Patents by Inventor Ji Eun Han

Ji Eun Han 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: 12644179
    Abstract: The present disclosure relates to an apparatus for collecting reaction by-products for semiconductor processes through pyrolysis in a high-temperature region and an oxidation reaction in a low-temperature region, and an object of the present disclosure is to provide an apparatus for collecting reaction by-products, which is capable of collecting powdered oxides grown from High K materials by inducing an oxidation reaction in a box-shaped collection part having a low-temperature region formed by a cooling pad part after thermally decomposing the High K material at a high temperature of a heater in an inlet port of the collection apparatus when High K deposition precursors, which are supplied to a process chamber for an oxidation process for depositing a semiconductor dielectric film with the High K material having high permittivity in order to miniaturize a semiconductor circuit, are discharged together with exhaust gas.
    Type: Grant
    Filed: September 1, 2023
    Date of Patent: June 2, 2026
    Assignee: MILAEBO CO., LTD.
    Inventors: Che Hoo Cho, Yeon Ju Lee, Ji Eun Han, Sung Won Yoon
  • Patent number: 12438010
    Abstract: The present disclosure relates to an apparatus for collecting by-products for a semiconductor manufacturing process with improved collection space efficiency, and an object of the present disclosure is to provide an apparatus for collecting by-products, which provides a multi-stage collection function while guiding a flow of exhaust gas through an internal collection tower, which includes an upper-end collection part, an intermediate collection part, and a lower-end collection part by guiding the exhaust gas to a lower side through a peripheral portion after heating the exhaust gas, which is introduced into the collection apparatus, by using a heater, and allows main by-products to be accumulated in an internal space of the intermediate collection part having open gas flow structures of an inner region and an inner wall housing, thereby improving efficiency of a collection space.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: October 7, 2025
    Assignee: MILAEBO CO., LTD.
    Inventors: Che Hoo Cho, Yeon Ju Lee, Ji Eun Han, Woo Yeon Won
  • Patent number: 12195849
    Abstract: An apparatus is for trapping multiple reaction by-products for a semiconductor process, in which a trapping region is divided by a difference in vertical temperature distribution according to a distance spaced apart from a heater and by structures for switching flow path directions and generating multiple vortices using a trapping structure, and reaction by-product mixtures contained in a gas, which is discharged after a process of depositing multiple different thin film layers is performed in a process chamber during a semiconductor manufacturing process, is trapped by a single trapping apparatus, such that a reaction by-product, which is aggregated in the form of a thin film in a relatively high-temperature region, is trapped by a first trapping part in an upper region, and a reaction by-product, which is aggregated in the form of powder in a relatively low-temperature region, is trapped by a second trapping part in a lower region.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: January 14, 2025
    Assignee: MILAEBO CO., LTD.
    Inventors: Che Hoo Cho, Yeon Ju Lee, Jin Woong Kim, Ji Eun Han
  • Publication number: 20240425980
    Abstract: The present disclosure relates to an apparatus for collecting reaction by-products for semiconductor processes through pyrolysis in a high-temperature region and an oxidation reaction in a low-temperature region, and an object of the present disclosure is to provide an apparatus for collecting reaction by-products, which is capable of collecting powdered oxides grown from High K materials by inducing an oxidation reaction in a box-shaped collection part having a low-temperature region formed by a cooling pad part after thermally decomposing the High K material at a high temperature of a heater in an inlet port of the collection apparatus when High K deposition precursors, which are supplied to a process chamber for an oxidation process for depositing a semiconductor dielectric film with the High K material having high permittivity in order to miniaturize a semiconductor circuit, are discharged together with exhaust gas.
    Type: Application
    Filed: September 1, 2023
    Publication date: December 26, 2024
    Applicant: MILAEBO CO., LTD.
    Inventors: Che Hoo CHO, Yeon Ju LEE, Ji Eun HAN, Sung Won YOON
  • Patent number: 12104247
    Abstract: The present disclosure relates to an apparatus for trapping multiple reaction by-products for a semiconductor process, in which in order to separate, with the single trapping apparatus, reaction by-product mixtures contained in unreacted gases discharged after a process of depositing multiple different thin film layers is performed in a process chamber during a semiconductor manufacturing process, a trapping region division part is provided, which divides a heat distribution region into trapping regions for respective reaction by-products while controlling a flow in a movement direction of an introduced unreacted gas, thereby trapping a reaction by-product aggregated in the form of a thin film in a relatively high-temperature region by using a first internal trapping tower in a front region, and trapping a reaction by-product aggregated in the form of powder in a relatively low-temperature region by using a second internal trapping tower in a rear region.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: October 1, 2024
    Assignee: MILAEBO CO., LTD.
    Inventors: Che Hoo Cho, Yeon Ju Lee, Jin Woong Kim, Ji Eun Han
  • Publication number: 20240321595
    Abstract: The present disclosure relates to an apparatus for collecting by-products for a semiconductor manufacturing process with improved collection space efficiency, and an object of the present disclosure is to provide an apparatus for collecting by-products, which provides a multi-stage collection function while guiding a flow of exhaust gas through an internal collection tower, which includes an upper-end collection part, an intermediate collection part, and a lower-end collection part by guiding the exhaust gas to a lower side through a peripheral portion after heating the exhaust gas, which is introduced into the collection apparatus, by using a heater, and allows main by-products to be accumulated in an internal space of the intermediate collection part having open gas flow structures of an inner region and an inner wall housing, thereby improving efficiency of a collection space.
    Type: Application
    Filed: August 2, 2023
    Publication date: September 26, 2024
    Applicant: MILAEBO CO., LTD.
    Inventors: Che Hoo CHO, Yeon Ju LEE, Ji Eun HAN, Woo Yeon WON
  • Patent number: 12030007
    Abstract: The present disclosure relates to an apparatus for trapping a reaction by-product created by an etching process, the apparatus being configured to trap a reaction by-product contained in an unreacted gas discharged after a process is performed in an etching process chamber during a semiconductor manufacturing process, trap and stack the reaction by-product in the form of powder at a position between a vacuum pump and a scrubber through multiple flow path switching structures, multiple trapping structures, and multiple stacking structures, and discharge only a gaseous unreacted gas to the scrubber.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: July 9, 2024
    Assignee: MILAEBO CO., LTD.
    Inventors: Che Hoo Cho, Yeon Ju Lee, In Hwan Kim, Ji Eun Han, Sung Won Yoon
  • Patent number: 11872516
    Abstract: The present disclosure relates to an apparatus for trapping of a reaction by-product with an extended available collection area. The configuration of the present disclosure relates to an apparatus for trapping of a reaction by-product, which is configured to accommodate gas, which is discharged after a deposition process during a semiconductor manufacturing process, in a housing (1), heat the gas with a heater (2), trap a reaction by-product contained in the gas by using an internal trapping tower (3), and discharge only the gas.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: January 16, 2024
    Assignee: MILAEBO CO., LTD.
    Inventors: Che Hoo Cho, Yeon Ju Lee, Jun Min Lee, Ji Eun Han
  • Publication number: 20230311051
    Abstract: The present disclosure relates to an apparatus for trapping of a reaction by-product with an extended available collection area. The configuration of the present disclosure relates to an apparatus for trapping of a reaction by-product, which is configured to accommodate gas, which is discharged after a deposition process during a semiconductor manufacturing process, in a housing (1), heat the gas with a heater (2), trap a reaction by-product contained in the gas by using an internal trapping tower (3), and discharge only the gas.
    Type: Application
    Filed: June 3, 2022
    Publication date: October 5, 2023
    Applicant: MILAEBO CO., LTD.
    Inventors: Che Hoo CHO, Yeon Ju LEE, Jun Min LEE, Ji Eun HAN
  • Publication number: 20220410047
    Abstract: The present disclosure relates to an apparatus for trapping a reaction by-product created by an etching process, the apparatus being configured to trap a reaction by-product contained in an unreacted gas discharged after a process is performed in an etching process chamber during a semiconductor manufacturing process, trap and stack the reaction by-product in the form of powder at a position between a vacuum pump and a scrubber through multiple flow path switching structures, multiple trapping structures, and multiple stacking structures, and discharge only a gaseous unreacted gas to the scrubber.
    Type: Application
    Filed: September 17, 2021
    Publication date: December 29, 2022
    Applicant: MILAEBO CO., LTD.
    Inventors: Che Hoo CHO, Yeon Ju LEE, In Hwan KIM, Ji Eun HAN, Sung Won YOON
  • Publication number: 20220349053
    Abstract: An apparatus is for trapping multiple reaction by-products for a semiconductor process, in which a trapping region is divided by a difference in vertical temperature distribution according to a distance spaced apart from a heater and by structures for switching flow path directions and generating multiple vortices using a trapping structure, and reaction by-product mixtures contained in a gas, which is discharged after a process of depositing multiple different thin film layers is performed in a process chamber during a semiconductor manufacturing process, is trapped by a single trapping apparatus, such that a reaction by-product, which is aggregated in the form of a thin film in a relatively high-temperature region, is trapped by a first trapping part in an upper region, and a reaction by-product, which is aggregated in the form of powder in a relatively low-temperature region, is trapped by a second trapping part in a lower region.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 3, 2022
    Applicant: MILAEBO CO., LTD.
    Inventors: Che Hoo CHO, Yeon Ju LEE, Jin Woong KIM, Ji Eun HAN
  • Publication number: 20220349052
    Abstract: The present disclosure relates to an apparatus for trapping multiple reaction by-products for a semiconductor process, in which in order to separate, with the single trapping apparatus, reaction by-product mixtures contained in unreacted gases discharged after a process of depositing multiple different thin film layers is performed in a process chamber during a semiconductor manufacturing process, a trapping region division part is provided, which divides a heat distribution region into trapping regions for respective reaction by-products while controlling a flow in a movement direction of an introduced unreacted gas, thereby trapping a reaction by-product aggregated in the form of a thin film in a relatively high-temperature region by using a first internal trapping tower in a front region, and trapping a reaction by-product aggregated in the form of powder in a relatively low-temperature region by using a second internal trapping tower in a rear region.
    Type: Application
    Filed: July 15, 2021
    Publication date: November 3, 2022
    Applicant: MILAEBO CO., LTD.
    Inventors: Che Hoo CHO, Yeon Ju LEE, Jin Woong KIM, Ji Eun HAN
  • Patent number: 9441017
    Abstract: The present invention relates to a soluble polypeptide comprised of repeat modules. More particularly, the present invention relates to a soluble fusion polypeptide of the N-terminal domain of internalin and LRR (Leucine rich repeat) family protein, a method for preparing the polypeptide, a vector comprising a nucleic acid sequence encoding the polypeptide, a host cell comprising the vector, a method for producing a solubility and folding-improved fusion polypeptide by expressing the vector in the host cell, and a method for improving the solubility and folding of the fusion polypeptide. Further, the present invention relates to a method for preparing the polypeptide bound with a specific target and analyzing the efficacy of the soluble polypeptide.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: September 13, 2016
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hak Sung Kim, Dong Sup Kim, Sang Chul Lee, Byung Chul Lee, Ji Eun Han, Joong Jae Lee, Keun Wan Park, Seung Pyo Hong
  • Publication number: 20140088292
    Abstract: The present invention relates to a soluble polypeptide comprised of repeat modules. More particularly, the present invention relates to a soluble fusion polypeptide of the N-terminal domain of internalin and LRR (Leucine rich repeat) family protein, a method for preparing the polypeptide, a vector comprising a nucleic acid sequence encoding the polypeptide, a host cell comprising the vector, a method for producing a solubility and folding-improved fusion polypeptide by expressing the vector in the host cell, and a method for improving the solubility and folding of the fusion polypeptide. Further, the present invention relates to a method for preparing the polypeptide bound with a specific target and analyzing the efficacy of the soluble polypeptide.
    Type: Application
    Filed: March 22, 2012
    Publication date: March 27, 2014
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hak Sung Kim, Dong Sup Kim, Sang Chul Lee, Byung Chul Lee, Ji Eun Han, Joong Jae Lee, Keun Wan Park, Seung Pyo Hong