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).
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Patent number: 12165811Abstract: 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: GrantFiled: March 22, 2023Date of Patent: December 10, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Suek Kim, Dong Su Cho
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Publication number: 20230223193Abstract: 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: ApplicationFiled: March 22, 2023Publication date: July 13, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Suek KIM, Dong Su CHO
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Patent number: 11682524Abstract: 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: GrantFiled: November 13, 2020Date of Patent: June 20, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Suek Kim, Dong Su Cho
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Patent number: 11538635Abstract: 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: GrantFiled: September 2, 2020Date of Patent: December 27, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyo Joong Kim, Dong Su Cho
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Publication number: 20210327647Abstract: 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: ApplicationFiled: September 2, 2020Publication date: October 21, 2021Inventors: Hyo Joong KIM, Dong Su CHO
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Publication number: 20210193389Abstract: 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: ApplicationFiled: November 13, 2020Publication date: June 24, 2021Inventors: Chang Suek KIM, Dong Su CHO
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Patent number: 10431381Abstract: 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: GrantFiled: May 24, 2018Date of Patent: October 1, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Dong Su Cho
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Publication number: 20190066921Abstract: 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: ApplicationFiled: May 24, 2018Publication date: February 28, 2019Inventor: Dong Su CHO
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Patent number: 10170245Abstract: 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: GrantFiled: April 10, 2015Date of Patent: January 1, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Suk Chung, Jae Yeol Choi, Hyun Woo Kim, Dong Su Cho
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Patent number: 9208947Abstract: 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: GrantFiled: November 21, 2013Date of Patent: December 8, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Su Cho, Hyun Woo Kim
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Publication number: 20150221440Abstract: 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: ApplicationFiled: April 10, 2015Publication date: August 6, 2015Inventors: Hae Suk CHUNG, Jae Yeol CHOI, Hyun Woo KIM, Dong Su CHO
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Patent number: 9036329Abstract: 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: GrantFiled: October 4, 2012Date of Patent: May 19, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Suk Chung, Jae Yeol Choi, Hyun Woo Kim, Dong Su Cho
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Publication number: 20150068792Abstract: 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: ApplicationFiled: November 21, 2013Publication date: March 12, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Su CHO, Hyun Woo KIM
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Publication number: 20130107417Abstract: 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: ApplicationFiled: September 14, 2012Publication date: May 2, 2013Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Dong Su Cho, Hyun Woo Kim, Jae Yeol Choi, Doo Young Kim, Sang Hoon Kwon, Seon Cheol Park