Patents Assigned to DNF CO., LTD.
  • Patent number: 11901191
    Abstract: An atomic layer etching method capable of precisely etching a metal thin film at units of atomic layer from a substrate including the metal thin film, includes forming a metal layer on a substrate, and etching at least a portion of the metal layer. The etching at least a portion of the metal layer includes at least one etching cycle. The at least one etching cycle includes supplying an active gas onto the metal layer, and supplying an etching support gas after supplying the active gas. The etching support gas is expressed by the following general formula wherein each of R1, R2, R3, R4 and R5 independently includes hydrogen or a C1-C4 alkyl group, and N is nitrogen.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: February 13, 2024
    Assignees: Samsung Electronics Co., Ltd., DNF Co., Ltd.
    Inventors: Eun Hyea Ko, Hee Yeon Jeong, Jun Hee Cho, Gyu-Hee Park, Joong Jin Park, Byeong Il Yang, Youn Joung Cho, Ji Yu Choi
  • Publication number: 20230406822
    Abstract: A silicon compound, a composition, and associated methods, the silicon compound being represented by Chemical Formula (1): R1m(OR2)n(OR3)3-m-nSi—O—SiR4p(OR5)q(OR6)3-p-q,??Chemical Formula (1) wherein, in Chemical Formula (1), m, n, p, and q are each independently an integer of 0 to 3, and satisfy the following relations m+p?1, m+n?3, and p+q?3, R1 is a heterocyclic group, R4 is a heterocyclic group, a carbon saturated group, or a carbon unsaturated group, and R2, R3, R5, and R6 are each independently a hydrogen atom, a C1-C7 alkyl group, a C2-C7 alkenyl group, a C3-C7 cycloalkyl group, or a C3-C7 cycloalkenyl group.
    Type: Application
    Filed: June 14, 2023
    Publication date: December 21, 2023
    Applicant: DNF Co., Ltd.
    Inventors: Sunhye HWANG, Sunggi KIM, Yeonghun KIM, Gyunsang LEE, Jihyun LEE, Gyuhee PARK, Seung SON, Younjoung CHO, Byungkeun HWANG
  • Publication number: 20230407051
    Abstract: A silicon compound, a composition for depositing a silicon-containing film, a process of forming a silicon-containing film, and a method of manufacturing an integrated circuit device, the silicon compound is represented by Chemical Formula (1):
    Type: Application
    Filed: June 6, 2023
    Publication date: December 21, 2023
    Applicant: DNF Co., Ltd.
    Inventors: Jihyun LEE, Sunggi KIM, Yujin CHO, Sunhye HWANG, Seung SON, Gyunsang LEE, Younjoung CHO, Byungkeun HWANG
  • Patent number: 11827650
    Abstract: Provided are a method of manufacturing a ruthenium-containing thin film and a ruthenium-containing thin film manufactured therefrom, and the method of manufacturing a ruthenium-containing thin film of the present invention uses a ruthenium(0)-based hydrocarbon compound and specific reaction gas, whereby a high-purity thin film may be easily manufactured by a simple process.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: November 28, 2023
    Assignee: DNF CO., LTD.
    Inventors: Myong Woon Kim, Sang Ick Lee, Sung Woo Cho, Mi Jeong Han, Haeng Don Lim
  • Publication number: 20230307227
    Abstract: Provided are a silicon precursor having a heterocyclic group, a composition for depositing a silicon-containing layer including the same, and a method of depositing a silicon-containing layer using the same. The silicon precursor is represented by Formula 1. In Formula 1, A1 is a heterocyclic group including one or more nitrogen, and R1 is hydrogen or an alkyl group of 1-6 carbon atoms. R2 and R3 may be each independently an alkyl group of 1-6 carbon atoms.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 28, 2023
    Applicants: Samsung Electronics Co., Ltd., DNF Co., Ltd.
    Inventors: Sunhye HWANG, Sung Gi KIM, Jihyun LEE, Yujin CHO, Seung SON, Gyun Sang LEE, Younjoung CHO, Byungkeun HWANG
  • Publication number: 20230304155
    Abstract: Provided is a precursor for depositing a silicon-containing layer, the silicon precursor having a heterocyclic group, and a method of depositing a silicon-containing layer using the same. The silicon precursor is represented by Formula 1. In Formula 1, A1 is a heterocyclic group including one or more nitrogen, and R1 is hydrogen or an alkyl group of 1˜6 carbon atoms. R2 may be an alkyl group of 1˜6 carbon atoms. R3 may be an alkyl group of 1˜6 carbon atoms.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 28, 2023
    Applicants: Samsung Electronics Co., Ltd., DNF Co., LTD
    Inventors: Sunhye HWANG, Sung Gi Kim, Jihyun Lee, Yujin Cho, Seung Son, Gyun Sang Lee, Younjoung Cho, Byungkeun Hwang
  • Patent number: 11749522
    Abstract: Provided are a composition for depositing a silicon-containing thin film containing a bis(aminosilyl)alkylamine compound and a method for manufacturing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film, containing the bis(aminosilyl)alkylamine compound capable of being usefully used as a precursor of the silicon-containing thin film, and a method for manufacturing a silicon-containing thin film using the same.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: September 5, 2023
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Jeong Joo Park, Joong Jin Park, Se Jin Jang, Byeong-Il Yang, Sang-Do Lee, Sam Dong Lee, Sang Ick Lee, Myong Woon Kim
  • Publication number: 20220380390
    Abstract: Silicon compounds may be represented by the following formula: Each of Ra, Rb, and Rc may be a hydrogen atom, a halogen atom, a C1-C7 alkyl group, an amino group, a C1-C7 alkyl amino group, or a C1-C7 alkoxy group, Rd may be a C1-C7 alkyl group, a C1-C7 alkyl amino group, or a silyl group represented by a formula of *—Si(X1)(X2)(X3). Each of X1, X2, and X3 may be a hydrogen atom, a halogen atom, a C1-C7 alkyl group, an amino group, a C1-C7 alkyl amino group, or a C1-C7 alkoxy group, and * is a bonding site. In some embodiments, when Rb is the C1-C7 alkyl amino group and Rd is the C1-C7 alkyl group, Rb may be connected to Rd to form a ring. To manufacture an integrated circuit (IC) device, a silicon-containing film may be formed on a substrate using the silicon compound of the formula provided above.
    Type: Application
    Filed: January 12, 2022
    Publication date: December 1, 2022
    Applicant: DNF Co., Ltd.
    Inventors: HYUNWOO KIM, SUNGGI KIM, YEONGHUN KIM, SAMDONG LEE, SEJIN JANG, GYUHEE PARK, YOUNJOUNG CHO, BYUNGKEUN HWANG
  • Publication number: 20220375760
    Abstract: An atomic layer etching method capable of precisely etching a metal thin film at units of atomic layer from a substrate including the metal thin film, includes forming a metal layer on a substrate, and etching at least a portion of the metal layer. The etching at least a portion of the metal layer includes at least one etching cycle. The at least one etching cycle includes supplying an active gas onto the metal layer, and supplying an etching support gas after supplying the active gas. The etching support gas is expressed by the following general formula wherein each of R1, R2, R3, R4 and R5 independently includes hydrogen or a C1-C4 alkyl group, and N is nitrogen.
    Type: Application
    Filed: November 26, 2021
    Publication date: November 24, 2022
    Applicant: DNF CO., LTD.
    Inventors: EUN HYEA KO, HEE YEON JEONG, JUN HEE CHO, GYU-HEE PARK, JOONG JIN PARK, BYEONG IL YANG, YOUN JOUNG CHO, JI YU CHOI
  • Patent number: 11459653
    Abstract: The present invention provides a method for manufacturing a molybdenum-containing thin film and a molybdenum-containing thin film manufactured thereby. By using a molybdenum (0)-based hydrocarbon compound and a predetermined reaction gas, the method for manufacturing a molybdenum-containing thin film according to the present invention enables easy manufacturing of a highly pure thin film in a simple process.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: October 4, 2022
    Assignee: DNF CO., LTD.
    Inventors: Myong Woon Kim, Sang Ick Lee, Jang Woo Seo, Sang Yong Jeon, Haeng Don Lim
  • Patent number: 11447859
    Abstract: Provided are a novel metal triamine compound, a method for preparing the same, a composition for depositing a metal-containing thin film including the same, and a method for preparing a metal-containing thin film using the same. The metal triamine compound of the present invention has excellent reactivity, is thermally stable, has high volatility, and has high storage stability, and thus, it may be used as a metal-containing precursor to easily prepare a high-purity metal-containing thin film having high density.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: September 20, 2022
    Assignee: DNF CO., LTD.
    Inventors: Myong Woon Kim, Sang Ick Lee, Sang Jun Yim, Won Mook Chae, Jeong Hyeon Park, Kang Yong Lee, A Ra Cho, Joong Jin Park, Heang Don Lim
  • Patent number: 11393676
    Abstract: Provided are a composition for depositing a silicon-containing thin film containing a bis(aminosilyl)alkylamine compound and a method for manufacturing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film, containing the bis(aminosilyl)alkylamine compound capable of being usefully used as a precursor of the silicon-containing thin film, and a method for manufacturing a silicon-containing thin film using the same.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 19, 2022
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Jeong Joo Park, Joong Jin Park, Se Jin Jang, Byeong-Il Yang, Sang-Do Lee, Sam Dong Lee, Sang Ick Lee, Myong Woon Kim
  • Patent number: 11390635
    Abstract: Provided are a composition for depositing a silicon-containing thin film, containing a trisilylamine compound and a method for producing a silicon-containing thin film using the same, and more particularly, a composition for depositing a silicon-containing thin film, containing a trisilylamine compound which is capable of forming a silicon-containing thin film at a very high deposition rate at a low temperature to be usable as a precursor of a silicon-containing thin film and an encapsulant of a display, and a method for producing a silicon-containing thin film by using the same.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: July 19, 2022
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Joong Jin Park, Byeong-il Yang, Se Jin Jang, Gun-Joo Park, Jeong Joo Park, Hee Yeon Jeong, Sam Dong Lee, Sang Ick Lee, Myong Woon Kim
  • Patent number: 11358974
    Abstract: Provided are a silylamine compound, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing a silicon-containing thin film using the composition, and more particularly, to a silylamine compound capable of being usefully used as a precursor of a silicon-containing thin film, a composition for depositing a silicon-containing thin film containing the same, and a method for manufacturing a silicon-containing thin film using the composition.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: June 14, 2022
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Jeong Joo Park, Joong Jin Park, Se Jin Jang, Byeong-il Yang, Sang-Do Lee, Sam Dong Lee, Sang Ick Lee, Myong Woon Kim
  • Patent number: 11319333
    Abstract: Provided are a novel disilylamine compound, a method for preparing same, and a composition for depositing a silicon-containing thin film including the same. A disilylamine compound of the present invention has excellent reactivity, is thermally stable, and has high volatility, and thus, is used as a silicon-containing precursor, thereby manufacturing a high-quality silicon-containing thin film.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: May 3, 2022
    Assignee: DNF CO., LTD
    Inventors: Sung Gi Kim, Se Jin Jang, Byeong-il Yang, Joong Jin Park, Sang-Do Lee, Jeong Joo Park, Sam Dong Lee, Gun-Joo Park, Sang Ick Lee, Myong Woon Kim
  • Patent number: 11230492
    Abstract: An anti-glare glass of the present disclosure has excellent anti-glare properties and visibility by forming glass in which polysilazane-derived surface unevenness are applied to a glass surface without mixing a heterogeneous element, and has remarkably improved wear resistance and durability since the polysilazane is changed for glass on the glass surface by thermal treatment.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: January 25, 2022
    Assignee: DNF CO., LTD.
    Inventors: Myong Woon Kim, Man Young Park, Hyun Gwan Kim, Ki Hoon Song, Jae Won Oh
  • Publication number: 20210222294
    Abstract: Provided are a novel metal triamine compound, a method for preparing the same, a composition for depositing a metal-containing thin film including the same, and a method for preparing a metal-containing thin film using the same. The metal triamine compound of the present invention has excellent reactivity, is thermally stable, has high volatility, and has high storage stability, and thus, it may be used as a metal-containing precursor to easily prepare a high-purity metal-containing thin film having high density.
    Type: Application
    Filed: April 26, 2018
    Publication date: July 22, 2021
    Applicant: DNF Co., Ltd.
    Inventors: Myong Woon KIM, Sang Ick LEE, Sang Jun YIM, Won Mook CHAE, Jeong Hyeon PARK, Kang Yong LEE, A Ra CHO, Joong Jin PARK, Heang Don LIM
  • Patent number: 11062940
    Abstract: An organometallic precursor includes tungsten as a central metal and a cyclopentadienyl ligand bonded to the central metal. A first structure including an alkylsilyl group or a second structure including an allyl ligand is bonded to the cyclopentadienyl ligand or bonded to the central metal.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: July 13, 2021
    Assignees: Samsung Electronics Co., Ltd., DNF Co., Ltd.
    Inventors: Chang-Woo Sun, Ji-Eun Yun, Jae-Soon Lim, Youn-Joung Cho, Myong-Woon Kim, Kang-yong Lee, Sang-Ick Lee, Sung-Woo Cho
  • Patent number: 10913755
    Abstract: The present invention relates to: a novel transition metal compound; a preparation method therefor; a composition for depositing a transition metal-containing thin film, containing the same; a transition metal-containing thin film using the composition for depositing a transition metal-containing thin film; and a method for preparing a transition metal-containing thin film. The transition metal compound of the present invention has high thermal stability, high volatility, and high storage stability, and thus a transition metal-containing thin film having high-density and high-purity can be easily prepared by using the same as a precursor.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: February 9, 2021
    Assignee: DNF CO., LTD.
    Inventors: Myong Woon Kim, Sang Ick Lee, Won Mook Chae, Sang Jun Yim, Kang Yong Lee, A Ra Cho, Sang Yong Jeon, Haeng Don Lim
  • Patent number: 10894799
    Abstract: Provided are a novel disilylamine compound, a method for preparing same, and a composition for depositing a silicon-containing thin film including the same. A disilylamine compound of the present invention has excellent reactivity, is thermally stable, and has high volatility, and thus, is used as a silicon-containing precursor, thereby manufacturing a high-quality silicon-containing thin film.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: January 19, 2021
    Assignee: DNF CO., LTD.
    Inventors: Sung Gi Kim, Se Jin Jang, Byeong-il Yang, Joong Jin Park, Sang-Do Lee, Jeong Joo Park, Sam Dong Lee, Gun-Joo Park, Sang Ick Lee, Myong Woon Kim