Patents by Inventor CHung-Eun Lee

CHung-Eun Lee 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: 11901127
    Abstract: A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO3-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33?Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2?Ca/(Ba+Ca).
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Sung Park, Jeong Yun Park, Hyoung Uk Kim, Jong Han Kim, Chung Eun Lee
  • Patent number: 11901130
    Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.
    Type: Grant
    Filed: January 17, 2023
    Date of Patent: February 13, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Soo Park, Myung Jun Park, Hyun Hee Gu, Bum Soo Kim, Yeon Song Kang, Duk Hyun Chun, Chung Eun Lee
  • Patent number: 11804331
    Abstract: A multilayer electronic component includes: a body including dielectric layers; side margin portions disposed on side surfaces of the body, respectively; and external electrodes disposed on end surfaces of the body, respectively. The body includes a capacitance forming portion including internal electrodes disposed alternately with the dielectric layers and cover portions disposed on upper and lower surfaces of the capacitance forming portion, respectively. Ga2/Ga1 is 0.8 or more and less than 1.0 and Ga2/Gc1 is 0.8 or more and less than 1.0. a1 is a central portion of the capacitance forming portion, a2 is a boundary portion between the capacitance forming portion and the cover portion in the capacitance forming portion, and c1 is a boundary portion between the capacitance forming portion and the cover portion in the cover portion. Ga1, Ga2, and Gc1 are average sizes of dielectric grains at a1, a2, and c1, respectively.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyoung Uk Kim, Seung In Baik, Ji Su Hong, Eun Ha Jang, Jae Sung Park, Chung Eun Lee
  • Publication number: 20230154684
    Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 18, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Soo PARK, Myung Jun PARK, Hyun Hee GU, Bum Soo KIM, Yeon Song KANG, Duk Hyun CHUN, Chung Eun LEE
  • Patent number: 11626246
    Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are provided and a plurality of internal electrodes are stacked with the dielectric layer interposed therebetween and external electrodes disposed outside the body and connected to the plurality of internal electrodes. The body includes a high resistance portion disposed in at least one region between the dielectric layer and the internal electrode and inside the dielectric layer and having electric resistance higher than electric resistance of the internal electrode, and the high resistance portion and the plurality of internal electrodes include the same metal component and the same metal oxide component.
    Type: Grant
    Filed: August 11, 2021
    Date of Patent: April 11, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Hong Seok Kim, Dong Chan Kim, Eun Jeong Cho, Chung Eun Lee, Hye Bin Kim, Eun Joo Choi, Sun Ju Hwang
  • Patent number: 11587735
    Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: February 21, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Soo Park, Myung Jun Park, Hyun Hee Gu, Bum Soo Kim, Yeon Song Kang, Duk Hyun Chun, Chung Eun Lee
  • Patent number: 11551870
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB?1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Jeong Sim, Ho Sam Choi, Seung Min Kang, Jin Kyu Kim, Jae Won Kim, So Hyeon Hong, Jong Ho Lee, Chung Eun Lee
  • Publication number: 20220204407
    Abstract: A dielectric material includes a main component represented by (Ba1-xCax)(Ti1-y(Zr, Sn, Hf)y)O3 (0?x?1 and 0?y?0.5); a first subcomponent including at least one of elements among Y, Dy, Ho, Er, Gd, Ce, Nd, Nb, Sm, Tb, Eu, Tm, La, Lu, and Yb; a second subcomponent including Si and/or Al; and a third subcomponent including Ba and/or Ca.
    Type: Application
    Filed: November 10, 2021
    Publication date: June 30, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Sung PARK, Hee Sun CHUN, In Tae SEO, Hyung Joon JEON, Chung Eun LEE, Jong Han KIM
  • Publication number: 20220181081
    Abstract: A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO3-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33?Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2?Ca/(Ba+Ca).
    Type: Application
    Filed: September 14, 2021
    Publication date: June 9, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Sung Park, Jeong Yun Park, Hyoung Uk Kim, Jong Han Kim, Chung Eun Lee
  • Publication number: 20220157530
    Abstract: A multilayer electronic component includes: a body including dielectric layers; side margin portions disposed on side surfaces of the body, respectively; and external electrodes disposed on end surfaces of the body, respectively. The body includes a capacitance forming portion including internal electrodes disposed alternately with the dielectric layers and cover portions disposed on upper and lower surfaces of the capacitance forming portion, respectively. Ga2/Ga1 is 0.8 or more and less than 1.0 and Ga2/Gc1 is 0.8 or more and less than 1.0. a1 is a central portion of the capacitance forming portion, a2 is a boundary portion between the capacitance forming portion and the cover portion in the capacitance forming portion, and c1 is a boundary portion between the capacitance forming portion and the cover portion in the cover portion. Ga1, Ga2, and Gc1 are average sizes of dielectric grains at a1, a2, and c1, respectively.
    Type: Application
    Filed: July 14, 2021
    Publication date: May 19, 2022
    Inventors: Hyoung Uk Kim, Seung In Baik, Ji Su Hong, Eun Ha Jang, Jae Sung Park, Chung Eun Lee
  • Publication number: 20220139624
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB<1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.
    Type: Application
    Filed: August 10, 2021
    Publication date: May 5, 2022
    Inventors: Kyu Jeong SIM, Ho Sam CHOI, Seung Min KANG, Jin Kyu KIM, Jae Won KIM, So Hyeon HONG, Jong Ho LEE, Chung Eun LEE
  • Publication number: 20220139619
    Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are provided and a plurality of internal electrodes are stacked with the dielectric layer interposed therebetween and external electrodes disposed outside the body and connected to the plurality of internal electrodes. The body includes a high resistance portion disposed in at least one region between the dielectric layer and the internal electrode and inside the dielectric layer and having electric resistance higher than electric resistance of the internal electrode, and the high resistance portion and the plurality of internal electrodes include the same metal component and the same metal oxide component.
    Type: Application
    Filed: August 11, 2021
    Publication date: May 5, 2022
    Inventors: Jong Ho Lee, Hong Seok Kim, Dong Chan Kim, Eun Jeong Cho, Chung Eun Lee, Hye Bin Kim, Eun Joo Choi, Sun Ju Hwang
  • Publication number: 20210265114
    Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.
    Type: Application
    Filed: May 13, 2020
    Publication date: August 26, 2021
    Inventors: Jin Soo PARK, Myung Jun PARK, Hyun Hee GU, Bum Soo KIM, Yeon Song KANG, Duk Hyun CHUN, Chung Eun LEE
  • Patent number: 10262795
    Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately disposed. Ceramic-metal compound layers are disposed on interfaces between the internal electrodes and the dielectric layers. Additionally, in some examples, spaces between adjacent internal electrodes are fully occupied by the dielectric layers and the dielectric layers contain a ceramic-metal compound containing metal particle. The ceramic-metal compound layer may have an embossing type configuration or a dendrite type configuration.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: April 16, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hong Seok Kim, Chung Eun Lee, Doo Young Kim, Ki Han Kim, Ji Ye Choi, Kyung Ryul Lee, Jae Yeol Choi, Soo Kyong Jo
  • Patent number: 9818538
    Abstract: A multilayer ceramic electronic component may include a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on the active part, and a lower cover part disposed below the active part, a buffer layer disposed in at least one of the upper and lower cover parts, and external electrodes disposed on end surfaces of the ceramic body. The buffer layer may contain a conductive metal in a content of 1 to 40 vol %.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Seok Kim, Chung Eun Lee, Chang Hoon Kim, Doo Young Kim
  • Patent number: 9672984
    Abstract: There are provided a multilayer ceramic electronic component capable of preventing problems occurring due to a difference in sintering behavior between ceramic layers and internal electrodes and having excellent reliability, and a manufacturing method thereof. The multilayer ceramic electronic component may include a ceramic body including a plurality of ceramic layers; and internal electrodes disposed in the ceramic body. The internal electrodes may contain a conductive ceramic oxide.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: June 6, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Seok Kim, Chung Eun Lee, Chang Hoon Kim, Doo Young Kim
  • Publication number: 20170011850
    Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately disposed. Ceramic-metal compound layers are disposed on interfaces between the internal electrodes and the dielectric layers. Additionally, in some examples, spaces between adjacent internal electrodes are fully occupied by the dielectric layers and the dielectric layers contain a ceramic-metal compound containing metal particle. The ceramic-metal compound layer may have an embossing type configuration or a dendrite type configuration.
    Type: Application
    Filed: March 16, 2016
    Publication date: January 12, 2017
    Inventors: Hong Seok KIM, Chung Eun LEE, Doo Young KIM, Ki Han KIM, Ji Ye CHOI, Kyung Ryul LEE, Jae Yeol CHOI, Soo Kyong JO
  • Patent number: 9466424
    Abstract: A multilayer ceramic electronic component may include: a ceramic body including a plurality of dielectric layers; internal electrodes disposed in the ceramic body and having one ends exposed to outer surfaces of the ceramic body; and external electrodes disposed on the outer surfaces of the ceramic body to be connected to the respective one ends of the internal electrodes and containing a conductive metal and a conductive ceramic powder.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: October 11, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chung Eun Lee, Doo Young Kim, Hang Kyu Cho, Jong Ho Lee
  • Patent number: 9418789
    Abstract: A multilayer ceramic electronic component may include: a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on an upper portion of the active part, and a lower cover part disposed on a lower portion thereof; a first dummy electrode disposed between a central portion of the upper or lower cover part in a length direction and one end surface of the cover part in the length direction; and a second dummy electrode disposed between the central portion of the upper or lower cover part in the length direction and the other end surface of the cover part in the length direction, and spaced apart from the first dummy electrode.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 16, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Hang Kyu Cho, Doo Young Kim, Chung Eun Lee, Chul Seung Lee
  • Patent number: 9390854
    Abstract: A multilayer ceramic electronic component may include: a plurality of active parts including a plurality of dielectric layers and a plurality of internal electrodes that are alternately disposed, the plurality of active parts being stacked; an interlayer margin part disposed between the active parts adjacent to each other and containing magnesium; an upper cover part disposed on an upper portion of an uppermost active part among the plurality of active parts and containing magnesium; and a lower cover part disposed on a lower portion of a lowermost active part among the plurality of active parts and containing magnesium, wherein the upper and lower cover parts and the interlayer margin part include magnesium-nickel oxide layers formed on interfaces thereof adjacent to the active parts.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: July 12, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chung Eun Lee, Doo Young Kim, Hang Kyu Cho, Jong Ho Lee