Patents by Inventor Jae Yeol Choi

Jae Yeol Choi 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: 20160172102
    Abstract: An electronic component includes a magnetic body, and a coil pattern embedded in the magnetic body and including internal coil parts having a spiral shape and lead parts connected to ends of the internal coil parts and externally exposed from the magnetic body. A thickness of each of the lead parts is formed to be thinner than a thickness of each of the internal coil parts.
    Type: Application
    Filed: November 9, 2015
    Publication date: June 16, 2016
    Inventors: Dong Jin JEONG, Jae Yeol CHOI
  • 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
  • Patent number: 9343236
    Abstract: A multilayer ceramic capacitor may include: a ceramic body; a first internal electrode is spaced apart from first and second end surfaces by a predetermined distance and includes first and second lead portions which are spaced apart from each other and exposed to a first main surface; and a second internal electrode is spaced apart from the first and second end surfaces by a predetermined distance and includes a third lead portion positioned between the first and second lead portions and exposed to the first main surface. The ceramic body may further include first and second dummy electrodes, a first dummy electrode being disposed on a dielectric layer on which the first internal electrode is disposed, and a second dummy electrode being disposed on a dielectric layer on which the second internal electrode is disposed.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: May 17, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Gun Kim, Jae Yeol Choi, Se Hwan Bong, Young Ha Kim
  • Patent number: 9336944
    Abstract: There are provided a multilayer ceramic electronic component and a board for mounting the same. The multilayer ceramic electronic component includes a hexahedral ceramic body including dielectric layers and satisfying T/W>1.0 when a width thereof is defined as W and a thickness thereof is defined as T; an active layer in which capacitance is formed, by including a plurality of first and second internal electrodes alternately exposed through both end surfaces of the ceramic body, having the dielectric layer interposed therebetween, an upper cover layer formed above the active layer; a lower cover layer formed below the active layer and having a greater thickness than the upper cover layer; and first and second external electrodes covering the end surfaces of the ceramic body, wherein when a thickness of the lower cover layer is defined as Tb, 0.03?Tb/T?0.25 is satisfied.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: May 10, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wi Heon Kim, Dae Bok Oh, Jea Hoon Lee, Sang Huk Kim, Jae Yeol Choi
  • Publication number: 20160126006
    Abstract: A coil component assembly includes a support member, a plurality of processed spaces penetrating through the support member, a plurality of coils disposed in the plurality of processed spaces, respectively, and a magnetic material covering the support member and the plurality of coils. The coil component assembly can be diced to form individually coil components.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Inventors: Jin Mo AHN, Yun Suk OH, Jae Yeol CHOI
  • Patent number: 9324496
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including a dielectric layer and having first and third surfaces opposing each other in a length direction of the dielectric layer and second and fourth surfaces opposing each other in a width direction thereof; and a multilayer part including a first internal electrode and a second internal electrode disposed to oppose each other, while having the dielectric layer interposed there between in the ceramic body, and exposed to the first and third surfaces of the ceramic body, respectively; wherein one or more residual carbon removing path parts are formed to be protruded on both side of the first and second internal electrodes in a length direction of the ceramic body.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: April 26, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Jae Yeol Choi, Doo Young Kim, Myung Jun Park, Yu Na Kim, Sung Woo Kim
  • Publication number: 20160099105
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers; an active part including first and second internal electrodes which are exposed to both end surfaces of the ceramic body in a length direction thereof, and floating electrodes which are partially overlapped with the first and second internal electrodes; upper and lower cover parts including the dielectric layers and disposed above and below the active part; dummy electrodes disposed in the upper and lower cover parts to be overlapped with the floating electrodes; and first and second external electrodes.
    Type: Application
    Filed: March 19, 2015
    Publication date: April 7, 2016
    Inventors: Sun Cheol LEE, Hyoung Wook LIM, Mi Ok PARK, Jae Yeol CHOI, Ji Hee MOON
  • Publication number: 20160086727
    Abstract: An electronic component and a board having the same are provided. The electronic component includes a multilayer body including a plurality of insulating layers with a bottom surface provided as a mounting surface and a top surface opposing the bottom surface; and external electrodes disposed on opposite end surfaces of the multilayer body in a length direction of the multilayer body. The multilayer body further includes a first protrusion portion disposed on the top surface, and second and third protrusion portions disposed on opposite side surfaces of the multilayer body in a width direction of the multilayer body, and a length of the first protrusion portion in the length direction is shorter than a length of the second and third protrusion portions in the length direction.
    Type: Application
    Filed: September 18, 2015
    Publication date: March 24, 2016
    Inventors: Min Sung CHOI, Jae Yeol CHOI
  • Publication number: 20160086716
    Abstract: There is provided a chip electronic component including; a magnetic body containing magnetic metal powder; an internal coil part embedded in the magnetic body; and a plating spreading prevention part coated on a surface of the magnetic body. The plating spreading prevention part contains phosphate-based glass. Whereby, plating spread generated in the surface of the chip electronic component at the time of forming the external electrodes may be prevented.
    Type: Application
    Filed: May 6, 2015
    Publication date: March 24, 2016
    Inventors: Youn Kyu CHOI, Hye Ah KIM, Yun Young YANG, Mi Jung KANG, Jae Yeol CHOI
  • Patent number: 9293259
    Abstract: There is provided a multilayer ceramic electronic component, including a ceramic body including dielectric layers, and having first and second main surfaces, first and second side surfaces and first and second end surfaces; first and second internal electrodes having overlap regions forming a capacitance part, the first internal electrodes having a first lead out portion to be exposed to the first side surface, and being alternately laminated with the second internal electrodes while being insulated therefrom, the second internal electrodes having a second lead out portion; first and second external electrodes connected to the first and second lead out portions, respectively; and an insulating layer formed on the first side surface, wherein a length of the first lead out portion is longer than that of the second lead out portion and the capacitance part has different distances from the first side surface.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wi Heon Kim, Doo Young Kim, Jae Yeol Choi, Jong Ho Lee
  • Patent number: 9293258
    Abstract: A multilayer ceramic electronic component including: a ceramic main body including a dielectric layer and having first and second main surfaces opposing one another, first and second lateral surfaces opposing one another, and first and second end surfaces opposing one another; a first internal electrode formed within the ceramic main body, including a capacitance formation part having an overlap region to form capacitance and a first lead out portion extending from the capacitance formation part so as to be exposed to the first lateral surface; a second internal electrode alternately laminated together with the first internal electrode, having a second lead out portion extending from the capacitance formation part so as to be exposed to the first lateral surface; first and second external electrodes; and insulating layers.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Gon Lee, Hyung Joon Kim, Ki Yong Lee, Jun Hee Kim, Jae Yeol Choi
  • Publication number: 20160042858
    Abstract: A chip-type coil component may include: a ceramic body of which a lower surface is provided as a mounting surface and in which a plurality of ceramic layers with a plurality of recesses provided therein are stacked; and an internal coil structure disposed within the ceramic body and including internal coil patterns disposed on the plurality of ceramic layers, wherein the plurality of recesses are exposed to the lower surface of the ceramic body, and the plurality of recesses are filled with a plurality of conductive materials.
    Type: Application
    Filed: April 2, 2015
    Publication date: February 11, 2016
    Inventors: Yong Sun PARK, Jae Yeol CHOI, Sung Jin PARK
  • Patent number: 9257232
    Abstract: A multilayer electronic component is provided having a structure in which a dielectric layer and an internal electrode layer are alternately laminated. The internal electrode layer includes metal powder and an inhibitor. The inhibitor includes 0.5 to 20 mol % of a Ca component based on 100 mol % of a barium titanate (BT) base material. A method for manufacturing the same is also provided.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han Kim, Su Hwan Cho, Doo Young Kim, Ji Young Park, Jae Yeol Choi
  • Patent number: 9218908
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body having first and second main surfaces, first and second side surfaces, and first and second end surfaces; a first block including first and second internal electrodes having overlap regions which form a capacitance part; one or more second blocks each including third and fourth internal electrodes having overlap regions which form a capacitance part; a first external electrode connected to the first and third lead out portions and a second external electrode connected to the second and fourth lead out portions; and an insulating layer formed on the first side surface of the ceramic body, wherein the second blocks are disposed on upper and lower parts of the first block.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: December 22, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wi Heon Kim, Doo Young Kim, Jae Yeol Choi
  • Patent number: 9214278
    Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including a dielectric layer and having first and second side surfaces; first and second internal electrodes having an overlapping region provided in the ceramic body, forming a capacitance forming area exposed to the first side surface, the first internal electrode having a first lead-out portion, and the second internal electrode being insulated from the first internal electrode and having a second lead-out portion; a first external electrode connected to the first lead-out portion and a second external electrode connected to the second lead-out portion; and an insulating layer formed on the first side surface, wherein the first and second external electrodes further include non-conductive layers formed on outer surfaces thereof.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: December 15, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Myung Jun Park, Kyu Sik Park, Young Sook Lee, Jae Yeol Choi, Doo Young Kim
  • Publication number: 20150348711
    Abstract: A multilayer ceramic capacitor may include: a ceramic body; a first internal electrode is spaced apart from first and second end surfaces by a predetermined distance and includes first and second lead portions which are spaced apart from each other and exposed to a first main surface; and a second internal electrode is spaced apart from the first and second end surfaces by a predetermined distance and includes a third lead portion positioned between the first and second lead portions and exposed to the first main surface. The ceramic body may further include first and second dummy electrodes, a first dummy electrode being disposed on a dielectric layer on which the first internal electrode is disposed, and a second dummy electrode being disposed on a dielectric layer on which the second internal electrode is disposed.
    Type: Application
    Filed: September 18, 2014
    Publication date: December 3, 2015
    Inventors: Dong Gun KIM, Jae Yeol CHOI, Se Hwan BONG, Young Ha KIM
  • Patent number: 9202629
    Abstract: There is provided a multilayer ceramic electronic component including, a ceramic body including dielectric layers, internal electrodes disposed in the ceramic body to face each other with the dielectric layers interposed therebetween, and having an average thickness of 1.0 ?m or less, and external electrodes formed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein at least one of the internal electrodes is formed of only a conductive metal.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han Kim, Jeong Ryeol Kim, Su Hwan Cho, Jae Man Park, Jae Yeol Choi
  • Patent number: 9165715
    Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes alternately formed on the plurality of dielectric layers and including first and second lead-out parts having an overlap area exposed to one surface of the ceramic body, respectively; first and second external electrodes formed on one surface of the ceramic body and electrically connected to the first and second lead-out parts, respectively; and a first insulating layer formed on one surface of the ceramic body to cover exposed portions of the first and second lead-out parts, wherein the first and second lead-out parts are formed to have concave-convex portions alternating with each other in the overlap area therebetween.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byung Kwon Yoon, Jae Yeol Choi, Sang Hyuk Kim
  • Patent number: 9165713
    Abstract: A multilayer ceramic electronic component includes a ceramic main body including dielectric layers and satisfying T/W>1.0 when W and T are width and thickness, respectively; and first and second internal electrodes stacked in the ceramic main body and facing each other with the dielectric layer interposed therebetween, the ceramic main body including an active layer corresponding to a capacitance forming portion contributing to capacitance formation and a cover layer corresponding to a non-capacitance forming portion provided on at least one of uppermost and lowermost surfaces of the active layer, and when the active layer is divided into three regions in a direction in which the first and second internal electrodes are stacked, an average width of internal electrodes in a central region of the three regions is Wa, and an average width of internal electrodes in upper and lower regions of the three regions is Wb, 0.920?Wb/Wa?0.998 is satisfied.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: October 20, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Woo Joon Lee, Dae Bok Oh, Jae Yeol Choi, Wi Heon Kim, Sang Huk Kim
  • Patent number: 9159495
    Abstract: There is provided a multilayer ceramic electronic component including a ceramic body including a plurality of dielectric layers stacked in a thickness direction and satisfying T/W>1.0 when it is defined that a width thereof is W and a thickness thereof is T, a plurality of first and second internal electrodes disposed in the ceramic body so as to face each other, having the dielectric layer interposed therebetween, and alternately exposed through both end surfaces of the ceramic body, and first and second external electrodes including head parts formed on both end surfaces of the ceramic body and two band parts connected to the head parts and formed on portions of upper and lower main surfaces of the ceramic body so as to be spaced apart from each other in a width direction, and electrically connected to the first and second internal electrodes, respectively.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: October 13, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hyuk Shim, Dae Bok Oh, Jae Yeol Choi, Myung Jun Park, Young Sook Lee