Patents by Inventor Hang Kyu CHO

Hang Kyu 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).

  • Publication number: 20170244023
    Abstract: An electronic component includes external electrodes formed on an external surface of a body to be electrically connected to internal electrodes, and containing metal particles and glass, wherein the metal particles include particles having a polyhedral shape.
    Type: Application
    Filed: October 12, 2016
    Publication date: August 24, 2017
    Inventors: Jeong Ryeol KIM, Bum Suk KANG, Hyo Min KANG, Hang Kyu CHO, Chang Hoon KIM
  • Patent number: 9490070
    Abstract: A multilayer ceramic electronic component may include: a ceramic body in which dielectric layers containing plate-shaped dielectric grains are stacked; and internal electrodes disposed on the dielectric layers within the ceramic body. The dielectric layer may contain dielectric grains, plate-shaped surfaces of which have an angle of 20° or less with regard to a boundary surface between the dielectric layer and the internal electrode.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: November 8, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sun Ho Yoon, Hang Kyu Cho, Han Soung Jeong, Hyo Jung Kim
  • 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
  • Patent number: 9368282
    Abstract: A multilayer ceramic capacitor includes a ceramic body including dielectric layers and internal electrodes; an electrode layer disposed on an outer surface of the ceramic body and electrically connected to the internal electrodes; a first composite resin layer disposed on the electrode layer and including a first conductive powder; and a second composite resin layer disposed on the first composite resin layer and including a second conductive powder different from the first conductive powder.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: June 14, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Ik Moon, Byoung Jin Chun, Hang Kyu Cho, Jae Hwan Han
  • Patent number: 9349536
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers; an oxide film formed on one surface of the ceramic body; first and second external electrodes formed on both sides of the oxide film on one surface of the ceramic body; a first internal electrode formed on the dielectric layer and including a first electrode lead-out portion exposed to the first external electrode and a first insulating lead-out portion exposed to the oxide film and having a composite-metal-oxide region formed in an exposed edge portion thereof; a second internal electrode facing the first internal electrode, having the dielectric layer interposed therebetween, and including a second electrode lead-out portion exposed to the second external electrode and a second insulating lead-out portion exposed to the oxide film, having a composite-metal-oxide region formed in an exposed edge portion thereof, and overlapped with the first insulating lead-out portion to form additional capacitance.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: May 24, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Jae Yeol Choi, Doo Young Kim, Hang Kyu Cho, Eung Soo Kim, Byung Woo Han
  • Publication number: 20150318110
    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: Application
    Filed: July 18, 2014
    Publication date: November 5, 2015
    Inventors: Jong Ho LEE, Hang Kyu CHO, Doo Young KIM, Chung Eun LEE, Chul Seung LEE
  • Publication number: 20150318109
    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: Application
    Filed: July 18, 2014
    Publication date: November 5, 2015
    Inventors: Chung Eun Lee, Doo Young Kim, Hang Kyu Cho, Jong Ho Lee
  • Publication number: 20150318111
    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: Application
    Filed: July 24, 2014
    Publication date: November 5, 2015
    Inventors: Chung Eun LEE, Doo Young KIM, Hang Kyu CHO, Jong Ho LEE
  • Publication number: 20150221437
    Abstract: A multilayer ceramic electronic component may include: a ceramic body in which dielectric layers containing plate-shaped dielectric grains are stacked; and internal electrodes disposed on the dielectric layers within the ceramic body. The dielectric layer may contain dielectric grains, plate-shaped surfaces of which have an angle of 20° or less with regard to a boundary surface between the dielectric layer and the internal electrode.
    Type: Application
    Filed: April 22, 2014
    Publication date: August 6, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sun Ho YOON, Hang Kyu CHO, Han Soung JEONG, Hyo Jung KIM
  • Publication number: 20150090483
    Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body including dielectric layers and internal electrodes; an electrode layer disposed on an outer surface of the ceramic body and electrically connected to the internal electrodes; a first composite resin layer disposed on the electrode layer and including a first conductive powder; and a second composite resin layer disposed on the first composite resin layer and including a second conductive powder different from the first conductive powder.
    Type: Application
    Filed: December 24, 2013
    Publication date: April 2, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Je Ik MOON, Byoung Jin CHUN, Hang Kyu CHO, Jae Hwan HAN
  • Patent number: 8947849
    Abstract: There is provided a multilayer ceramic electronic component. The multilayer ceramic electronic component includes a ceramic main body including a dielectric layer, and first and second internal electrodes disposed to face each other within the ceramic main body and having the dielectric layer interposed therebetween. When an average roughness of center lines of the first and second internal electrodes is Ra, a maximum distance from a virtual line corresponding to Ra to a bottom of a pit (d) formed below the virtual line is 0.1 ?m to 13 ?m. The surface roughness of the internal electrode printed surface is improved to decrease the occurrence of electrical shorts.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: February 3, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Woo Lee, Tae Hyeong Kim, Eung Soo Kim, Chi Hyoun Ro, Hang Kyu Cho
  • Publication number: 20150028983
    Abstract: A magnetic paste composition for a chip electronic component, a chip electronic component, and a manufacturing method therof are provided. The chip electronic component is capable of being manufactured in a thin-film to allow for thinness and miniaturization thereof, thereby preventing a deterioration in efficiency thereof due to core loss even under high frequency and high current conditions. The chip electronic component exhibits high permeability, high efficiency, and a high Isat value by decreasing porosity.
    Type: Application
    Filed: April 25, 2014
    Publication date: January 29, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Han Wool RYU, Gwang Hwan HWANG, Kwi Jong LEE, Hwan Soo LEE, Hang Kyu CHO
  • Patent number: 8934215
    Abstract: A laminated chip electronic component includes: a ceramic body including internal electrodes and dielectric layers; external electrodes covering end portions of the ceramic body in length direction; an active layer in which the internal electrodes are disposed in opposing manner, while having the dielectric layers interposed therebetween, to form capacitance; and upper and lower cover layers formed on upper and lower portions of the active layer in thickness direction, the lower cover layer thicker than the upper cover layer.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: January 13, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd
    Inventors: Hang Kyu Cho, Young Ghyu Ahn, Jae Yeol Choi, Doo Young Kim, Seok Hyun Yoon, Ji Young Park
  • Publication number: 20140125194
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers; an oxide film formed on one surface of the ceramic body; first and second external electrodes formed on both sides of the oxide film on one surface of the ceramic body; a first internal electrode formed on the dielectric layer and including a first electrode lead-out portion exposed to the first external electrode and a first insulating lead-out portion exposed to the oxide film and having a composite-metal-oxide region formed in an exposed edge portion thereof; a second internal electrode facing the first internal electrode, having the dielectric layer interposed therebetween, and including a second electrode lead-out portion exposed to the second external electrode and a second insulating lead-out portion exposed to the oxide film, having a composite-metal-oxide region formed in an exposed edge portion thereof, and overlapped with the first insulating lead-out portion to form additional capacitance.
    Type: Application
    Filed: December 14, 2012
    Publication date: May 8, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho LEE, Jae Yeol CHOI, Doo Young KIM, Hang Kyu CHO, Eung Soo KIM, Byung Woo HAN
  • Publication number: 20140020942
    Abstract: A laminated chip electronic component includes: a ceramic body including internal electrodes and dielectric layers; external electrodes covering end portions of the ceramic body in length direction; an active layer in which the internal electrodes are disposed in opposing manner, while having the dielectric layers interposed therebetween, to form capacitance; and upper and lower cover layers formed on upper and lower portions of the active layer in thickness direction, the lower cover layer thicker than the upper cover layer.
    Type: Application
    Filed: December 13, 2012
    Publication date: January 23, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hang Kyu CHO, Young Ghyu AHN, Jae Yeol CHOI, Doo Young KIM, Seok Hyun YOON, Ji Young PARK
  • Publication number: 20130279074
    Abstract: There is provided a multilayer ceramic electronic component. The multilayer ceramic electronic component includes a ceramic main body including a dielectric layer, and first and second internal electrodes disposed to face each other within the ceramic main body and having the dielectric layer interposed therebetween. When an average roughness of center lines of the first and second internal electrodes is Ra, a maximum distance from a virtual line corresponding to Ra to a bottom of a pit (d) formed below the virtual line is 0.1 ?m to 13 ?m. The surface roughness of the internal electrode printed surface is improved to decrease the occurrence of electrical shorts.
    Type: Application
    Filed: June 29, 2012
    Publication date: October 24, 2013
    Inventors: Jin Woo LEE, Tae Hyeong KIM, Eung Soo KIM, Chi Hyoun RO, Hang Kyu CHO
  • Publication number: 20120127628
    Abstract: There are provided a ceramic composition for a multilayer ceramic capacitor, a multilayer ceramic capacitor comprising the same, and a method of manufacturing the multilayer ceramic capacitor. The ceramic composition includes a dielectric ceramic powder; an organic binder; and an antistatic agent represented by a specific Chemical Formula. A ceramic green sheet comprising the ceramic composition according to an exemplary embodiment of the present invention only generates a small amount of static electricity and shows excellent mechanical physical properties even in the case that the thickness thereof is thin.
    Type: Application
    Filed: June 14, 2011
    Publication date: May 24, 2012
    Inventors: Eun Jung LEE, Hang Kyu Cho, Su Yeoun Kim, Byeong Gyu Park, Doo Young Kim
  • Publication number: 20080314743
    Abstract: Provided is a shadow mask including a substrate; a mask that is formed to have an opening for transferring a thin film onto the substrate in a desired shape; and a delamination-preventing polymer layer formed on the mask.
    Type: Application
    Filed: April 16, 2008
    Publication date: December 25, 2008
    Inventors: Young Woo LEE, Gee Lyong KIM, Hang Kyu CHO, Jeong Min CHO