, a second interface film disposed on the substrate in the second region, a dielectric film disposed on the first and second interface films, a first metal film disposed on the dielectric film in the first region, and a second metal film disposed on the dielectric film in the second region. The first and second interface films may comprise an oxide of the substrate, the first and second metal films may comprise different materials, and the first and second interface films may have different thicknesses. Channels may be provided in the first and second regions, and the channels may be fin-shaped or wire-shaped. The metal films may have different oxygen content.
    Type: Application
    Filed: November 29, 2017
    Publication date: September 13, 2018
    Inventors: Yoon Tae HWANG, Moon Kyun SONG, Nam Gyu CHO, Kyu Min LEE, Soo Jung CHOI, Yong Ho HA, Sang Jin HYUN
  • Patent number: 9439432
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: September 13, 2016
    Assignees: MOGHU RESEARCH CENTER LTD, KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung
  • Patent number: 9303022
    Abstract: Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: April 5, 2016
    Assignees: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Dong Wan Koo, Jae Chun Woo, Jae Wook Ryu, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Kun Hoe Chung, Man Seok Jeon, Sung Hun Kim, Jong Su Lim, Nam Gyu Cho
  • Publication number: 20150158852
    Abstract: Provided is an industrial method for the preparation of [5-{(2,6-difluorobenzyloxy)methyl}-4,5-dihydro-5-methyl-3-(3-methylthiophene-2-yl)-isoxazole](common name: methiozolin) represented by Formula 1 that is a herbicidal substance in high-purity.
    Type: Application
    Filed: March 18, 2013
    Publication date: June 11, 2015
    Inventors: Young Kwan Ko, Dong Wan Koo, Jae Chun Woo, Jae Wook Ryu, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Kun Hoe Chung, Man Seok Jeon, Sung Hun Kim, Jong Su Lim, Nam Gyu Cho
  • Publication number: 20140256553
    Abstract: Provided are an ortho-substituted phenylisoxazoline-based compound with 2,6-difluorobenzyloxymethyl represented by Formula 1, or a racemate or enantiomer thereof, a herbicide including the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof as an active ingredient, and a method of selectively controlling grass weed comprising treating with the ortho-substituted phenylisoxazoline-based compound, or the racemate or enantiomer thereof before or after the grass weed emerges.
    Type: Application
    Filed: May 18, 2012
    Publication date: September 11, 2014
    Applicants: MOGHU RESEARCH CENTER LTD., KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY
    Inventors: Young Kwan Ko, Gyu Hwan Yon, Jae Wook Ryu, Dong Wan Koo, Jun Ho Nam, Sung Wan Pyo, Jae Min Hwang, Suk Jin Koo, Ki Hwan Hwang, Dong Guk Lee, Man Seok Jeon, Nam Gyu Cho, Sung Hun Kim, Jong Su Lim, Kun Hoe Chung
  • Patent number: 8558324
    Abstract: a composite dielectric thin film capable of high dielectric constant, low leakage current characteristics, and high dielectric breakdown voltage while being deposited at a room temperature, a capacitor and a field effect transistor (FET) using the same, and their fabrication methods. The composite dielectric thin film is deposited at a room temperature or less than 200° C. and comprises crystalline or amorphous insulating filler uniformly distributed within an amorphous dielectric matrix or within an amorphous and partially nanocrystalline dielectric matrix.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: October 15, 2013
    Assignee: Korea Institute of Science and Technology
    Inventors: Il-Doo Kim, Dong-Hun Kim, Ho-Gi Kim, Nam-Gyu Cho
  • Publication number: 20090278211
    Abstract: a composite dielectric thin film capable of high dielectric constant, low leakage current characteristics, and high dielectric breakdown voltage while being deposited at a room temperature, a capacitor and a field effect transistor (FET) using the same, and their fabrication methods. The composite dielectric thin film is deposited at a room temperature or less than 200° C. and comprises crystalline or amorphous insulating filler uniformly distributed within an amorphous dielectric matrix or within an amorphous and partially nanocrystalline dielectric matrix.
    Type: Application
    Filed: May 4, 2009
    Publication date: November 12, 2009
    Inventors: ll-Doo KIM, Dong-Hun KIM, Ho-Gi KIM, Nam-Gyu CHO