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: 20140160620
    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: Application
    Filed: February 5, 2013
    Publication date: June 12, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wi Heon KIM, Doo Young KIM, Jae Yeol CHOI
  • Publication number: 20140160615
    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: Application
    Filed: December 14, 2012
    Publication date: June 12, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Gon LEE, Hyung Joon KIM, Ki Yong LEE, Jun Hee KIM, Jae Yeol CHOI
  • Publication number: 20140146436
    Abstract: Multilayer ceramic electronic component includes: a ceramic body including dielectric layers and having first and second main surfaces, first and second side surfaces, and first and second end surfaces; a first internal electrode including a capacitance forming portion having an overlap region for forming capacitance and a first lead-out portion extended from the capacitance forming portion to be exposed to the first side surface; a second internal electrode alternately stacked with the first internal electrode, having the dielectric layer interposed therebetween, insulated from the first internal electrode, and having a second lead-out portion extended from the capacitance forming portion to be exposed to the first side surface; first and second external electrodes connected to the first and second lead-out portions, respectively; an insulation layer.
    Type: Application
    Filed: December 14, 2012
    Publication date: May 29, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wi Heon KIM, Doo Young KIM, Jae Yeol CHOI, Jong Ho LEE
  • 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: 20140126110
    Abstract: There are provided a multilayer ceramic capacitor and a manufacturing method thereof, the multilayer ceramic capacitor including: a ceramic body; first and second internal electrodes; first and second external electrodes; and a first insulating layer
    Type: Application
    Filed: December 14, 2012
    Publication date: May 8, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eung Soo Kim, Jae Yeol Choi, Doo Young Kim, Jong Ho Lee, Yu Na Kim, Sung Woo Kim
  • Publication number: 20140126104
    Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including dielectric layers having an average thickness of 0.6 ?m or less; and first and second internal electrodes, wherein the ceramic body includes a capacitance formation part and a non-capacitance formation part provided on at least one surface of upper and lower surfaces of the capacitance formation part, and when the capacitance formation part is divided into three regions in a thickness direction of the ceramic body, in a central region among the three regions, dielectric grains have an average particle size of 150 nm or less, and the number of dielectric grains per layer is 4 or more, and in upper and lower regions, dielectric grains have an average particle size of 200 nm or less, respectively, and the number of dielectric grains per layer is 3 or more.
    Type: Application
    Filed: January 22, 2013
    Publication date: May 8, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Wi Heon KIM, Doo Young KIM, Jae Yeol CHOI
  • Patent number: 8711545
    Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: April 29, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chung Eun Lee, Jae Yeol Choi, Doo Young Kim, Wi Heon Kim
  • Publication number: 20140111300
    Abstract: There is provided a method of manufacturing a multilayer ceramic electronic component including: preparing a ceramic body including internal electrodes; forming electrode layers including at least one conductive metal selected from a group consisting of copper (Cu), silver (Ag), palladium (Pd), and platinum (Pt), an alloy thereof, or a coating material and electrically connected to the internal electrodes on external surfaces of the ceramic body; forming nickel (Ni) layers on external surfaces of the electrode layers by a firing method; and forming tin (Sn) layers on external surfaces of the nickel (Ni) layers by a firing method.
    Type: Application
    Filed: December 31, 2012
    Publication date: April 24, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Myung Jun Park, Kyu Sik Park, Young Sook Lee, Jae Yeol Choi, Doo Young Kim
  • Publication number: 20140085852
    Abstract: There is provided a multilayer ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes formed on at least one surfaces of the dielectric layers and alternately exposed through both end surfaces of the ceramic body in a length direction of the ceramic body; a first acoustic noise absorption layer formed on one surface of the ceramic body in a stacking direction of the dielectric layers and having a thickness of 3 ?m to 500 ?m; first and second external electrodes formed on both end surfaces of the ceramic body and electrically connected to exposed portions of the first and second internal electrodes; and a printed circuit board having the first and second external electrodes mounted thereon while facing the first acoustic noise absorption layer.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 27, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyu Sik Park, Jae Yeol Choi, Young Sook Lee, Myung Jun Park
  • Patent number: 8675340
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic element having a plurality of dielectric layers laminated therein; and first and second internal electrodes formed within the ceramic element, wherein the first and second internal electrodes include 80 to 99.98 wt % of nickel (Ni), 0.01 to 10 wt % of copper (Cu), and 0.01 to 10 wt % of barium titanate (BaTiO3).
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: March 18, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seok Joon Hwang, Je Jung Kim, Jae Yeol Choi, Sang Hoon Kwon
  • Publication number: 20140048750
    Abstract: There is provided a conductive paste composition for an internal electrode of a multilayered ceramic electronic component including: a metal powder; and a chrome (Cr) or cobalt (Co) powder having a melting point higher than that of the metal powder. In the conductive paste composition for the internal electrode, the sintering shrinkage temperature of the internal electrode may be increased, and the connectivity of the internal electrode may be improved.
    Type: Application
    Filed: October 25, 2012
    Publication date: February 20, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han KIM, Eung Soo KIM, Seung Ho LEE, Jae Yeol CHOI
  • Publication number: 20140043721
    Abstract: There are provided a multilayer ceramic electronic component and a method of manufacturing the same, the multilayer ceramic electronic component, including: a ceramic body including a plurality of dielectric layers laminated therein, each dielectric layer having an average thickness of 0.65 ?M or less; internal electrodes disposed to face each other while having each dielectric layer interposed therebetween in the ceramic body; and external electrodes electrically connected to the internal electrodes, wherein, when td denotes the average thickness of each of the dielectric layers and te denotes an average thickness of each of the internal electrodes, te/td?0.77 is satisfied.
    Type: Application
    Filed: March 14, 2013
    Publication date: February 13, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han KIM, Eung Soo KIM, Seung Ho LEE, Jae Yeol CHOI
  • 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: 20140022690
    Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes formed on at least one of the dielectric layers and alternately exposed through both ends of the ceramic body in a stacking direction of the ceramic body; an a step compensation cover including a ceramic material having a viscosity higher than that of a ceramic material included in the ceramic body and formed on at least one of an upper surface and a lower surface of the ceramic body.
    Type: Application
    Filed: November 26, 2012
    Publication date: January 23, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Woo KIM, Jae Yeol CHOI, Yu Na KIM, Jong Ho LEE
  • Patent number: 8630082
    Abstract: There are provided a multilayer ceramic electronic component and a method of manufacturing the same, the multilayer ceramic electronic including: a ceramic body; and a plurality of internal electrodes laminated within the ceramic body, wherein, when T1 is the greatest distance between an upper outermost internal electrode and a lower outermost internal electrode among the plurality of internal electrodes and T2 is the distance between the highest point and the lowest point in each of the upper outermost internal electrode and the lower outermost internal electrode in a thickness direction of the ceramic body, T2/T1<0.05 is satisfied, and thus, defects in alignment of internal electrodes of the multilayer ceramic electronic component may be suppressed.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: January 14, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jong Ho Lee, Sung Chul Bae, Jae Yeol Choi, Sung Woo Kim, Yu Na Kim
  • Publication number: 20140009867
    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: Application
    Filed: September 14, 2012
    Publication date: January 9, 2014
    Inventors: Jong Ho LEE, Jae Yeol CHOI, Doo Young KIM, Myung Jun PARK, Yu Na KIM, Sung Woo KIM
  • Publication number: 20130308246
    Abstract: A multilayered ceramic electronic component includes: a ceramic element having a plurality of dielectric layers laminated therein; first inner electrodes formed on the dielectric layers disposed in upper and lower portions in the ceramic element, the width of a portion of each of the first inner electrodes exposed from one end face of the ceramic element being less than that of a portion thereof disposed within the ceramic element; and second inner electrodes formed on the dielectric layers disposed in the middle portion in the ceramic element, the width of a portion of each of the second inner electrodes exposed from one end face of the ceramic element being equal to that of a portion thereof disposed within the ceramic element.
    Type: Application
    Filed: July 25, 2013
    Publication date: November 21, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chung Eun LEE, Jae Yeol CHOI, Doo Young KIM, Wi Heon KIM
  • Patent number: 8587920
    Abstract: Disclosed herein are a multilayer ceramic electronic component and a method for manufacturing the same. The multilayer ceramic electronic component includes a multilayer body in which dielectric layers and internal electrode layers are alternately stacked and external electrodes, wherein a portion in the internal electrode layers positioned in a marginal portion in which vertically neighboring internal electrode layers in the multilayer body is not overlapped with each other has a thickness thicker than that of a portion of the internal electrode layer positioned in an overlapped portion in which the vertically neighboring internal electrode layers are overlapped with each other, such that an accumulated stepped height difference in the marginal portion is reduced.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: November 19, 2013
    Assignee: Samsung Electr-Mechanics Co., Ltd.
    Inventors: Jae Joon Lee, Jae Yeol Choi, Hyoung Wook Lim, Sung Chul Bae
  • Publication number: 20130294008
    Abstract: The present invention relates to a multilayer electronic component having a structure in which a dielectric layer and an internal electrode layer are alternately laminated, which includes the dielectric layer and the internal electrode layer including metal powder and an inhibitor, wherein the inhibitor includes 0.5 to 20 mol % of a Ca component based on 100 mol % of a barium titanate (BT) base material, and a method for manufacturing the same. According to the present invention, it is possible to provide a multilayer electronic component that can implement excellent electrical characteristics and electrode connectivity by adding a Ca component to an internal electrode layer as a sub-component of the inhibitor to minimize the occurrence of oxygen vacancies on the interface formed when the inhibitor component included in the internal electrode layer moves to the dielectric layer.
    Type: Application
    Filed: March 13, 2013
    Publication date: November 7, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Han KIM, Su Hwan CHO, Doo Young KIM, Ji Young PARK, Jae Yeol CHOI
  • Publication number: 20130258551
    Abstract: There are provided a conductive paste composition for an internal electrode and a multilayer ceramic capacitor including the same. The conductive paste composition for an internal electrode includes metal powder; and chrome oxide (Cr2O3) or titanium oxide (TiO2) powder having a melting point higher than the melting point of the metal powder. The conductive paste composition for an internal electrode may increase a sintering shrinkage temperature of the internal electrode and improve connection properties of the internal electrode.
    Type: Application
    Filed: June 25, 2012
    Publication date: October 3, 2013
    Inventors: Jong Han KIM, Seung Ho Lee, Jae Yeol Choi, Eung Soo Kim