Patents by Inventor Kum Jin PARK

Kum Jin 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).

  • Patent number: 10872726
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other with one of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively. The dielectric layer includes dielectric grains, a grain boundary is present between at least two dielectric grains of the dielectric grains, and a Si/Ti mole ratio in the grain boundary satisfies 15% to 40%.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: December 22, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kum Jin Park, Kwang Hee Nam, Young Bin Jeong, Myung Woo Lee, Jong Han Kim
  • Patent number: 10872727
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other with one of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively. The dielectric layer includes dielectric grains, a grain boundary is present between at least two dielectric grains of the dielectric grains, and a Si/Ti mole ratio in the grain boundary satisfies 15% to 40%.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: December 22, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kum Jin Park, Kwang Hee Nam, Young Bin Jeong, Myung Woo Lee, Jong Han Kim
  • Patent number: 10748709
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrode, respectively, wherein the dielectric layer includes dielectric grains having a core-shell structure including a core and a shell, and a domain wall is disposed in the shell.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kum Jin Park
  • Patent number: 10607776
    Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately stacked. The dielectric layers contain at least one dielectric grain having a ratio of a long axis to a short axis that is 3.5 or more. The internal electrodes contain a ceramic component containing a grain growth adjusting ingredient for dielectric grains. Each dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, and concentrations of the grain growth adjusting ingredient in the interfacial portions and the central portion are different from each other.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: March 31, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kum Jin Park, Chang Hak Choi, Jong Hoon Yoo, Doo Young Kim, Min Gi Sin, Chi Hwa Lee, Chul Seung Lee, Jong Han Kim
  • Publication number: 20200051748
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other with one of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively. The dielectric layer includes dielectric grains, a grain boundary is present between at least two dielectric grains of the dielectric grains, and a Si/Ti mole ratio in the grain boundary satisfies 15% to 40%.
    Type: Application
    Filed: February 19, 2019
    Publication date: February 13, 2020
    Inventors: Kum Jin PARK, Kwang Hee NAM, Young Bin JEONG, Myung Woo LEE, Jong Han KIM
  • Publication number: 20200051742
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrode, respectively, wherein the dielectric layer includes dielectric grains having a core-shell structure including a core and a shell, and a domain wall is disposed in the shell.
    Type: Application
    Filed: February 19, 2019
    Publication date: February 13, 2020
    Inventor: Kum Jin PARK
  • Publication number: 20200051747
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first internal electrodes and second internal electrodes disposed to face each other with one of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, respectively. The dielectric layer includes dielectric grains, a grain boundary is present between at least two dielectric grains of the dielectric grains, and a Si/Ti mole ratio in the grain boundary satisfies 15% to 40%.
    Type: Application
    Filed: October 24, 2018
    Publication date: February 13, 2020
    Inventors: Kum Jin PARK, Kwang Hee NAM, Young Bin JEONG, Myung Woo LEE, Jong Han KIM
  • Patent number: 10515760
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrode, respectively, wherein the dielectric layer includes dielectric grains having a core-shell structure including a core and a shell, and a domain wall is disposed in the shell.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: December 24, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Kum Jin Park
  • Patent number: 10312021
    Abstract: A dielectric composition is a barium titanate-based dielectric composition and includes a barium titanate particle including a major axis, a minor axis disposed on the same plane as the major axis, and a vertical axis perpendicular to both the major axis and the minor axis, and a ratio of a length of the major axis to a length of the vertical axis is within a range from 1.5:1 to 30:1.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: June 4, 2019
    Assignees: Samsung Electro-Mechanics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Kum Jin Park, Chang Yeon Baek, Ji Eun Wang, Do Kyung Kim
  • Patent number: 10269492
    Abstract: A multilayer ceramic electronic component and a method of manufacturing the same are provided. The multilayer ceramic electronic component includes: a ceramic body including dielectric layers; and internal electrodes disposed on the dielectric layers within the ceramic body and containing a ceramic material trapped therein. The ceramic material is a dielectric material doped with an additive.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: April 23, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kum Jin Park, Chang Hak Choi, Chi Hwa Lee, Min Gi Sin, Woo Sup Kim, Jong Hoon Yoo
  • Publication number: 20180182548
    Abstract: A dielectric composition is a barium titanate-based dielectric composition and includes a barium titanate particle including a major axis, a minor axis disposed on the same plane as the major axis, and a vertical axis perpendicular to both the major axis and the minor axis, and a ratio of a length of the major axis to a length of the vertical axis is within a range from 1.5:1 to 30:1.
    Type: Application
    Filed: August 14, 2017
    Publication date: June 28, 2018
    Inventors: Kum Jin PARK, Chang Yeon BAEK, Ji Eun WANG, Do Kyung KIM
  • Patent number: 9875847
    Abstract: A multilayer ceramic electronic component includes a plurality of dielectric layers; and internal electrodes disposed on the dielectric layers and containing an additive. The additive contains lithium (Li) and a dielectric material.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: January 23, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Gi Sin, Kum Jin Park, Jong Hoon Yoo, Chi Hwa Lee, Chang Hak Choi
  • Patent number: 9842696
    Abstract: There are provided a composite perovskite powder, a preparation method thereof, and a paste composition for an internal electrode having the same, the composite perovskite powder capable of preventing ions from being eluted from an aqueous system at the time of synthesis while being ultra-atomized, such that when the composite perovskite powder is used as an inhibitor powder for an internal electrode, sintering properties of the internal electrode may be deteriorated, and sintering properties of a dielectric material may be increased; accordingly, connectivity of the internal electrode may be improved, and permittivity and reliability of a multilayer ceramic capacitor (MLCC) may be increased.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: December 12, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kum Jin Park, Chang Hak Choi, Sang Min Youn, Kwang Hee Nam, Ki Myoung Yun, Hyung Joon Jeon, Jong Hoon Yoo
  • Patent number: 9633792
    Abstract: A conductive paste for an external electrode, a multilayer ceramic electronic component using the same, and a manufacturing method of a multilayer ceramic electronic component are provided. The conductive paste for an external electrode includes first conductive particles containing a metal, second conductive particles formed of ceramic particles coated with silver (Ag), and a thermosetting resin.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: April 25, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chi Hwa Lee, Sang Min Youn, Kum Jin Park, Chang Hak Choi, Jin Woo Kim
  • Patent number: 9576729
    Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body in which internal electrodes and dielectric layers containing a barium titanate-based compound containing calcium (Ca) are alternately stacked; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes. The dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, the interfacial portion having a calcium (Ca) concentration higher than that of the central portion.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kum Jin Park, Chang Hak Choi, Chi Hwa Lee, Jong Hoon Yoo, Min Gi Sin
  • Publication number: 20170025222
    Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately stacked. The dielectric layers contain at least one dielectric grain having a ratio of a long axis to a short axis that is 3.5 or more. The internal electrodes contain a ceramic component containing a grain growth adjusting ingredient for dielectric grains. Each dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, and concentrations of the grain growth adjusting ingredient in the interfacial portions and the central portion are different from each other.
    Type: Application
    Filed: March 16, 2016
    Publication date: January 26, 2017
    Inventors: Kum Jin PARK, Chang Hak CHOI, Jong Hoon YOO, Doo Young KIM, Min Gi SIN, Chi Hwa LEE, Chul Seung LEE, Jong Han KIM
  • Publication number: 20160314900
    Abstract: A multilayer ceramic electronic component includes a plurality of dielectric layers; and internal electrodes disposed on the dielectric layers and containing an additive. The additive contains lithium (Li) and a dielectric material.
    Type: Application
    Filed: January 21, 2016
    Publication date: October 27, 2016
    Inventors: Min Gi SIN, Kum Jin PARK, Jong Hoon YOO, Chi Hwa LEE, Chang Hak CHOI
  • Publication number: 20160181019
    Abstract: A multilayer ceramic electronic component and a method of manufacturing the same are provided. The multilayer ceramic electronic component includes: a ceramic body including dielectric layers; and internal electrodes disposed on the dielectric layers within the ceramic body and containing a ceramic material trapped therein. The ceramic material is a dielectric material doped with an additive.
    Type: Application
    Filed: July 14, 2015
    Publication date: June 23, 2016
    Inventors: Kum Jin PARK, Chang Hak CHOI, Chi Hwa LEE, Min Gi SIN, Woo Sup KIM, Jong Hoon YOO
  • Publication number: 20160104576
    Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body in which internal electrodes and dielectric layers containing a barium titanate-based compound containing calcium (Ca) are alternately stacked; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes. The dielectric layer includes interfacial portions adjacent to the internal electrodes and a central portion disposed between the interfacial portions, the interfacial portion having a calcium (Ca) concentration higher than that of the central portion.
    Type: Application
    Filed: March 30, 2015
    Publication date: April 14, 2016
    Inventors: Kum Jin PARK, Chang Hak CHOI, Chi Hwa LEE, Jong Hoon YOO, Min Gi SIN
  • Publication number: 20160099110
    Abstract: A conductive paste for an external electrode, a multilayer ceramic electronic component using the same, and a manufacturing method of a multilayer ceramic electronic component are provided. The conductive paste for an external electrode includes first conductive particles containing a metal, second conductive particles formed of ceramic particles coated with silver (Ag), and a thermosetting resin.
    Type: Application
    Filed: May 21, 2015
    Publication date: April 7, 2016
    Inventors: Chi Hwa LEE, Sang Min YOUN, Kum Jin PARK, Chang Hak CHOI, Jin Woo KIM