Patents by Inventor Kyu-Ho Cho

Kyu-Ho 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).

  • Patent number: 12230667
    Abstract: A semiconductor device including a switching element on a substrate, a pad isolation layer on the switching element, a conductive pad passing through the pad isolation layer and connected to the switching element, an insulating pattern on the pad isolation layer and having a height greater than a horizontal width, a lower electrode on side surfaces of the insulating pattern on side surfaces of the insulating pattern and in contact with the conductive pad, a capacitor dielectric layer on the lower electrode and having a monocrystalline dielectric layer and a polycrystalline dielectric layer, the monocrystalline dielectric layer being relatively close to side surfaces of the insulating pattern compared to the polycrystalline dielectric layer an upper electrode on the capacitor dielectric layer may be provided.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: February 18, 2025
    Assignees: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERISTY R&DB FOUNDATION
    Inventors: Sang Yeol Kang, Kyu Ho Cho, Han Jin Lim, Cheol Seong Hwang
  • Publication number: 20240368762
    Abstract: Provided is a method for areal selective forming of a thin film according to an exemplary embodiment of the present disclosure including: a substrate preparation step of supplying and stabilizing a substrate including a growth area and a non-growth area into a chamber; a precursor supply step of supplying a metal precursor compound into the chamber and adsorbing the metal precursor compound to the substrate; a purge step of purging the inside of the chamber; and a thin film formation step of supplying a reaction material into the chamber to react with the metal precursor compound and form a thin film, in which the metal precursor compound is a Group 5 metal precursor compound represented by Chemical Formula 1 below:
    Type: Application
    Filed: May 3, 2024
    Publication date: November 7, 2024
    Applicant: EGTM Co., Ltd.
    Inventors: Ju Hwan Jeong, Hyeon Sik Cho, Han Bin Lee, Sun Young Baik, Woong Jin Choi, Ha Na Kim, Myeong Il Kim, Kyu Ho Cho
  • Publication number: 20240194481
    Abstract: Disclosed is a method of forming a thin film using a chemical purge material, the method comprising supplying a metal precursor to the inside of a chamber oh which a substrate is placed; purging the interior of the chamber; supplying a reactant to the inside of the chamber so that the reactant reacts with the metal precursor to form the thin film; and supplying a chemical purge material to the inside of the chamber so that a portion of the reactant is removed.
    Type: Application
    Filed: November 24, 2023
    Publication date: June 13, 2024
    Applicant: EGTM Co., Ltd.
    Inventors: Kyu Ho CHO, Jae Min KIM, Ha Na KIM, Ji Yeon HAN, Duck Hyeon SEO, Ju Hwan JEONG, Hyun Ju JUNG
  • Patent number: 11929389
    Abstract: An integrated circuit device includes a lower electrode, an upper electrode, and a dielectric layer structure between the lower electrode and the upper electrode, the dielectric layer structure including a first surface facing the lower electrode and a second surface facing the upper electrode. The dielectric layer structure includes a first dielectric layer including a first dielectric material and a plurality of grains extending from the first surface to the second surface and a second dielectric layer including a second dielectric material and surrounding a portion of a sidewall of each of the plurality of grains of the first dielectric layer in a level lower than the second surface. The second dielectric material includes a material having bandgap energy which is higher than bandgap energy of the first dielectric material.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: March 12, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-soo Kim, Seung-min Ryu, Chang-su Woo, Hyung-suk Jung, Kyu-ho Cho, Youn-joung Cho
  • Publication number: 20230307226
    Abstract: Disclosed is a method of depositing thin film, the method comprising: supplying an adduct precursor to the inside of a chamber in which a substrate including at least one gap feature is placed so that the adduct precursor is adsorbed to the substrate; purging the interior of the chamber; and supplying a reaction material to the inside of the chamber so that the reaction material reacts with the adduct precursor to form the thin film and fill the gap feature, wherein the adduct precursor is formed by mixing 1 to 5 moles of a compound and 1 to 5 moles of a metal compound.
    Type: Application
    Filed: May 10, 2023
    Publication date: September 28, 2023
    Applicant: EGTM Co., Ltd.
    Inventors: Ha Na KIM, Ju Hwan ` JEONG, Kyu Ho CHO, Jae Min KIM, Duck Hyeon SEO, Ji Yeon HAN, Hyun Ju JUNG
  • Publication number: 20230287014
    Abstract: Disclosed is a method for manufacturing an aluminum precursor formed by mixing 1 to 3 moles of a compound represented by the following Chemical Formula 1 or following Chemical Formula 2 and 1 to 3 moles of a compound represented by the following Chemical Formula 3. wherein X is O or S, and R1 or R2 is each independently selected from an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms. wherein X is O or S, n is 1 to 5, and R1 to R4 are each independently selected from a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group having 3 to 6 carbon atoms, and an aryl group having 6 to 12 carbon atoms. wherein R1, R2 and R3 are different from each other, and each independently selected from a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a dialkylamine having 1 to 6 carbon atoms, a cycloamine group having 1 to 6 carbon atoms, or a halogen atom.
    Type: Application
    Filed: May 10, 2023
    Publication date: September 14, 2023
    Applicant: EGTM Co., Ltd.
    Inventors: Kyu Ho CHO, Ha Na KIM, Jae Min KIM, Ji Yeon HAN, Duck Hyeon SEO, Ju Hwan JEONG, Hyun Ju JUNG, Hyeon Sik CHO, Myeong Il KIM
  • Patent number: 11705483
    Abstract: A capacitor includes a lower electrode including a first metal material and having a first crystal size in a range of a few nanometers, a dielectric layer covering the lower electrode and having a second crystal size that is a value of a crystal expansion ratio times the first crystal size and an upper electrode including a second metal material and covering the dielectric layer. The upper electrode has a third crystal size smaller than the second crystal size.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: July 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Sun Kim, Sang-Yeol Kang, Kyoo-Ho Jung, Kyu-Ho Cho, Hyo-Sik Mun
  • Patent number: 11588012
    Abstract: A method of manufacturing a semiconductor device includes forming a preliminary lower electrode layer on a substrate, the preliminary lower electrode layer including a niobium oxide; converting at least a portion of the preliminary lower electrode layer to a first lower electrode layer comprising a niobium nitride by performing a nitridation process on the preliminary lower electrode layer; forming a dielectric layer on the first lower electrode layer; and forming an upper electrode on the dielectric layer.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: February 21, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-goo Kang, Sang-yeol Kang, Youn-soo Kim, Jin-su Lee, Hyung-suk Jung, Kyu-ho Cho
  • Publication number: 20220336574
    Abstract: A semiconductor device including a switching element on a substrate, a pad isolation layer on the switching element, a conductive pad passing through the pad isolation layer and connected to the switching element, an insulating pattern on the pad isolation layer and having a height greater than a horizontal width, a lower electrode on side surfaces of the insulating pattern on side surfaces of the insulating pattern and in contact with the conductive pad, a capacitor dielectric layer on the lower electrode and having a monocrystalline dielectric layer and a polycrystalline dielectric layer, the monocrystalline dielectric layer being relatively close to side surfaces of the insulating pattern compared to the polycrystalline dielectric layer an upper electrode on the capacitor dielectric layer may be provided.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Yeol KANG, Kyu Ho CHO, Han Jin LIM, Cheol Seong HWANG
  • Patent number: 11411069
    Abstract: A semiconductor device including a switching element on a substrate, a pad isolation layer on the switching element, a conductive pad passing through the pad isolation layer and connected to the switching element, an insulating pattern on the pad isolation layer and having a height greater than a horizontal width, a lower electrode on side surfaces of the insulating pattern on side surfaces of the insulating pattern and in contact with the conductive pad, a capacitor dielectric layer on the lower electrode and having a monocrystalline dielectric layer and a polycrystalline dielectric layer, the monocrystalline dielectric layer being relatively close to side surfaces of the insulating pattern compared to the polycrystalline dielectric layer an upper electrode on the capacitor dielectric layer may be provided.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 9, 2022
    Assignees: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sang Yeol Kang, Kyu Ho Cho, Han Jin Lim, Cheol Seong Hwang
  • Patent number: 11233118
    Abstract: An integrated circuit (IC) device includes an electrode, a dielectric layer facing the electrode, and a plurality of interface layers interposed between the electrode and the dielectric layer and including a first metal. The plurality of interface layers includes a first interface layer and a second interface layer. An oxygen content of the first interface layer is different from an oxygen content of the second interface layer.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: January 25, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young-Lim Park, Sun-Min Moon, Chang-Hwa Jung, Young-Geun Park, Jong-Bom Seo, Kyu-Ho Cho
  • Publication number: 20210343832
    Abstract: A capacitor includes a lower electrode including a first metal material and having a first crystal size in a range of a few nanometers, a dielectric layer covering the lower electrode and having a second crystal size that is a value of a crystal expansion ratio times the first crystal size and an upper electrode including a second metal material and covering the dielectric layer. The upper electrode has a third crystal size smaller than the second crystal size.
    Type: Application
    Filed: July 2, 2021
    Publication date: November 4, 2021
    Inventors: EUN-SUN KIM, SANG-YEOL KANG, KYOO-HO JUNG, KYU-HO CHO, HYO-SIK MUN
  • Publication number: 20210273039
    Abstract: An integrated circuit device includes a lower electrode, an upper electrode, and a dielectric layer structure between the lower electrode and the upper electrode, the dielectric layer structure including a first surface facing the lower electrode and a second surface facing the upper electrode. The dielectric layer structure includes a first dielectric layer including a first dielectric material and a plurality of grains extending from the first surface to the second surface and a second dielectric layer including a second dielectric material and surrounding a portion of a sidewall of each of the plurality of grains of the first dielectric layer in a level lower than the second surface. The second dielectric material includes a material having bandgap energy which is higher than bandgap energy of the first dielectric material.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Youn-soo KIM, Seung-min RYU, Chang-su WOO, Hyung-suk JUNG, Kyu-ho CHO, Youn-joung CHO
  • Patent number: 11088240
    Abstract: A capacitor includes a lower electrode including a first metal material and having a first crystal size in a range of a few nanometers, a dielectric layer covering the lower electrode and having a second crystal size that is a value of a crystal expansion ratio times the first crystal size and an upper electrode including a second metal material and covering the dielectric layer. The upper electrode has a third crystal size smaller than the second crystal size.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: August 10, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Sun Kim, Sang-Yeol Kang, Kyoo-Ho Jung, Kyu-Ho Cho, Hyo-Sik Mun
  • Publication number: 20210202693
    Abstract: A method of manufacturing a semiconductor device includes forming a preliminary lower electrode layer on a substrate, the preliminary lower electrode layer including a niobium oxide; converting at least a portion of the preliminary lower electrode layer to a first lower electrode layer comprising a niobium nitride by performing a nitridation process on the preliminary lower electrode layer; forming a dielectric layer on the first lower electrode layer; and forming an upper electrode on the dielectric layer.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jun-goo KANG, Sang-yeol KANG, Youn-soo KIM, Jin-su LEE, Hyung-suk JUNG, Kyu-ho CHO
  • Patent number: 11043553
    Abstract: An integrated circuit device includes a lower electrode, an upper electrode, and a dielectric layer structure between the lower electrode and the upper electrode, the dielectric layer structure including a first surface facing the lower electrode and a second surface facing the upper electrode. The dielectric layer structure includes a first dielectric layer including a first dielectric material and a plurality of grains extending from the first surface to the second surface and a second dielectric layer including a second dielectric material and surrounding a portion of a sidewall of each of the plurality of grains of the first dielectric layer in a level lower than the second surface. The second dielectric material includes a material having bandgap energy which is higher than bandgap energy of the first dielectric material.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: June 22, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-soo Kim, Seung-min Ryu, Chang-su Woo, Hyung-suk Jung, Kyu-ho Cho, Youn-joung Cho
  • Patent number: 10978552
    Abstract: A method of manufacturing a semiconductor device includes forming a preliminary lower electrode layer on a substrate, the preliminary lower electrode layer including a niobium oxide; converting at least a portion of the preliminary lower electrode layer to a first lower electrode layer comprising a niobium nitride by performing a nitridation process on the preliminary lower electrode layer; forming a dielectric layer on the first lower electrode layer; and forming an upper electrode on the dielectric layer.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-goo Kang, Sang-yeol Kang, Youn-soo Kim, Jin-su Lee, Hyung-suk Jung, Kyu-ho Cho
  • Publication number: 20210020735
    Abstract: A semiconductor device including a switching element on a substrate, a pad isolation layer on the switching element, a conductive pad passing through the pad isolation layer and connected to the switching element, an insulating pattern on the pad isolation layer and having a height greater than a horizontal width, a lower electrode on side surfaces of the insulating pattern on side surfaces of the insulating pattern and in contact with the conductive pad, a capacitor dielectric layer on the lower electrode and having a monocrystalline dielectric layer and a polycrystalline dielectric layer, the monocrystalline dielectric layer being relatively close to side surfaces of the insulating pattern compared to the polycrystalline dielectric layer an upper electrode on the capacitor dielectric layer may be provided.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 21, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang Yeol KANG, Kyu Ho CHO, Han Jin LIM, Cheol Seong HWANG
  • Patent number: 10825893
    Abstract: A semiconductor device includes a first electrode on a substrate, a second electrode on the substrate, a dielectric layer structure between the first electrode and the second electrode, and a crystallization inducing layer between the dielectric layer structure and the first electrode. The dielectric layer structure includes a first dielectric layer including a first dielectric material and a second dielectric layer on the first dielectric layer and including a second dielectric material.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: November 3, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-ho Cho, Sang-yeol Kang, Sun-min Moon, Young-lim Park, Jong-bom Seo
  • Patent number: D1061401
    Type: Grant
    Filed: July 14, 2023
    Date of Patent: February 11, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jae-Sung Jung, Kyu-Ho Cho