Patents by Inventor Jea Yeol CHOI

Jea Yeol CHOI 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: 20250218685
    Abstract: A multilayer electronic component includes: a body including first and second surfaces opposing in a first direction, third and fourth surfaces opposing in a second direction, and fifth and sixth surfaces opposing in a third direction, and including a capacitance formation portion including a dielectric layer and internal electrodes arranged in the first direction, cover portions on the capacitance formation portion in the first direction, and side margin portions on the capacitance formation portion and the cover portions in the third direction; and external electrodes on the third and fourth surfaces. In a first and third directional cross-section of the body, one or more IPs, a point at which an inclination of a tangent to an outer surface of the body is opposite, is disposed in one or more corner regions. W<T<L, where T, L, and W are thickness, length, and width of the body, respectively.
    Type: Application
    Filed: November 19, 2024
    Publication date: July 3, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Eun KIM, Jea Yeol CHOI, Young Ghyu AHN, Joon Yeob CHO
  • Publication number: 20250218679
    Abstract: According to an example embodiment of the present disclosure, a multilayer electronic component may have a body in which corners thereof have a rounded shape, a radius of curvature of a corner disposed in an upper cover portion may be larger than a radius of curvature of a corner disposed in a lower cover portion, and an average size of dielectric crystal grains included in an upper cover portion may be larger than an average size of dielectric crystal grains included in a lower cover portion.
    Type: Application
    Filed: December 4, 2024
    Publication date: July 3, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun Kim, Joon Yeob Cho, Young Ghyu Ahn, Jea Yeol Choi
  • Publication number: 20250218688
    Abstract: A multilayer electronic component according to an example embodiment of the present disclosure may include: a body including a plurality of capacitance formation portions including first dielectric layers and internal electrodes alternately arranged in a first direction. An intermediate layer disposed is between the adjacent capacitance formation portions and includes a second dielectric layer. An external electrode is disposed on the body and connected to the internal electrode. The first and second dielectric layers may include a plurality of grains and pores. An average grain size of the first dielectric layer may be smaller than an average grain size of the second dielectric layer. A porosity of the first dielectric layer may be lower than a porosity of the second dielectric layer.
    Type: Application
    Filed: December 17, 2024
    Publication date: July 3, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yun KIM, Kwang Hee NAM, Joon Yeob CHO, Young Ghyu AHN, Jea Yeol CHOI
  • Publication number: 20250210273
    Abstract: A multilayer electronic component includes a body including a dielectric layer and first and second internal electrodes alternately disposed with the dielectric layer therebetween, an external electrode including a connection portion and a band portion extending from the connection portion onto at least one of the first, second, fifth and sixth surfaces. The external electrode includes a base electrode layer, a lower plating layer disposed on the base electrode layer, and an upper plating layer disposed on the lower plating layer. The body includes a groove disposed on end of the band portion. Ends of the lower and upper plating layers respectively fill at least portions of the groove.
    Type: Application
    Filed: October 24, 2024
    Publication date: June 26, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kwang Hee NAM, Yun KIM, Joon Yeob CHO, Young Ghyu AHN, Jea Yeol CHOI
  • Publication number: 20250210260
    Abstract: A multilayer electronic component includes a body including a dielectric layer and first and second internal electrodes alternately disposed in a first direction with the dielectric layer interposed therebetween, the first and second internal electrodes spaced apart from fifth and sixth surfaces, first and second external electrodes respectively connected to the first and second internal electrodes, a first through-electrode passing through a space in which the second internal electrode and the fifth surface are spaced apart from each other, the first through-electrode disposed between one ends of two adjacent first internal electrodes in the third direction to connect them, and a second through-electrode passing through a space in which the first internal electrode and the sixth surface are spaced apart from each other, the second through-electrode disposed between one ends of two adjacent second internal electrodes in the third direction to connect them.
    Type: Application
    Filed: December 2, 2024
    Publication date: June 26, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyung Ho LEE, Jea Yeol CHOI, Young Ghyu AHN, Joon Yeob CHO
  • Publication number: 20250054700
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode alternately disposed with the dielectric layer in a first direction, and having a first surface and a second surface opposing each other in the first direction, a third surface and a fourth surface connected to the first and second surfaces and opposing each other in a second direction, a fifth surface and a sixth surface connected to the first to fourth surfaces and opposing each other in a third direction, and an external electrode disposed on the body. The internal electrode is connected to the external electrode through a lead-out portion, the external electrode includes first to fourth external electrodes spaced apart from each other, and includes a first connection electrode connecting the first and third external electrodes, and the first connection electrode includes a conductive material.
    Type: Application
    Filed: May 31, 2024
    Publication date: February 13, 2025
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hwi Dae KIM, Jea Yeol CHOI, Young Ghyu AHN, Soo Hwan SON, Won Chul SIM
  • Patent number: 11682529
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jea Yeol Choi, Jin Man Jung, Jin Kyung Joo
  • Patent number: 11657979
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: May 23, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jea Yeol Choi, Jin Man Jung, Jin Kyung Joo
  • Publication number: 20220208476
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung LEE, Min Gon LEE, Jea Yeol CHOI, Jin Man JUNG, Jin Kyung JOO
  • Patent number: 11309131
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jea Yeol Choi, Jin Man Jung, Jin Kyung Joo
  • Publication number: 20220102080
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Application
    Filed: December 9, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung LEE, Min Gon LEE, Jea Yeol CHOI, Jin Man JUNG, Jin Kyung JOO
  • Patent number: 11264173
    Abstract: A multilayer capacitor includes a body including a stacked structure formed of a plurality of dielectric layers, and a plurality of internal electrodes, and external electrodes, wherein the body is divided into a central portion, and cover portions, the body has first to sixth surfaces, in the body, the cover portion forms corner edges having a curved surface, and if a radius of curvature of each of the corner edges at which the third and fourth surfaces meet the fifth and sixth surfaces refers to R1, and a radius of curvature of each of the corner edges at which the third and fourth surfaces meet the first and second surfaces refers to R2, a relationship of R1>R2 is satisfied, and a width of an internal electrode disposed in the cover portion is narrower than a width of an internal electrode disposed in the central portion.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: So Ra Kang, Jung Min Park, Byeong Gyu Park, Yong Jin Yeon, Jea Yeol Choi
  • Patent number: 11217394
    Abstract: A multilayer capacitor includes a body, a plurality of internal electrodes and external electrodes disposed on external surfaces of the body and electrically connected to the internal electrodes, wherein in the body, corners of cover portions include curved surfaces, and 10 ?m?R?T/4 in which R is a radius of curvature of the curved surface corners and T is a thickness of the body, and when a distance from a surface of the body to an internal electrode closest to the surface of the body among the plurality of internal electrodes is a margin, a margin (?) of each of the corners formed as the curved surfaces in the cover portions is greater than or equal to a margin (Wg) of the body in a width direction.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Gyu Park, So Ra Kang, Yong Jin Yun, Jea Yeol Choi, Jung Min Park
  • Patent number: 11145463
    Abstract: A multilayer capacitor includes a body, a plurality of internal electrodes, and an external electrode. A cover portion of the body has curved corners, and a radius of curvature, R, of each of the curved corners and a thickness, T, of the body satisfy a condition of 10 ?m?R?T/3, and a width, W, and a thickness, T, of the body satisfy a condition of T/W<0.8.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Gyu Park, Yong Jin Yun, So Ra Kang, Jung Min Park, Jea Yeol Choi
  • Patent number: 11127531
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active layer, in which first and second internal electrodes are disposed with a dielectric layer interposed therebetween, the N number of each of the first and second internal electrodes being stacked to be alternately exposed from first and second external surfaces; and first and second external electrodes disposed on the first and second external surfaces of the ceramic body and connected to the first and second internal electrodes, respectively. The ceramic body further includes a cover layer disposed above or below the active layer. The cover layer includes a plurality of first and second dummy electrodes. A number (A>N) of the first and second dummy electrodes are stacked to be alternately exposed from the first and second external surfaces.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyeok Kim, Jea Yeol Choi, Sang Soo Park, Hwi Dae Kim, Young Jun Cha
  • Patent number: 11094469
    Abstract: A multilayer capacitor includes a body including a stacked structure of a plurality of dielectric layers and a plurality of internal electrodes, wherein, in the body, corners of cover portions are formed as curved surfaces, and 10 ?m?R?T/4 in which R is a radius of curvature of the curved surface corners and T is a thickness of the body, and 0.8?Tg/Wg?1.2 in which Wg is a margin of the body in a width direction, and Tg is a margin of the body in a thickness direction.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Jin Yun, Byeong Gyu Park, So Ra Kang, Jung Min Park, Jea Yeol Choi
  • Patent number: 11087923
    Abstract: A multi-layered ceramic capacitor capable of realizing an improved process yield and miniaturization while having an overvoltage protection function may be provided. The multi-layered ceramic capacitor may include a ceramic body including a first internal electrode, a second internal electrode, a dielectric layer, and an overvoltage protection layer; and an external electrode disposed at both ends of the ceramic body, wherein the overvoltage protection layer may be disposed between the first internal electrode and the second internal electrode.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: August 10, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soo Hwan Son, Young Ghyu Ahn, Jea Yeol Choi
  • Patent number: 10950387
    Abstract: A multilayer capacitor includes a body including a stacked structure having dielectric layers, and internal electrodes, and external electrodes. The body has a central portion, and cover portions disposed above and below the central portion, the body has a first surface and a second surface to which the internal electrodes are exposed and which oppose each other, a third surface and a fourth surface which oppose each other in the stacking direction of the dielectric layers, and a fifth surface and a sixth surface which are connected to the first to fourth surfaces and oppose each other, and a surface roughness of each of the third to sixth surfaces of the body is greater than a surface roughness of each of the first and second surfaces of the body.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: March 16, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Jin Yeon, Jung Min Park, Byeong Gyu Park, So Ra Kang, Jea Yeol Choi
  • Publication number: 20210005392
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Application
    Filed: April 22, 2020
    Publication date: January 7, 2021
    Inventors: Taek Jung LEE, Min Gon LEE, Jea Yeol CHOI, Jin Man JUNG, Jin Kyung JOO
  • Publication number: 20200152390
    Abstract: A multilayer capacitor includes a body including a stacked structure having dielectric layers, and internal electrodes, and external electrodes. The body has a central portion, and cover portions disposed above and below the central portion, the body has a first surface and a second surface to which the internal electrodes are exposed and which oppose each other, a third surface and a fourth surface which oppose each other in the stacking direction of the dielectric layers, and a fifth surface and a sixth surface which are connected to the first to fourth surfaces and oppose each other, and a surface roughness of each of the third to sixth surfaces of the body is greater than a surface roughness of each of the first and second surfaces of the body.
    Type: Application
    Filed: August 6, 2019
    Publication date: May 14, 2020
    Inventors: Yong Jin YEON, Jung Min PARK, Byeong Gyu PARK, So Ra KANG, Jea Yeol CHOI