Patents by Inventor Kyoung Jin CHA
Kyoung Jin CHA 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: 10854387Abstract: A capacitor component includes a capacitor component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, and first and second external electrodes disposed on the body and electrically connected to the first and second internal electrodes. The body may include a capacitance forming portion including the first and second internal electrodes, cover portions disposed on upper and lower surfaces of the capacitance forming portion, and margin portions disposed on side surfaces of the capacitance forming portion, in which the margin portions have a hardness ranging from 8.5 GPa to 14 GPa.Type: GrantFiled: March 13, 2020Date of Patent: December 1, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
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Patent number: 10847321Abstract: A multilayer ceramic electronic component includes a body including an internal electrode alternately arranged with a dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a plurality of nickel (Ni) grains, and a composite layer including tin (Sn) and nickel (Ni) is disposed at a grain boundary of the nickel (Ni) grains.Type: GrantFiled: May 19, 2020Date of Patent: November 24, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
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Patent number: 10847319Abstract: A capacitor component in which in a cross section (a L-T cross section) of a body in length and thickness directions, a distance between internal electrodes in a central portion of the body is closer than a distance between the internal electrodes in ends of the internal electrodes, and in a cross section (a W-T cross section) of the body in width and thickness directions, a distance between the internal electrodes in a central portion of the body is farther than a distance between the internal electrodes in ends of the internal electrodes may be provided.Type: GrantFiled: December 2, 2019Date of Patent: November 24, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
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Patent number: 10840017Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by coating a paste for an internal electrode including conductive powder including tin (Sn) on the ceramic green sheet, forming a ceramic multilayer structure by stacking ceramic green sheets on which the internal electrode pattern is formed, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure. A content of tin (Sn) based on the conductive powder is greater than or equal to about 1.5 wt %. A coating layer including tin (Sn) is formed on a surface of the conductive powder, or the conductive powder includes an alloy of tin (Sn).Type: GrantFiled: October 23, 2018Date of Patent: November 17, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Jeong Ryeol Kim
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Patent number: 10818437Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by coating a paste for an internal electrode including a conductive powder including one or more of tungsten (W), molybdenum (Mo), chromium (Cr), and cobalt (Co), the sum of which is 1 to 20 wt %, and including tin (Sn), on the ceramic green sheet, forming a ceramic multilayer structure by stacking ceramic green sheets on which the internal electrode pattern is formed, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure.Type: GrantFiled: October 11, 2018Date of Patent: October 27, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
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Publication number: 20200303126Abstract: A multilayer ceramic electronic component includes a body including an internal electrode alternately arranged with a dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a plurality of nickel (Ni) grains, and a composite layer including tin (Sn) and nickel (Ni) is disposed at a grain boundary of the nickel (Ni) grains.Type: ApplicationFiled: May 19, 2020Publication date: September 24, 2020Inventors: Kyoung Jin CHA, Hyung Soon KWON, Ji Hong JO
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Patent number: 10784048Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrodes, alternately disposed in a first direction, and first and second external electrodes, respectively disposed on opposite end surfaces of the body in a second direction, perpendicular to the first direction in the body. An amorphous second phase is disposed at an interface between the first and second internal electrodes and the dielectric layer, and ls/le is between 0.02 and 0.07, where ls is a total length of the amorphous second phase disposed in a boundary line between the first or second internal electrode and the dielectric layer in the second direction and le is a length of the first or second internal electrode in the second direction.Type: GrantFiled: November 22, 2019Date of Patent: September 22, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
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Patent number: 10770227Abstract: 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: GrantFiled: July 2, 2018Date of Patent: September 8, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seon Jae Mun, Jae Yeol Choi, Seung Heui Lee, Jong Ho Lee, Kyoung Jin Cha
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Publication number: 20200265996Abstract: A dielectric composition includes a base material powder including barium titanate (BaTiO3), and zirconium (Zr) within a range from greater than 0.5 moles to 1.5 moles, with respect to 100 moles of the base material powder. In addition, a multilayer capacitor includes the dielectric composition.Type: ApplicationFiled: May 3, 2019Publication date: August 20, 2020Inventors: Kyung Sik KIM, Ji Hong JO, Kyoung Jin CHA
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Publication number: 20200258685Abstract: A dielectric ceramic composition includes a barium titanate-based base material main ingredient and an accessory ingredient, and the accessory ingredient includes dysprosium (Dy) and gadolinium (Gd) as first accessory ingredient elements, and a content ratio of gadolinium (Gd), based on a total content of the first accessory ingredient elements, is 25% or higher.Type: ApplicationFiled: May 1, 2019Publication date: August 13, 2020Inventors: Tae Young HAM, Hyoung Uk KIM, Kyoung Jin CHA, Min Young CHOI, Ji Hong JO, Seung In BAIK
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Patent number: 10714262Abstract: A multilayer capacitor includes: a body including dielectric layers and internal electrodes alternately disposed therein; and external electrodes disposed on the body and connected to the internal electrodes, respectively. Each of the internal electrodes includes a Ni grain, ceramics distributed in the Ni grain, a first coating layer surrounding the Ni grain, and second coating layers surrounding the ceramics.Type: GrantFiled: July 31, 2018Date of Patent: July 14, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jeong Ryeol Kim, Hyo Sub Kim, Kyung Ryul Lee, Jun Oh Kim, Beom Seock Oh, Jong Han Kim, Kyoung Jin Cha
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Publication number: 20200219653Abstract: A multilayer ceramic capacitor includes: a ceramic body including a dielectric layer, a first internal electrode and a second internal electrode arranged to face each other with the dielectric layer interposed therebetween; and a first external electrode disposed on an exterior surface of the ceramic body and a second external electrode disposed on the exterior surface of the ceramic body, wherein the ceramic body includes an active portion, forming capacity, cover portions disposed on upper and lower portions of the active portion, and margin portions disposed on a side surface of the active portion, and wherein the dielectric layer, the cover portions, and the margin portions of the active portion include magnesium (Mg) having content of more than 0 mole, and less than or equal to 1.0 mole, relative to titanium (Ti) included in the dielectric layer, the cover portions and the margin portions of the active portion.Type: ApplicationFiled: March 19, 2020Publication date: July 9, 2020Inventors: Hyung Soon KWON, Kyoung Jin CHA, Ji Hong JO
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Publication number: 20200211773Abstract: A capacitor component includes a capacitor component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, and first and second external electrodes disposed on the body and electrically connected to the first and second internal electrodes. The body may include a capacitance forming portion including the first and second internal electrodes, cover portions disposed on upper and lower surfaces of the capacitance forming portion, and margin portions disposed on side surfaces of the capacitance forming portion, in which the margin portions have a hardness ranging from 8.5 GPa to 14 GPa.Type: ApplicationFiled: March 13, 2020Publication date: July 2, 2020Inventors: Hyung Soon KWON, Kyoung Jin CHA, Ji Hong JO
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Patent number: 10692654Abstract: A multilayer ceramic electronic component includes a body including an internal electrode alternately arranged with a dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a plurality of nickel (Ni) grains, and a composite layer including tin (Sn) and nickel (Ni) is disposed at a grain boundary of the nickel (Ni) grains.Type: GrantFiled: October 11, 2018Date of Patent: June 23, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
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Publication number: 20200161052Abstract: A method of manufacturing a capacitor component includes preparing a laminate structure in which a plurality of ceramic sheets, each having an internal electrode pattern formed thereon, are layered, attaching an auxiliary member to an upper surface and a lower surface of the laminate structure, and disposing the laminate structure having the auxiliary member attached thereto on a lower mold on which jigs for blocking a length direction portion and a width direction portion of the laminate structure are disposed and compressing the laminate structure. The ceramic sheet has a thickness of 0.6 ?m or less, and the auxiliary member has higher elasticity than elasticity of the lower mold.Type: ApplicationFiled: March 11, 2019Publication date: May 21, 2020Inventors: Kyoung Jin Cha, Ji Hong Jo, Hyung Soon Kwon, Jong Hoon Kim, Jin Woo Lee
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Patent number: 10643793Abstract: A capacitor component includes a capacitor component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, and first and second external electrodes disposed on the body and electrically connected to the first and second internal electrodes. The body may include a capacitance forming portion including the first and second internal electrodes, cover portions disposed on upper and lower surfaces of the capacitance forming portion, and margin portions disposed on side surfaces of the capacitance forming portion, in which the margin portions have a hardness ranging from 8.5 GPa to 14 GPa.Type: GrantFiled: February 14, 2019Date of Patent: May 5, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
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Publication number: 20200135395Abstract: A capacitor component includes a body including dielectric layers and first and second internal electrodes disposed to face each other while having the dielectric layer interposed therebetween; and first and second external electrodes disposed on an external surface of the body and electrically connected to the first and second internal electrodes, respectively. The body includes a capacitance forming portion including the first and second internal electrodes disposed to face each other while having the dielectric layer interposed therebetween and in which capacitance is formed, and cover portions formed on upper and lower surfaces of the capacitance forming portion, and hardness of the cover portions is 9.5 GPa or more and 14 GPa or less.Type: ApplicationFiled: December 30, 2019Publication date: April 30, 2020Inventors: Hyung Soon KWON, Kyoung Jin CHA, Ji Hong JO
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Patent number: 10636569Abstract: A multilayer ceramic capacitor includes: a ceramic body including a dielectric layer, a first internal electrode and a second internal electrode arranged to face each other with the dielectric layer interposed therebetween; and a first external electrode disposed on an exterior surface of the ceramic body and a second external electrode disposed on the exterior surface of the ceramic body, wherein the ceramic body includes an active portion, forming capacity, cover portions disposed on upper and lower portions of the active portion, and margin portions disposed on a side surface of the active portion, and wherein the dielectric layer, the cover portions, and the margin portions of the active portion include magnesium (Mg) having content of more than 0 mole, and less than or equal to 1.0 mole, relative to titanium (Ti) included in the dielectric layer, the cover portions and the margin portions of the active portion.Type: GrantFiled: October 10, 2018Date of Patent: April 28, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
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Publication number: 20200126727Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by applying a paste for an internal electrode including a conductive powder to the ceramic green sheet, forming a ceramic laminate structure by layering the ceramic green sheet on which the internal electrode pattern is formed, forming a body including a dielectric layer and an internal electrode by sintering the ceramic laminate structure, and forming an external electrode by forming an electrode layer on the body, and forming a conductive resin layer on the electrode layer, and the conductive powder includes a conductive metal and tin (Sn), and a content of tin (Sn) is 1.5 wt % or higher, based on a weight of the conductive metal.Type: ApplicationFiled: November 30, 2018Publication date: April 23, 2020Inventors: Seok Kyoon WOO, Kyoung Jin CHA, Jeong Ryeol KIM, Ji Hong JO
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Patent number: 10629377Abstract: A capacitor component includes a capacitor component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, and first and second external electrodes disposed on the body and electrically connected to the first and second internal electrodes. The body may include a capacitance forming portion including the first and second internal electrodes, cover portions disposed on upper and lower surfaces of the capacitance forming portion, and margin portions disposed on side surfaces of the capacitance forming portion, in which the margin portions have a hardness ranging from 8.5 GPa to 14 GPa.Type: GrantFiled: October 30, 2018Date of Patent: April 21, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo