Patents by Inventor Jung Deok PARK
Jung Deok PARK 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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Publication number: 20240076242Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: ApplicationFiled: November 6, 2023Publication date: March 7, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun YOON, Jung Deok PARK, Chan Hee NAM, Dong Hun KIM
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Patent number: 11845698Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: GrantFiled: March 17, 2022Date of Patent: December 19, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Jung Deok Park, Chan Hee Nam, Dong Hun Kim
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Publication number: 20220220036Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: ApplicationFiled: March 17, 2022Publication date: July 14, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun YOON, Jung Deok PARK, Chan Hee NAM, Dong Hun KIM
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Patent number: 11328868Abstract: A dielectric ceramic composition and a multilayer ceramic electronic component are provided, the dielectric ceramic composition includes a barium titanate base material main component and a subcomponent, a microstructure after sintering includes a first crystal grain including 3 or less domain boundaries and a second crystal grain including 4 or more domain boundaries, and an area ratio of the second crystal grain to the total crystal grains is 20% or less.Type: GrantFiled: September 18, 2019Date of Patent: May 10, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Mi Yang Kim, Jin Woo Kim, Dong Hun Kim, Jung Deok Park
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Patent number: 11306031Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: GrantFiled: January 31, 2020Date of Patent: April 19, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Jung Deok Park, Chan Hee Nam, Dong Hun Kim
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Publication number: 20200381179Abstract: A dielectric ceramic composition and a multilayer ceramic electronic component are provided, the dielectric ceramic composition includes a barium titanate base material main component and a subcomponent, a microstructure after sintering includes a first crystal grain including 3 or less domain boundaries and a second crystal grain including 4 or more domain boundaries, and an area ratio of the second crystal grain to the total crystal grains is 20% or less.Type: ApplicationFiled: September 18, 2019Publication date: December 3, 2020Inventors: Seok Hyun YOON, Mi Yang KIM, Jin Woo KIM, Dong Hun KIM, Jung Deok PARK
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Publication number: 20200165166Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: ApplicationFiled: January 31, 2020Publication date: May 28, 2020Inventors: Seok Hyun YOON, Jung Deok PARK, Chan Hee NAM, Dong Hun KIM
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Patent number: 10584066Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: GrantFiled: June 6, 2018Date of Patent: March 10, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Jung Deok Park, Chan Hee Nam, Dong Hun Kim
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Patent number: 10580584Abstract: A multilayer ceramic capacitor includes a body including first and second dielectric layers and having first to sixth surfaces; a second internal electrode disposed on the second dielectric layer to face the first internal electrode with the first or second dielectric layer interposed therebetween, exposed to the fourth, fifth, and sixth surfaces, and disposed to be spaced apart from the third surface by a second space; a first dielectric pattern disposed in at least a portion of the first space; a second dielectric pattern disposed in at least a portion of the second space; a side insulating layer disposed on the fifth and sixth surfaces; a first external electrode disposed on the third surface; and a second external electrode disposed on the fourth surface, in which the first and second dielectric patterns have a color different from the first and second dielectric layers.Type: GrantFiled: June 13, 2018Date of Patent: March 3, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Hoon Kim, Byung Kun Kim, Byung Chul Jang, Chang Hak Choi, Jung Deok Park
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Publication number: 20190100465Abstract: A multilayer ceramic capacitor includes: a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked; and first and second external electrodes formed on an outer surface of the ceramic body and electrically connected to the first and second internal electrodes, respectively. In a microstructure of the dielectric layer, dielectric grains are divided by a dielectric grain size into sections each having an interval of 50 nm, respectively, a fraction of the dielectric grains in each of the sections within a range of 50 nm to 450 nm is within a range of 0.025 to 0.20, and a thickness of the dielectric layer is 0.8 ?m or less.Type: ApplicationFiled: June 6, 2018Publication date: April 4, 2019Inventors: Seok Hyun YOON, Jung Deok PARK, Chan Hee NAM, Dong Hun KIM
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Patent number: 10236125Abstract: A dielectric ceramic composition contains: a barium titanate-based powder as a main ingredient; a first accessory ingredient containing Na; a second accessory ingredient containing Ba; and a third accessory ingredient containing Si. A content of the first accessory ingredient (based on moles of Na) is 0.3 to 4.0 moles per 100 moles of the main ingredient, and a Ba/Si ratio is in a range of 0.16 to 1.44.Type: GrantFiled: April 4, 2017Date of Patent: March 19, 2019Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Jung Deok Park, Chang Hak Choi, Dong Hun Kim, Seung Ho Lee, Chan Hee Nam
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Publication number: 20190006107Abstract: A multilayer ceramic capacitor includes a body including first and second dielectric layers and having first to sixth surfaces; a second internal electrode disposed on the second dielectric layer to face the first internal electrode with the first or second dielectric layer interposed therebetween, exposed to the fourth, fifth, and sixth surfaces, and disposed to be spaced apart from the third surface by a second space; a first dielectric pattern disposed in at least a portion of the first space; a second dielectric pattern disposed in at least a portion of the second space; a side insulating layer disposed on the fifth and sixth surfaces; a first external electrode disposed on the third surface; and a second external electrode disposed on the fourth surface, in which the first and second dielectric patterns have a color different from the first and second dielectric layers.Type: ApplicationFiled: June 13, 2018Publication date: January 3, 2019Inventors: Tae Hoon KIM, Byung Kun KIM, Byung Chul JANG, Chang Hak CHOI, Jung Deok PARK
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Patent number: 9959976Abstract: A multilayer ceramic capacitor includes a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on outer surfaces of the ceramic body, wherein the dielectric layer contains zirconium (Zr), a Zr content is 2×Zr/(Ba+Ca+Ti+Zr) based on an atomic ratio, a first crystal grain is composed of a core part having a Zr content of 3.0 at % or less and a shell part having a Zr content of 4.0 to 15.0 at %, and a number fraction of the first crystal grain to all crystal grains in the dielectric layer is 4% or more.Type: GrantFiled: September 27, 2016Date of Patent: May 1, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Dong Hun Kim, Jung Deok Park, Chan Hee Nam, Jung Wook Seo
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Patent number: 9928959Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor containing the same are provided. The dielectric ceramic composition contains a base material powder represented by (1?x)BaTiO3?xPbTiO3 containing a first main ingredient represented by BaTiO3 and a second main ingredient represented by PbTiO3, wherein x satisfies 0.0025?x?0.4. The multilayer ceramic capacitor includes a ceramic body in which dielectric layers containing the dielectric ceramic composition are alternately stacked with first and second internal electrodes, and first and second external electrodes formed on both end portions of the ceramic body and respectively electrically connected to the first and second internal electrodes.Type: GrantFiled: March 9, 2016Date of Patent: March 27, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Hyun Yoon, Sung Kwon Wi, Jung Deok Park, Jung Wook Seo, Chan Hee Nam, Dong Hun Kim
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Publication number: 20180033555Abstract: A dielectric ceramic composition contains: a barium titanate-based powder as a main ingredient; a first accessory ingredient containing Na; a second accessory ingredient containing Ba; and a third accessory ingredient containing Si. A content of the first accessory ingredient (based on moles of Na) is 0.3 to 4.0 moles per 100 moles of the main ingredient, and a Ba/Si ratio is in a range of 0.16 to 1.44.Type: ApplicationFiled: April 4, 2017Publication date: February 1, 2018Inventors: Seok Hyun YOON, Jung Deok PARK, Chang Hak CHOI, Dong Hun KIM, Seung Ho LEE, Chan Hee NAM
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Publication number: 20170271082Abstract: A multilayer ceramic capacitor includes a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on outer surfaces of the ceramic body, wherein the dielectric layer contains zirconium (Zr), a Zr content is 2×Zr/(Ba+Ca+Ti+Zr) based on an atomic ratio, a first crystal grain is composed of a core part having a Zr content of 3.0 at % or less and a shell part having a Zr content of 4.0 to 15.0 at %, and a number fraction of the first crystal grain to all crystal grains in the dielectric layer is 4% or more.Type: ApplicationFiled: September 27, 2016Publication date: September 21, 2017Inventors: Seok Hyun YOON, Dong Hun KIM, Jung Deok PARK, Chan Hee NAM, Jung Wook SEO
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Publication number: 20170011851Abstract: A dielectric ceramic composition and a multilayer ceramic capacitor containing the same are provided. The dielectric ceramic composition contains a base material powder represented by (1?x)BaTiO3?xPbTiO3 containing a first main ingredient represented by BaTiO3 and a second main ingredient represented by PbTiO3, wherein x satisfies 0.0025?x?0.4. The multilayer ceramic capacitor includes a ceramic body in which dielectric layers containing the dielectric ceramic composition are alternately stacked with first and second internal electrodes, and first and second external electrodes formed on both end portions of the ceramic body and respectively electrically connected to the first and second internal electrodes.Type: ApplicationFiled: March 9, 2016Publication date: January 12, 2017Inventors: Seok Hyun YOON, Sung Kwon WI, Jung Deok PARK, Jung Wook SEO, Chan Hee NAM, Dong Hun KIM