Patents Assigned to DNF CO., LTD.
  • Publication number: 20260090364
    Abstract: A method of manufacturing a sacrificial layer may include providing a first compound including an amine compound including at least one secondary amine and a second compound including an isocyanate compound, and forming a sacrificial layer including polyurea through a polymerization reaction of the first compound and the second compound.
    Type: Application
    Filed: June 27, 2025
    Publication date: March 26, 2026
    Applicants: Samsung Electronics Co., Ltd., DNF Co., Ltd.
    Inventors: Eunchan JEONG, Eunhyea KO, Gunjoo PARK, Jonghwan PARK, Seung SON, Sunggi KIM, Seungmin RYU, Sanghoon AHN, Minkyoung LEE, Youn Joung CHO, Junhee CHO, Hojung CHOI, Hoon HAN
  • Patent number: 12518963
    Abstract: Provided is a composition containing a silylamine 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 a silylamine compound capable of forming a silicon-containing thin film having a significantly excellent water vapor transmission rate to thereby be usefully used as a precursor of the silicon-containing thin film and an encapsulant of a display, and a method for manufacturing a silicon-containing thin film using the same.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: January 6, 2026
    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: 12473647
    Abstract: Provided are a composition for depositing an antimony-containing thin film including a novel antimony compound which may be useful as a precursor of an antimony-containing thin film and a method for manufacturing an antimony-containing thin film using the same.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: November 18, 2025
    Assignee: DNF CO., LTD.
    Inventors: Yong Hee Kwone, Young Jae Im, Sang Yong Jeon, Tae Seok Byun, Sang Chan Lee, Sang Ick Lee
  • Patent number: 12459959
    Abstract: Provided are an indium compound, a method of producing the same, a composition for depositing an indium-containing thin film including the same, and a method of producing an indium-containing thin film using the same. The provided indium compound has excellent thermal stability, high volatility, and improved vapor pressure, thereby producing an indium-containing thin film having a uniform thickness with an improved deposition speed by adopting the indium compound.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: November 4, 2025
    Assignee: DNF CO., LTD.
    Inventors: Yonghee Kwone, Youngjae Im, Sangyong Jeon, Taeseok Byun, Sangchan Lee, Sangick Lee
  • Patent number: 12384805
    Abstract: Provided are an iodine-containing metal compound, a composition for depositing a metal-containing thin film including the same, and a method of manufacturing a metal-containing thin film using the same. Since the composition for depositing a thin film according to one embodiment is present in a liquid state at room temperature, it has excellent storage and handling properties, and since the composition has high reactivity, a metal thin film may be efficiently formed using the composition.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: August 12, 2025
    Assignee: DNF CO., LTD.
    Inventors: Yong Hee Kwone, Young Jae Im, Sang Yong Jeon, Tae Seok Byun, Sang Chan Lee, Sang Ick Lee
  • Publication number: 20250179627
    Abstract: Provided are a composition for depositing a molybdenum-containing thin film, a method for manufacturing a molybdenum-containing thin film, and a molybdenum-containing thin film using the same, the composition for depositing a molybdenum-containing thin film comprising a precursor for thin film deposition comprising a monovalent molybdenum-based compound, a divalent molybdenum-based compound, a trivalent molybdenum-based compound, a tetravalent molybdenum-based compound, a pentavalent molybdenum-based compound, a hexavalent molybdenum-based compound, a zero-valent molybdenum-based compound that binds to at least two organic ligands, or any combination thereof, and a reactant comprising a compound represented by Chemical Formula 1, a compound represented by Chemical Formula 2, or a combination thereof, wherein a molar concentration of the reactant may be about 200 times or less than a molar concentration of the precursor for thin film deposition.
    Type: Application
    Filed: December 2, 2024
    Publication date: June 5, 2025
    Applicant: DNF Co., Ltd.
    Inventors: Jaewoon Kim, Geunho Choi, Gyu-Hee Park, JiHyeon Youn, Sangick Lee, Se Jin Jang, Sangyong Jeon, Yohan Jo, Younjoung Cho
  • Publication number: 20250163081
    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 17, 2025
    Publication date: May 22, 2025
    Applicants: DNF Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Hyunwoo Kim, Sunggi Kim, Yeonghun Kim, Samdong Lee, Sejin Jang, Gyuhee Park, Younjoung Cho, Byungkeun Hwang
  • Publication number: 20250157809
    Abstract: A thin-film forming composition includes an aluminum compound represented by General Formula (1). In General Formula (1), X1, X2, and X3 are each independently a halogen atom, R1 and R2 are each independently a C1-C5 alkyl group, and Y1 is a chalcogen atom.
    Type: Application
    Filed: November 1, 2024
    Publication date: May 15, 2025
    Applicants: Samsung Electronics Co., Ltd., DNF Co., Ltd.
    Inventors: Daeun Kim, Seung-Min Ryu, Gyu-Hee Park, Joongjin Park, Sangick Lee, Sanghun Lee, Seunghyeon Lee, Sejin Jang, Youn Joung Cho
  • 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
  • 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: 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: 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