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: 20130250480
    Abstract: There is provided a multi-layer ceramic electronic component including: a ceramic sintered body in which a plurality of dielectric layers are laminated; first and second internal electrodes formed in the ceramic sintered body; first and second external electrodes formed on both ends of the ceramic sintered body while covering a circumference thereof, and electrically connected to the first and second internal electrodes; and a sealing part including a glass component and formed in a gap between an outer surface of the ceramic sintered body and ends of the first and second external electrodes.
    Type: Application
    Filed: November 7, 2012
    Publication date: September 26, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS
    Inventors: Chul Soon AHN, Jae Yeol CHOI, Jae Hyuk SHIM, Young Sook LEE, Hye Young CHOI, Eun Young NA
  • Publication number: 20130242460
    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: Application
    Filed: June 7, 2012
    Publication date: September 19, 2013
    Inventors: Jong Ho LEE, Sung Chul Bae, Jae Yeol Choi, Sung Woo Kim, Yu Na Kim
  • Publication number: 20130241361
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic element including a plurality of dielectric layers laminated therein; a plurality of first and second internal electrodes formed on dielectric layers positioned in a middle portion of the ceramic element and alternately exposed from both ends of the ceramic element; a plurality of dummy electrodes formed on dielectric layers positioned in upper and lower portions of the ceramic element, respectively; and first and second external electrodes formed on both ends of the ceramic element and electrically connected to the exposed portions of the first and second internal electrodes, wherein the length of each of the dummy electrodes is longer than that of the first and second external electrodes covering the ceramic element.
    Type: Application
    Filed: May 24, 2012
    Publication date: September 19, 2013
    Inventors: Chung Eun LEE, Doo Young Kim, Tae Hyeok Kim, Jae Yeol Choi
  • Publication number: 20130229749
    Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic sintered body having a plurality of dielectric layers laminated therein; first and second capacitance portions being formed on surfaces of the dielectric layers; first and second lead-out portions being respectively extended from both sides of the first and second capacitance portions to be respectively exposed through both side surfaces of the ceramic sintered body and spaced apart from each other; sealing parts enclosing both end portions and corner portions of the ceramic sintered body; and first and second external electrodes enclosing the sealing parts and formed on both end portions of the ceramic sintered body to be electrically connected to the first and second lead-out portions, respectively.
    Type: Application
    Filed: December 31, 2012
    Publication date: September 5, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chung Eun LEE, Jae Yeol CHOI, Doo Young KIM, Wi Heon KIM
  • Patent number: 8526163
    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: January 18, 2012
    Date of Patent: September 3, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chung Eun Lee, Jae Yeol Choi, Doo Young Kim, Wi Heon Kim
  • Publication number: 20130141835
    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: Application
    Filed: June 27, 2012
    Publication date: June 6, 2013
    Inventors: Seok Joon Hwang, Je Jung Kim, Jae Yeol Choi, Sang Hoon Kwon
  • Publication number: 20130141837
    Abstract: There is provided a 1005-sized or smaller multilayer ceramic electronic part, including: a ceramic body having internal electrodes having a directivity perpendicular to a printed circuit board; and external electrodes formed on both end portions of the ceramic body and electrically connected to the internal electrodes each including an active area part and a lead part, the active area parts facing each other to contribute to forming capacitance, and the lead part having a width smaller than that of the active area part, and wherein when a width of the active area part is defined as WLa, a width of the lead part on one end portion of the ceramic body connected to the external electrodes is defined as WL1, and a bottleneck rate ? of the lead part is defined as 1?WL1/WLa, the bottleneck rate ? of the lead part satisfies a range of 0<??0.12.
    Type: Application
    Filed: February 23, 2012
    Publication date: June 6, 2013
    Inventors: Chung Eun Lee, Seon Cheol Park, Jae Yeol Choi, Sang Hoon Kwon
  • Publication number: 20130134836
    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 99.9 wt % of copper (Cu) and 0.1 to 20 wt % of nickel (Ni), and a frequency therefor is 1000 MHz or less.
    Type: Application
    Filed: June 15, 2012
    Publication date: May 30, 2013
    Inventors: Seok Joon HWANG, Je Jung KIM, Jae Yeol CHOI, Sang Hoon KWON
  • Publication number: 20130107422
    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: January 18, 2012
    Publication date: May 2, 2013
    Inventors: Chung Eun Lee, Jae Yeol Choi, Doo Young Kim, Wi Heon Kim
  • Publication number: 20130107417
    Abstract: There is provided a multi-layered ceramic electronic component. The multi-layered ceramic electronic component according to embodiments of the present invention includes: a ceramic element in which a plurality of dielectric layers are stacked; and a plurality of first and second internal electrodes formed on at least one surface of the dielectric layer and alternately disposed in a width direction, wherein, when a distance from one side of the ceramic element to a leading edge of the first internal electrode in a width direction is set to be B, and a distance from one side of the ceramic element to a leading edge in a width direction of the second internal electrode thereof is set to be A, a difference between A and B is 10 to 14% of a width of the first internal electrode or the second internal electrode.
    Type: Application
    Filed: September 14, 2012
    Publication date: May 2, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dong Su Cho, Hyun Woo Kim, Jae Yeol Choi, Doo Young Kim, Sang Hoon Kwon, Seon Cheol Park
  • Publication number: 20120320493
    Abstract: There are provided a multilayer ceramic electronic component and a manufacturing method thereof. The multilayer ceramic electronic component includes: a body part including internal electrodes and dielectric layers and having at least one connection surface to which a portion of the internal electrodes are exposed; external electrodes coupled to the connection surface to thereby be electrically connected to the internal electrodes; and protective layers provided on the connection surface so as to shield at least portions of the internal electrodes exposed at the connection surface, wherein a width of an exposed part of the internal electrode shielded by the protective layer has 0.8 to 0.9 of that of an overall width of the internal electrode.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 20, 2012
    Inventors: Chung Eun Lee, Doo Young Kim, Seon Cheol Park, Jae Yeol Choi
  • Publication number: 20120307415
    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: Application
    Filed: May 24, 2012
    Publication date: December 6, 2012
    Inventors: Jae Joon Lee, Jae Yeol Choi, Hyoung Wook Lim, Sung Chul Bae