Patents by Inventor Jae Yeol Choi

Jae 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).

  • Patent number: 11107634
    Abstract: A capacitor component includes a body having a first surface and a second surface opposing each other and including a multilayer structure in which a plurality of dielectric layers are stacked and first and second internal electrodes are alternately disposed with respective dielectric layers interposed therebetween and exposed to the first surface and the second surface, respectively, first and second metal layers covering the first surface and the second surface and connected to the first and second internal electrodes, respectively, first and second ceramic layers covering the first and second metal layers, and first and second external electrodes covering the first and second ceramic layers and connected to the first and second metal layers to be electrically connected to the first and second internal electrodes, respectively.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyun Cho, Byeong Chan Kwon, Yong Jin Yun, Ki Pyo Hong, Jae Yeol Choi
  • Patent number: 11037721
    Abstract: A power inductor includes a substrate having a through hole in a central portion thereof; a first internal coil pattern and a second internal coil pattern each having a spiral shape and provided on opposite surfaces of the substrate outwardly of the through hole; a magnetic body enclosing the substrate on which the first internal coil pattern and the second internal coil pattern are provided, end portions of the first internal coil pattern and the second internal coil pattern being exposed to opposite end surfaces thereof; a first external electrode and a second external electrode provided on the opposite end surfaces of the magnetic body to be connected to the end portions of the first internal coil pattern and the second internal coil pattern, respectively; and an anti-plating layer covering the magnetic body between the first external electrode and the second external electrode.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Youn Kyu Choi, Hea Ah Kim, Jae Yeol Choi
  • Patent number: 11031184
    Abstract: A capacitor component includes: a body including first and second internal electrodes alternately disposed in a first direction; first and second connection electrodes extending in the first direction in the body, respectively connected to the first and second internal electrodes, and opposing each other in a second direction; and first and second external electrodes disposed on one surface of the body and respectively connected to the first and second connection electrodes and each include an extended pattern disposed at one end portion on the one surface in the second direction and extending in a third direction, and a connection pattern extending, in the second direction, from a region spaced apart from both ends of the extended pattern in the third direction and connected to one of the first and second connection electrodes in a region spaced apart from opposite ends of the extended pattern in the third direction.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Heung Na, Min Gon Lee, Jin Kyung Joo, Byeong Chan Kwon, Taek Jung Lee, Jin Man Jung, Jae Yeol Choi
  • Patent number: 11031186
    Abstract: A capacitor component includes a plurality of unit laminates, each comprising a body with a stacked structure including a plurality of internal electrodes and connection electrodes that extend in a stacking direction of the body and electrically connect to the plurality of internal electrodes, and pad portions between adjacent unit laminates to electrically connect the respective connection electrodes of the unit laminates above and below the pad portions to each other.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Jin Kyung Joo, Hyo Youn Lee, Won Young Lee, Sung Kwon An, Jae Yeol Choi, Jin Man Jung
  • Publication number: 20210166880
    Abstract: A multilayer ceramic electronic component includes: a ceramic body and first and second external electrodes on external surfaces of the ceramic body. The ceramic body includes first and second internal electrodes facing each other with dielectric layers interposed therebetween. The ceramic body includes an active portion in which capacitance is formed and cover portions on upper and lower surfaces of the active portion, respectively. The ratio of the thickness of the first and second external electrodes to the thickness of the cover portion is proportional to the inverse of the cube root of the ratio of the Young's Modulus of each of the first and second external electrodes to the Young's modulus of the cover portion.
    Type: Application
    Filed: February 17, 2021
    Publication date: June 3, 2021
    Inventors: Min Gon LEE, Seung Woo SONG, Jae Yeol CHOI, Jin Kyung JOO, Taek Jung LEE, Jin Man JUNG
  • Patent number: 10978250
    Abstract: A capacitor includes a body having a first surface, a second surface, and a third surface and a fourth surface connecting the first surface to the second surface, and including a first internal electrode and a second internal electrode respectively having a first lead portion and a second lead portion exposed to the second surface, a first external electrode and a second external electrode formed on the second surface of the body, and electrically connected to the first internal electrode and the second internal electrode, respectively, and dummy electrodes formed on the third surface and the fourth surface of the body and extending from edges at which the second surface meets the third surface and the fourth surface.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hye Young Choi, Jae Yeol Choi, Hyun Hee Gu, Bum Su Kim
  • Patent number: 10971308
    Abstract: A multilayer capacitor includes a body and external electrodes on external surfaces of the body. The body includes a plurality of internal electrodes alternately laminated with dielectric layers. The external electrodes are electrically connected to the internal electrodes. Edges of cover portions of the body are rounded. The rounded edges have a radius of curvature R and the body has a thickness T, such that R and T satisfy 10 ?m?R?T/4. Among the plurality of internal electrodes, an internal electrode in each of the cover portions has a width less than that of an internal electrode of the central portion.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: April 6, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Byeong Gyu Park, Yong Jin Yun, So Ra Kang, Jae Yeol Choi
  • Patent number: 10957488
    Abstract: A multilayer ceramic electronic component includes: a ceramic body and first and second external electrodes on external surfaces of the ceramic body. The ceramic body includes first and second internal electrodes facing each other with dielectric layers interposed therebetween. The ceramic body includes an active portion in which capacitance is formed and cover portions on upper and lower surfaces of the active portion, respectively. The ratio of the thickness of the first and second external electrodes to the thickness of the cover portion is proportional to the inverse of the cube root of the ratio of the Young's Modulus of each of the first and second external electrodes to the Young's modulus of the cover portion.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: March 23, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Gon Lee, Seung Woo Song, Jae Yeol Choi, Jin Kyung Joo, Taek Jung Lee, Jin Man Jung
  • Patent number: 10943736
    Abstract: A method of manufacturing a multilayer ceramic electronic component which includes preparing first and second ceramic green sheets; forming an internal electrode pattern on the first ceramic green sheet using a conductive metal paste; forming a ceramic member on first and second end portions of a first surface of the second ceramic green sheet to form a step portion absorption layer; stacking two or more of the first ceramic green sheets on each other in a stacking direction to form a first group; stacking two or more of the first ceramic green sheets on each other in the stacking direction to form a second group; and placing the second ceramic green sheet between the first group and the second group in the stacking direction to form a ceramic body, wherein the first and second end portions oppose each other in a first direction perpendicular to the stacking direction.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: March 9, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Ho Lee, Jae Yeol Choi, Ki Pyo Hong, Beom Seock Oh
  • Patent number: 10923264
    Abstract: An electronic component includes a magnetic body, and a coil pattern embedded in the magnetic body and including internal coil parts having a spiral shape and lead parts connected to ends of the internal coil parts and externally exposed from the magnetic body. A thickness of each of the lead parts is formed to be thinner than a thickness of each of the internal coil parts.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Jin Jeong, Jae Yeol Choi
  • Patent number: 10892100
    Abstract: A multilayer capacitor includes a connecting electrode provided on a surface opposite to a surface on which the capacitor body is mounted, and a third external electrode and a fourth external electrode extend to cover opposing ends of the connecting electrode across a width of the capacitor body. The third and fourth external electrodes are disposed on respective side surfaces of the capacitor body opposite each other across the width, and contact respective first and second pluralities of internal electrodes disposed in the capacitor body.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyeok Kim, Sang Soo Park, Jae Yeol Choi
  • Publication number: 20210005384
    Abstract: A multilayer ceramic capacitor has a body including first and second internal electrodes laminated with a dielectric layer interposed therebetween, and having fifth and sixth surfaces opposing each other, third and fourth surfaces opposing each other, and first and second surfaces opposing each other. A first through-electrode penetrates through the body to be connected to the first internal electrode, and a second through-electrode penetrates through the body to be connected to the second internal electrode. First and second external electrodes are disposed on the first and second surfaces, respectively, and third and fourth external electrodes are disposed on the first and second surfaces, respectively, to be spaced apart from the first and second external electrodes. Each of the first to fourth external electrodes is a respective sintered electrode including nickel.
    Type: Application
    Filed: March 5, 2020
    Publication date: January 7, 2021
    Inventors: Taek Jung LEE, Min Gon LEE, Jin Kyung JOO, Ji Hong JO, Jae Yeol CHOI
  • Patent number: 10804037
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a plurality of first ceramic sheets; forming internal electrode patterns on the first ceramic sheets using a conductive paste, respectively; stacking the first ceramic sheets on which the internal electrode pattern is formed to form a ceramic body including internal electrodes disposed therein to face each other; forming electrode layers by transferring a nickel-containing sheet on both end surfaces of the ceramic body in a length direction of the ceramic body so as to be connected to the internal electrodes, respectively; forming electrically insulating layers by attaching a second ceramic sheet for forming an electrically insulating layer to the electrode layers, respectively; and preparing external electrodes by forming plating layers on one surface of the ceramic body in a thickness direction of the ceramic body, to be connected to the electrode layers, respectively.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Park, Ki Pyo Hong, Jin Yung Ryu, Jae Yeol Choi
  • Patent number: 10770233
    Abstract: A multilayer ceramic capacitor includes a ceramic body including an active portion including dielectric layers and internal electrodes that are alternately stacked and a margin portion disposed on outer surfaces of the active portion; and external electrodes disposed on outer surfaces of the ceramic body. The margin portion includes an inner half adjacent to the active portion and an outer half adjacent to the edge of the ceramic body, and a porosity of the inner half is greater than a porosity of the outer half.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Hee Hong, Chul Seung Lee, Won Seh Lee, Doo Young Kim, Chang Hoon Kim, Jae Yeol Choi, Hyeun Tea Yoon
  • Patent number: 10770237
    Abstract: A multilayer electronic component includes: a laminate having a plurality of multilayer capacitors are disposed to be adjacent to each other, each of the multilayer capacitors including a body including dielectric layers and first and second internal electrodes alternately exposed through two end surfaces of the body facing each other in a length direction with each of the dielectric layers interposed therebetween, and first and second external electrodes disposed on the two end surfaces of the body in the length direction, respectively; and first and second terminals disposed on the laminate to cover a plurality of first and second external electrodes, respectively.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soo Hwan Son, Jae Yeol Choi, Young Ghyu Ahn
  • Patent number: 10770227
    Abstract: A capacitor includes a body including dielectric layers and internal electrodes; and external electrodes disposed on the body. The capacitor includes Sn, the Sn having an alpha particle emission rate equal to or less than 0.02 cph/cm2.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seon Jae Mun, Jae Yeol Choi, Seung Heui Lee, Jong Ho Lee, Kyoung Jin Cha
  • Patent number: 10748710
    Abstract: A capacitor component includes a body having a first surface and a second surface opposing each other and including a multilayer structure in which a plurality of dielectric layers are stacked and first and second internal electrodes are alternately disposed with respective dielectric layers interposed therebetween and exposed to the first surface and the second surface, respectively, first and second metal layers covering the first surface and the second surface and connected to the first and second internal electrodes, respectively, first and second ceramic layers covering the first and second metal layers, and first and second external electrodes covering the first and second ceramic layers and connected to the first and second metal layers to be electrically connected to the first and second internal electrodes, respectively.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyun Cho, Byeong Chan Kwon, Yong Jin Yun, Ki Pyo Hong, Jae Yeol Choi
  • Patent number: 10707023
    Abstract: An electronic component includes: a plurality of multilayer capacitors stacked in multiple rows and columns and each having external electrodes on both ends thereof in a first direction; and a board including a body and a connection portion. The connection portion includes: a plurality of positive electrode land patterns; a plurality of negative electrode land patterns; positive and negative electrode terminal patterns formed on a lower surface of the body to be spaced apart from each other in the first direction; a positive electrode connection portion connecting the plurality of positive electrode land patterns to the positive electrode terminal pattern; and a negative electrode connection portion connecting the plurality of negative electrode land patterns to the negative electrode terminal pattern.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ho Yoon Kim, Jae Yeol Choi, Soo Hwan Son
  • Patent number: 10650971
    Abstract: A capacitor component includes a body including first and second internal electrodes alternately disposed with respective dielectric layers interposed therebetween to be exposed to the third and fourth surfaces of the body, respectively; first and second conductive layers covering the third and fourth surfaces and connected to the first and second internal electrodes, respectively; first and second insulating layers covering the first and second conductive layers, respectively; first and second band portions spaced apart from each other on the second surface of the body; first and second external electrodes covering a portion of the first and second band portions and the first insulating layer, respectively; and third and fourth external electrodes covering a portion of the first and second insulating layers and a portion of the first surface of the body, respectively; and a method of manufacturing the same.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Man Jung, Jin Kyung Joo, Ik Hwan Chang, Byeong Chan Kwon, Ji Hyun Park, Do Heung Na, Jae Yeol Choi, Sung Hyun Cho
  • Publication number: 20200126726
    Abstract: A capacitor component includes a body having a first surface and a second surface opposing each other and including a multilayer structure in which a plurality of dielectric layers are stacked and first and second internal electrodes are alternately disposed with respective dielectric layers interposed therebetween and exposed to the first surface and the second surface, respectively, first and second metal layers covering the first surface and the second surface and connected to the first and second internal electrodes, respectively, first and second ceramic layers covering the first and second metal layers, and first and second external electrodes covering the first and second ceramic layers and connected to the first and second metal layers to be electrically connected to the first and second internal electrodes, respectively.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyun CHO, Byeong Chan KWON, Yong Jin YUN, Ki Pyo HONG, Jae Yeol CHOI