Patents by Inventor Dong Su Cho

Dong Su Cho 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: 12165811
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of internal electrodes disposed inside the ceramic body and each exposed to first and second surfaces of the ceramic body and to one of the third and fourth surfaces, and a first side margin portion and a second side margin portion disposed on sides of the plurality of internal electrodes exposed to the first and second surfaces. The ceramic body includes an active portion including the plurality of internal electrodes disposed to overlap each other with the dielectric layer interposed therebetween to form capacitance, an upper cover portion disposed above the active portion, and a lower cover portion disposed below the active portion. The first and second side margin portions have a dielectric composition different from a dielectric composition of one of the upper cover portion and the lower cover portion.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Suek Kim, Dong Su Cho
  • Publication number: 20230223193
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of internal electrodes disposed inside the ceramic body and each exposed to first and second surfaces of the ceramic body and to one of the third and fourth surfaces, and a first side margin portion and a second side margin portion disposed on sides of the plurality of internal electrodes exposed to the first and second surfaces. The ceramic body includes an active portion including the plurality of internal electrodes disposed to overlap each other with the dielectric layer interposed therebetween to form capacitance, an upper cover portion disposed above the active portion, and a lower cover portion disposed below the active portion. The first and second side margin portions have a dielectric composition different from a dielectric composition of one of the upper cover portion and the lower cover portion.
    Type: Application
    Filed: March 22, 2023
    Publication date: July 13, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Suek KIM, Dong Su CHO
  • Patent number: 11682524
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of internal electrodes disposed inside the ceramic body and each exposed to first and second surfaces of the ceramic body and to one of the third and fourth surfaces, and a first side margin portion and a second side margin portion disposed on sides of the plurality of internal electrodes exposed to the first and second surfaces. The ceramic body includes an active portion including the plurality of internal electrodes disposed to overlap each other with the dielectric layer interposed therebetween to form capacitance, an upper cover portion disposed above the active portion, and a lower cover portion disposed below the active portion. The first and second side margin portions have a dielectric composition different from a dielectric composition of one of the upper cover portion and the lower cover portion.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Suek Kim, Dong Su Cho
  • Patent number: 11538635
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers, an active region and upper and lower cover regions; first and second internal electrodes disposed with the dielectric layer interposed therebetween in the active region to be alternately exposed through both end surfaces of the body; and first and second external electrodes disposed on both ends of the body and connected to the first and second internal electrodes, respectively. The body further includes a buffer layer including first and second dummy electrodes disposed on a lower surface of the lower cover region to be spaced apart from each other in a length direction of the body, and a groove is recessed in a lower surface of the buffer layer.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyo Joong Kim, Dong Su Cho
  • Publication number: 20210327647
    Abstract: A multilayer capacitor includes a body including a plurality of dielectric layers, an active region and upper and lower cover regions; first and second internal electrodes disposed with the dielectric layer interposed therebetween in the active region to be alternately exposed through both end surfaces of the body; and first and second external electrodes disposed on both ends of the body and connected to the first and second internal electrodes, respectively. The body further includes a buffer layer including first and second dummy electrodes disposed on a lower surface of the lower cover region to be spaced apart from each other in a length direction of the body, and a groove is recessed in a lower surface of the buffer layer.
    Type: Application
    Filed: September 2, 2020
    Publication date: October 21, 2021
    Inventors: Hyo Joong KIM, Dong Su CHO
  • Publication number: 20210193389
    Abstract: A multilayer ceramic capacitor includes a ceramic body including a dielectric layer, a plurality of internal electrodes disposed inside the ceramic body and each exposed to first and second surfaces of the ceramic body and to one of the third and fourth surfaces, and a first side margin portion and a second side margin portion disposed on sides of the plurality of internal electrodes exposed to the first and second surfaces. The ceramic body includes an active portion including the plurality of internal electrodes disposed to overlap each other with the dielectric layer interposed therebetween to form capacitance, an upper cover portion disposed above the active portion, and a lower cover portion disposed below the active portion. The first and second side margin portions have a dielectric composition different from a dielectric composition of one of the upper cover portion and the lower cover portion.
    Type: Application
    Filed: November 13, 2020
    Publication date: June 24, 2021
    Inventors: Chang Suek KIM, Dong Su CHO
  • Patent number: 10431381
    Abstract: A multilayer capacitor includes: a capacitor body having a length and a width substantially equal to each other, including dielectric layers and a plurality of first and second internal electrodes, and having first to sixth surfaces; and first and second external electrodes disposed on third and fourth surfaces of the capacitor body and extending to cover a portion of fifth and sixth surfaces of the capacitor body, respectively; wherein the first internal electrode has a first lead portion exposed to a first corner of the capacitor body in which the third and fifth surfaces of the capacitor body meet each other and covered with the first external electrode, and the second internal electrode has a second lead portion exposed to a second corner of the capacitor body at which the fourth and sixth surfaces of the capacitor body meet each other and covered with the second external electrode.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Dong Su Cho
  • Publication number: 20190066921
    Abstract: A multilayer capacitor includes: a capacitor body having a length and a width substantially equal to each other, including dielectric layers and a plurality of first and second internal electrodes, and having first to sixth surfaces; and first and second external electrodes disposed on third and fourth surfaces of the capacitor body and extending to cover a portion of fifth and sixth surfaces of the capacitor body, respectively; wherein the first internal electrode has a first lead portion exposed to a first corner of the capacitor body in which the third and fifth surfaces of the capacitor body meet each other and covered with the first external electrode, and the second internal electrode has a second lead portion exposed to a second corner of the capacitor body at which the fourth and sixth surfaces of the capacitor body meet each other and covered with the second external electrode.
    Type: Application
    Filed: May 24, 2018
    Publication date: February 28, 2019
    Inventor: Dong Su CHO
  • Patent number: 10170245
    Abstract: Disclosed herein is a multilayer capacitor comprising: a laminate in which a plurality of first sheets and second sheets are alternately laminated, wherein the first sheets and the second sheets are disposed in a direction perpendicular to a mounting surface; a first inner electrode formed on the first sheets, wherein the first electrode is exposed through upper, lower, and first lateral surfaces of the laminate; a second inner electrode that is formed on the second sheets and has a horizontally symmetrical shape with respect to the first inner electrode; a sealing portion encapsulating the first and second inner electrodes exposed through two lateral surfaces of the laminate; and an external electrode that is electrically connected to the first and second inner electrodes exposed through the upper and lower surfaces of the laminate.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hae Suk Chung, Jae Yeol Choi, Hyun Woo Kim, Dong Su Cho
  • Patent number: 9208947
    Abstract: There is provided a multilayer ceramic capacitor, including a ceramic body including a plurality of dielectric layers stacked in a width direction and having upper and lower surface, first and second side surfaces, and first and second end surfaces, a first internal electrode formed on the dielectric layer and including a first lead part exposed to the upper and lower surfaces, a second internal electrode facing the first internal electrode, having at least one dielectric layer therebetween and having a second lead part exposed to the upper and lower surfaces, a first external electrode, a second external electrode, a first dummy pattern, and a second dummy pattern, wherein when a length of the ceramic body is B, a distance of the first lead part is C1, and a distance of the first dummy pattern is C3, 0.1?(C1+C3)/B?0.6 is satisfied.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Su Cho, Hyun Woo Kim
  • Publication number: 20150221440
    Abstract: Disclosed herein is a multilayer capacitor comprising: a laminate in which a plurality of first sheets and second sheets are alternately laminated, wherein the first sheets and the second sheets are disposed in a direction perpendicular to a mounting surface; a first inner electrode formed on the first sheets, wherein the first electrode is exposed through upper, lower, and first lateral surfaces of the laminate; a second inner electrode that is formed on the second sheets and has a horizontally symmetrical shape with respect to the first inner electrode; a sealing portion encapsulating the first and second inner electrodes exposed through two lateral surfaces of the laminate; and an external electrode that is electrically connected to the first and second inner electrodes exposed through the upper and lower surfaces of the laminate.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 6, 2015
    Inventors: Hae Suk CHUNG, Jae Yeol CHOI, Hyun Woo KIM, Dong Su CHO
  • Patent number: 9036329
    Abstract: Disclosed herein is a multilayer capacitor comprising: a laminate in which a plurality of first sheets and second sheets are alternately laminated, wherein the first sheets and the second sheets are disposed in a direction perpendicular to a mounting surface; a first inner electrode formed on the first sheets, wherein the first electrode is exposed through upper, lower, and first lateral surfaces of the laminate; a second inner electrode that is formed on the second sheets and has a horizontally symmetrical shape with respect to the first inner electrode; a sealing portion encapsulating the first and second inner electrodes exposed through two lateral surfaces of the laminate; and an external electrode that is electrically connected to the first and second inner electrodes exposed through the upper and lower surfaces of the laminate.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: May 19, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hae Suk Chung, Jae Yeol Choi, Hyun Woo Kim, Dong Su Cho
  • Publication number: 20150068792
    Abstract: There is provided a multilayer ceramic capacitor, including a ceramic body including a plurality of dielectric layers stacked in a width direction and having upper and lower surface, first and second side surfaces, and first and second end surfaces, a first internal electrode formed on the dielectric layer and including a first lead part exposed to the upper and lower surfaces, a second internal electrode facing the first internal electrode, having at least one dielectric layer therebetween and having a second lead part exposed to the upper and lower surfaces, a first external electrode, a second external electrode, a first dummy pattern, and a second dummy pattern, wherein when a length of the ceramic body is B, a distance of the first lead part is C1, and a distance of the first dummy pattern is C3, 0.1?(C1+C3)/B?0.6 is satisfied.
    Type: Application
    Filed: November 21, 2013
    Publication date: March 12, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Su CHO, Hyun Woo KIM
  • Publication number: 20130107417
    Abstract: There is provided a multi-layered ceramic electronic component. The multi-layered ceramic electronic component according to embodiments of the present invention includes: a ceramic element in which a plurality of dielectric layers are stacked; and a plurality of first and second internal electrodes formed on at least one surface of the dielectric layer and alternately disposed in a width direction, wherein, when a distance from one side of the ceramic element to a leading edge of the first internal electrode in a width direction is set to be B, and a distance from one side of the ceramic element to a leading edge in a width direction of the second internal electrode thereof is set to be A, a difference between A and B is 10 to 14% of a width of the first internal electrode or the second internal electrode.
    Type: Application
    Filed: September 14, 2012
    Publication date: May 2, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Su Cho, Hyun Woo Kim, Jae Yeol Choi, Doo Young Kim, Sang Hoon Kwon, Seon Cheol Park