Patents by Inventor Jeong-Wook Seo

Jeong-Wook Seo 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: 20250239403
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes laminated with the dielectric layers interposed therebetween, and an external electrode disposed externally on the body and connected to one or more of the plurality of internal electrodes. One of the plurality of dielectric layers includes a barium titanate composition including a Sn component. One of the plurality of internal electrodes includes a Sn component. The one of the plurality of dielectric layers has a Sn content equal to at least twice a Sn content of the one of the plurality of internal electrodes adjacent to the one of the plurality of dielectric layers.
    Type: Application
    Filed: April 9, 2025
    Publication date: July 24, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo Kim, Jong Suk Jeong, Chun Hee Seo, Jeong Wook Seo, Dong Geon Yoo, Tae Hyung Kim, Byung Kun Kim, Ki Yong Lee
  • Patent number: 12334263
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes laminated with the dielectric layers interposed therebetween, and an external electrode disposed externally on the body and connected to one or more of the plurality of internal electrodes. One of the plurality of dielectric layers includes a barium titanate composition including a Sn component. One of the plurality of internal electrodes includes a Sn component. The one of the plurality of dielectric layers has a Sn content equal to at least twice a Sn content of the one of the plurality of internal electrodes adjacent to the one of the plurality of dielectric layers.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: June 17, 2025
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo Kim, Jong Suk Jeong, Chun Hee Seo, Jeong Wook Seo, Dong Geon Yoo, Tae Hyung Kim, Byung Kun Kim, Ki Yong Lee
  • Patent number: 12176151
    Abstract: A multilayer capacitor includes a body including a laminate structure in which at least one first internal electrode and at least one second internal electrode are alternately stacked in a first direction with at least one dielectric layer therebetween, and first and second external electrodes spaced apart on the body, to be connected to at least one first internal electrode and at least one second internal electrode, respectively. The body includes, in a larger molar content, at least one selected from the group consisting of Dy, Tb, Y, Sm, Ho, Gd, Er, Ce, La and Nd in a capacitance formation region including a region between at least one first internal electrode and at least one second internal electrode than in a margin region including a region between a boundary line of at least one first internal electrode and at least one second internal electrode and a surface of the body.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: December 24, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Wook Seo, Hee Sun Chun, Tae Hyung Kim, Hui Sun Park, Hyeg Soon An, Hyo Ju Lee, Jin Woo Kim, Seok Hyun Yoon
  • Patent number: 12125641
    Abstract: A dielectric composition includes a BaTiO3-based component as a main component, a donor component including a first element and a second element each having a shorter ionic radius and greater atomic weight than Ba, and an acceptor component including at least one of Mg, Al, Mn and V. An ionic radius of the second element is greater than an ionic radius of the first element, a molar content of the second element is less than a molar content of the first element, and a molar content of the acceptor component is greater than a molar content of the donor component.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: October 22, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hui Sun Park, Seok Hyun Yoon, Jin Woo Kim, Jeong Wook Seo, Hyeg Soon An, Tae Hyung Kim, Hyo Ju Lee, Hee Sun Chun
  • Publication number: 20240347273
    Abstract: A ceramic electronic component includes: a body including an active portion, including a first dielectric layer and an internal electrode, and a margin portion disposed a side surface of the active portion and including a second dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The first and second dielectric layers have different dielectric compositions. The first dielectric layer includes tin (Sn) and dysprosium (Dy). The second dielectric layer includes magnesium (Mg).
    Type: Application
    Filed: June 27, 2024
    Publication date: October 17, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyung KIM, Hee Sun CHUN, Hyo Ju LEE, Hyeg Soon AN, Hui Sun PARK, Jeong Wook SEO, Jin Woo KIM, Seok Hyun YOON
  • Patent number: 12062494
    Abstract: A ceramic electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.
    Type: Grant
    Filed: August 24, 2023
    Date of Patent: August 13, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Sun Chun, Hui Sun Park, Tae Hyung Kim, Jeong Wook Seo, Hyo Ju Lee, Hyeg Soon An, Jin Woo Kim, Seok Hyun Yoon
  • Patent number: 12051544
    Abstract: A ceramic electronic component includes: a body including an active portion, including a first dielectric layer and an internal electrode, and a margin portion disposed a side surface of the active portion and including a second dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The first and second dielectric layers have different dielectric compositions. The first dielectric layer includes tin (Sn) and dysprosium (Dy). The second dielectric layer includes magnesium (Mg).
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: July 30, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyung Kim, Hee Sun Chun, Hyo Ju Lee, Hyeg Soon An, Hui Sun Park, Jeong Wook Seo, Jin Woo Kim, Seok Hyun Yoon
  • Publication number: 20230411076
    Abstract: A ceramic electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.
    Type: Application
    Filed: August 24, 2023
    Publication date: December 21, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Sun CHUN, Hui Sun PARK, Tae Hyung KIM, Jeong Wook SEO, Hyo Ju LEE, Hyeg Soon AN, Jin Woo KIM, Seok Hyun YOON
  • Publication number: 20230335338
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer, and an external electrode disposed on the body. The dielectric layer includes a BaTiO3-based base material main ingredient, a sub-ingredient including Dy, and an additive. The additive is one or more of Sm, Gd and Tb, and a content of the additive is 25 mol or more and less than 50 mol relative to 100 mol of Dy. The dielectric layer includes a plurality of dielectric grains. When an average grain size of the plurality of dielectric grains is represented by G, and an average thickness of the dielectric layer is represented by td, 1.75?td/G?2.23 is satisfied.
    Type: Application
    Filed: August 31, 2022
    Publication date: October 19, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyeg Soon AN, Hui Sun PARK, Jeong Wook SEO, Tae Hyung KIM, Hee Sun CHUN, Hyo Ju LEE, Jin Woo KIM, Seok Hyun YOON
  • Patent number: 11791098
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers, and a plurality of internal electrodes stacked with one of the dielectric layers interposed therebetween, and external electrodes disposed on external surfaces of the body and connected to the internal electrodes, respectively. The plurality of dielectric layers include a dielectric expressed by empirical formula BaM1aTi1-xSnxM2bO3 (0.008?x?0.05, 0.006?a?0.03, and 0.0006?b<0.006) in which M1 includes a rare earth element, and M2 includes at least one of Mn or V.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo Kim, Jong Suk Jeong, Jong Hoon Yoo, Chun Hee Seo, Jeong Wook Seo, Dong Geon Yoo, Dong Hun Kim, Su Been Kim
  • Patent number: 11776750
    Abstract: A ceramic electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Sun Chun, Hui Sun Park, Tae Hyung Kim, Jeong Wook Seo, Hyo Ju Lee, Hyeg Soon An, Jin Woo Kim, Seok Hyun Yoon
  • Patent number: 11657964
    Abstract: A multilayer capacitor includes a capacitor body including an active region having dielectric layers and internal electrodes alternately stacked therein, the capacitor body including upper and lower covers disposed on upper and lower surfaces of the active region, respectively; and an external electrode disposed on an external surface of the capacitor body. In one of the upper and lower covers, a portion thereof between a boundary surface of the active region and a boundary surface of the capacitor body is divided into a first cover region adjacent to the active region and a second cover region adjacent to the boundary surface of the capacitor body, and the first cover region includes grains having a core-shell structure doped with Sn. The first cover region includes 20% or more of Sn-doped core-shell structure grains, compared to the total of grains in the first cover region.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chun Hee Seo, Jong Suk Jeong, Jin Woo Kim, Tae Hyung Kim, Jeong Wook Seo, Dong Geon Yoo, Jong Hoon Yoo, Su Been Kim
  • Publication number: 20230126670
    Abstract: A ceramic electronic component includes: a body including an active portion, including a first dielectric layer and an internal electrode, and a margin portion disposed a side surface of the active portion and including a second dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The first and second dielectric layers have different dielectric compositions. The first dielectric layer includes tin (Sn) and dysprosium (Dy). The second dielectric layer includes magnesium (Mg).
    Type: Application
    Filed: January 6, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyung KIM, Hee Sun CHUN, Hyo Ju LEE, Hyeg Soon AN, Hui Sun PARK, Jeong Wook SEO, Jin Woo KIM, Seok Hyun YOON
  • Publication number: 20230130377
    Abstract: A multilayer capacitor includes a body including a laminate structure in which at least one first internal electrode and at least one second internal electrode are alternately stacked in a first direction with at least one dielectric layer therebetween, and first and second external electrodes spaced apart on the body, to be connected to at least one first internal electrode and at least one second internal electrode, respectively. The body includes, in a larger molar content, at least one selected from the group consisting of Dy, Tb, Y, Sm, Ho, Gd, Er, Ce, La and Nd in a capacitance formation region including a region between at least one first internal electrode and at least one second internal electrode than in a margin region including a region between a boundary line of at least one first internal electrode and at least one second internal electrode and a surface of the body.
    Type: Application
    Filed: January 7, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Wook SEO, Hee Sun CHUN, Tae Hyung KIM, Hui Sun PARK, Hyeg Soon AN, Hyo Ju LEE, Jin Woo KIM, Seok Hyun YOON
  • Publication number: 20230129325
    Abstract: A ceramic electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. At least a region of the dielectric layer includes tin (Sn) and a lanthanide rare earth element (RE) including dysprosium (Dy). In the at least a region of the dielectric layer, a molar ratio of tin (Sn) to dysprosium (Dy) is from 0.15 to 0.30.
    Type: Application
    Filed: January 10, 2022
    Publication date: April 27, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hee Sun CHUN, Hui Sun PARK, Tae Hyung KIM, Jeong Wook SEO, Hyo Ju LEE, Hyeg Soon AN, Jin Woo KIM, Seok Hyun YOON
  • Publication number: 20230119343
    Abstract: A dielectric composition includes a BaTiO3-based component as a main component, a donor component including a first element and a second element each having a shorter ionic radius and greater atomic weight than Ba, and an acceptor component including at least one of Mg, Al, Mn and V. An ionic radius of the second element is greater than an ionic radius of the first element, a molar content of the second element is less than a molar content of the first element, and a molar content of the acceptor component is greater than a molar content of the donor component.
    Type: Application
    Filed: January 4, 2022
    Publication date: April 20, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hui Sun Park, Seok Hyun Yoon, Jin Woo Kim, Jeong Wook Seo, Hyeg Soon An, Tae Hyung Kim, Hyo Ju Lee, Hee Sun Chun
  • Publication number: 20220230807
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers and a plurality of internal electrodes laminated with the dielectric layers interposed therebetween, and an external electrode disposed externally on the body and connected to one or more of the plurality of internal electrodes. One of the plurality of dielectric layers includes a barium titanate composition including a Sn component. One of the plurality of internal electrodes includes a Sn component. The one of the plurality of dielectric layers has a Sn content equal to at least twice a Sn content of the one of the plurality of internal electrodes adjacent to the one of the plurality of dielectric layers.
    Type: Application
    Filed: December 6, 2021
    Publication date: July 21, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo Kim, Jong Suk Jeong, Chun Hee Seo, Jeong Wook Seo, Dong Geon Yoo, Tae Hyung Kim, Byung Kun Kim, Ki Yong Lee
  • Publication number: 20220199324
    Abstract: A multilayer capacitor includes a capacitor body including an active region having dielectric layers and internal electrodes alternately stacked therein, the capacitor body including upper and lower covers disposed on upper and lower surfaces of the active region, respectively; and an external electrode disposed on an external surface of the capacitor body. In one of the upper and lower covers, a portion thereof between a boundary surface of the active region and a boundary surface of the capacitor body is divided into a first cover region adjacent to the active region and a second cover region adjacent to the boundary surface of the capacitor body, and the first cover region includes grains having a core-shell structure doped with Sn. The first cover region includes 20% or more of Sn-doped core-shell structure grains, compared to the total of grains in the first cover region.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 23, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chun Hee SEO, Jong Suk JEONG, Jin Woo KIM, Tae Hyung KIM, Jeong Wook SEO, Dong Geon YOO, Jong Hoon YOO, Su Been KIM
  • Publication number: 20220189694
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers, and a plurality of internal electrodes stacked with one of the dielectric layers interposed therebetween, and external electrodes disposed on external surfaces of the body and connected to the internal electrodes, respectively. The plurality of dielectric layers include a dielectric expressed by empirical formula BaM1aTi1-xSnxM2bO3 (0.008?x?0.05, 0.006?a?0.03, and 0.0006?b ?0.006) in which M1 includes a rare earth element, and M2 includes at least one of Mn or V.
    Type: Application
    Filed: November 18, 2021
    Publication date: June 16, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Woo KIM, Jong Suk JEONG, Jong Hoon YOO, Chun Hee SEO, Jeong Wook SEO, Dong Geon YOO, Dong Hun KIM, Su Been KIM
  • Patent number: 10923284
    Abstract: A capacitor component includes a body including dielectric layers and internal electrodes alternately arranged with the dielectric layers; and external electrodes including electrode layers disposed on the body and connected to the internal electrodes, first conductive resin layers disposed on the electrode layers, and second conductive resin layers disposed on the first conductive resin layers, wherein the first and second conductive resin layers include a metal powder and a base resin, the first conductive resin layers have a lower metal powder content than the second conductive resin layers, the metal powder includes one or more of flake-type powder particle and spherical-type powder particle, and a weight ratio of the flake-type powder particle in the metal powder contained in the first conductive resin layers is 60% or more, and a weight ratio of the spherical-type powder particle in the metal powder contained in the second conductive resin layers is 50% or more.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Geum Hee Yun, Hwa Young Lee, Kwan Yeol Paek, Jeong Wook Seo, Ha Yong Jung