Patents by Inventor Chan Kwak

Chan Kwak 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: 10872725
    Abstract: A ceramic dielectric includes a plurality of semi-conductive grains including a semiconductor oxide including barium (Ba), titanium (Ti), and a rare earth element. A ceramic dielectric also includes an insulative oxide located between adjacent semiconductor grains and an acceptor element including manganese (Mn), magnesium (Mg), aluminum (Al), iron (Fe), scandium (Sc), gallium (Ga), or a combination thereof, a method of manufacturing the ceramic dielectric, and a ceramic electronic component, and an electronic device including the ceramic dielectric.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: December 22, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-Seok Moon, Hyeon Cheol Park, Chan Kwak, Hyun Sik Kim, Daejin Yang, Youngjin Cho
  • Publication number: 20200333827
    Abstract: An electrode structure includes: a first nonconductive layer; a first conductive layer disposed on the first nonconductive layer; a second nonconductive layer disposed on the first conductive layer; a second conductive layer disposed on the second nonconductive layer; and a third nonconductive layer disposed on the second conductive layer, where at least one of the first conductive layer and the second conductive layer includes a two-dimensional conductive material.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Chan KWAK, Jae-Young CHOI, Kwang Hee KIM, Jong Wook ROH, Hyeon Cheol PARK, Weon Ho SHIN, Yun Sung WOO, Hyosug LEE, Jinyoung HWANG
  • Publication number: 20200266264
    Abstract: A stacked structure including: a single crystal substrate and, single crystal material on the single crystal substrate, wherein the single crystal material has a same crystallographic orientation as a crystallographic orientation of the single crystal substrate. Also a method of forming the stacked structure, a ceramic electronic component, and a device.
    Type: Application
    Filed: August 15, 2019
    Publication date: August 20, 2020
    Inventors: Hyungjun KIM, Doh Won JUNG, Chan KWAK, Ki Hong KIM, Daejin YANG, Chang Soo LEE
  • Publication number: 20200243262
    Abstract: A method of manufacturing a ceramic dielectric, including: heat-treating a barium precursor or a strontium precursor, a titanium precursor, and a donor element precursor to obtain a conducting or semiconducting oxide, preparing a mixture including the conducting or semiconducting oxide and a liquid-phase acceptor element precursor, and sintering the mixture to form a ceramic dielectric, wherein the ceramic dielectric includes a plurality of grains and a grain boundary between adjacent grains, and wherein the plurality of grains including an insulating oxide comprising an acceptor element derived from the acceptor element precursor.
    Type: Application
    Filed: July 10, 2019
    Publication date: July 30, 2020
    Inventors: Chan KWAK, Myoung Pyo CHUN, Hyeon Cheol PARK, Daejin YANG
  • Publication number: 20200234888
    Abstract: A method of manufacturing a ceramic electronic component includes forming a dielectric layer including a plurality of ceramic nanosheets on a first electrode, treating the dielectric layer with an acid, and forming a second electrode on the dielectric layer, a ceramic electronic component, and an electronic device.
    Type: Application
    Filed: April 1, 2020
    Publication date: July 23, 2020
    Inventors: Yoon Chul SON, Minoru OSADA, Takayoshi SASAKI, Chan KWAK, Doh Won JUNG, Youngjin CHO
  • Publication number: 20200172445
    Abstract: A sintering jig according to the disclosure includes a first plate including a plurality of protrusions and a second plate stacked on the first plate and including through holes corresponding to the protrusions. The through hole includes a cylindrical portion through which the protrusion enter and exit and a conical portion widening towards an upper surface of the second plate from the cylindrical portion.
    Type: Application
    Filed: April 23, 2019
    Publication date: June 4, 2020
    Applicant: Samsung Electronics Co. Ltd.
    Inventors: Giyoung JO, Chan KWAK, Taewon JEONG
  • Publication number: 20200165142
    Abstract: Provided are a dielectric, a capacitor and a semiconductor device that include the dielectric, and a method of preparing the dielectric, the dielectric including: a composition represented by Formula 1; and an oxide including a perovskite type crystal structure having a polar space group or a non-polar space group other than a Pbnm space group: <Formula 1> AxByO3-? wherein, in Formula 1, A is a monovalent, divalent, or trivalent cation, B is a trivalent, tetravalent, or pentavalent cation, and 0.5?x?1.5, 0.5?y?1.5, and 0???0.5.
    Type: Application
    Filed: May 10, 2019
    Publication date: May 28, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Doh Won JUNG, Chan KWAK, Euncheol DO, Hyeon Cheol PARK, Daejin YANG, Taewon JEONG, Giyoung JO
  • Patent number: 10658113
    Abstract: Disclosed are a ceramic dielectric including a composite of a first dielectric and a second dielectric, wherein each of the first dielectric and the second dielectric includes strontium (Sr) and niobium (Nb) and has a different crystal system, a ceramic electronic component, and a device.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Doh Won Jung, Chan Kwak, Tae Won Jeong
  • Patent number: 10650977
    Abstract: A method of manufacturing a ceramic electronic component includes forming a dielectric layer including a plurality of ceramic nanosheets on a first electrode, treating the dielectric layer with an acid, and forming a second electrode on the dielectric layer, a ceramic electronic component, and an electronic device.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: May 12, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Yoon Chul Son, Minoru Osada, Takayoshi Sasaki, Chan Kwak, Doh Won Jung, Youngjin Cho
  • Patent number: 10643791
    Abstract: Disclosed are a dielectric material, a multi-layered capacitor, and an electronic device including the same. The dielectric material includes a dielectric material particle represented by ADO3, wherein A includes Sr, Ba, Ca, Pb, K, Na, or a combination thereof, D includes Ti, Zr, Mg, Nb, Ta, or a combination thereof, the dielectric material particle includes about 2.5 moles to about 4 moles of the donor element, based on 100 moles of D, and a diameter of the dielectric material particle is in a range of from about 100 nanometers to about 300 nanometers.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: May 5, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Sik Kim, Yoon Chul Son, Kyoung-Seok Moon, Daejin Yang, Chan Kwak
  • Publication number: 20200135358
    Abstract: An electrical conductor includes: a first conductive layer including a plurality of ruthenium oxide nanosheets, wherein at least one ruthenium oxide nanosheet of the plurality of ruthenium oxide nanosheets includes a halogen, a chalcogen, a Group 15 element, or a combination thereof on a surface of the ruthenium oxide nanosheet.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 30, 2020
    Inventors: Sungwoo HWANG, Se Yun KIM, Jong Wook ROH, Woojin LEE, Jongmin LEE, Doh Won JUNG, Chan KWAK
  • Publication number: 20200113049
    Abstract: An electrical conductor includes a substrate; and a first conductive layer disposed on the substrate and including a plurality of metal oxide nanosheets, wherein adjacent metal oxide nanosheets of the plurality of metal oxide nanosheets contact to provide an electrically conductive path between the contacting metal oxide nanosheets, wherein the plurality of metal oxide nanosheets include an oxide of Re, V, Os, Ru, Ta, Ir, Nb, W, Ga, Mo, In, Cr, Rh, Mn, Co, Fe, or a combination thereof, and wherein the metal oxide nanosheets of the plurality of metal oxide nanosheets have an average lateral dimension of greater than or equal to about 1.1 micrometers. Also an electronic device including the electrical conductor, and a method of preparing the electrical conductor.
    Type: Application
    Filed: December 5, 2019
    Publication date: April 9, 2020
    Inventors: Doh Won JUNG, Se Yun KIM, Jong Wook ROH, Jongmin LEE, Sungwoo HWANG, Jinyoung HWANG, Chan KWAK
  • Patent number: 10575370
    Abstract: An electrical conductor including: a first conductive layer including a plurality of metal nanowires; and a second conductive layer disposed on a surface of the first conductive layer, wherein the second conductive layer includes a plurality of metal oxide nanosheets, wherein in the first conductive layer, a metal nanowire of the plurality of metal nanowires contacts at least two metal oxide nanosheets of the plurality of metal oxide nanosheets, and wherein the plurality of metal oxide nanosheets includes an electrical connection between contacting metal oxide nanosheets.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: February 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Yun Kim, Jong Wook Roh, Jongmin Lee, Doh Won Jung, Sungwoo Hwang, Chan Kwak, Jinyoung Hwang
  • Patent number: 10546663
    Abstract: An electrical conductor includes: a first conductive layer including a plurality of ruthenium oxide nanosheets, wherein at least one ruthenium oxide nanosheet of the plurality of ruthenium oxide nanosheets includes a halogen, a chalcogen, a Group 15 element, or a combination thereof on a surface of the ruthenium oxide nanosheet.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: January 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungwoo Hwang, Se Yun Kim, Jong Wook Roh, Woojin Lee, Jongmin Lee, Doh Won Jung, Chan Kwak
  • Publication number: 20200027659
    Abstract: Disclosed are a ceramic dielectric including a composite of a first dielectric and a second dielectric, wherein each of the first dielectric and the second dielectric includes strontium (Sr) and niobium (Nb) and has a different crystal system, a ceramic electronic component, and a device.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 23, 2020
    Inventors: Doh Won JUNG, Chan KWAK, Tae Won JEONG
  • Publication number: 20190371487
    Abstract: A dielectric composite includes: at least one first dielectric material represented by Chemical Formula 1, and at least one second dielectric material represented by Chemical Formula 2, wherein the first dielectric material has at least one first crystal structure and the second dielectric material has a second crystal structure that is different from the first crystal structure, and the first dielectric material and the second dielectric material are agglomerated with each other, A111-xA12xB12O6??Chemical Formula 1 A212(1-y)A222yB22O7.
    Type: Application
    Filed: May 30, 2019
    Publication date: December 5, 2019
    Inventors: Doh Won JUNG, Chan KWAK, Hyungjun KIM, Jong Wook ROH, Daejin YANG, Youngjin CHO
  • Patent number: 10475583
    Abstract: A dielectric composite including a plurality of crystal grains including a semiconductor or conductive material, and a grain boundary insulation layer between the crystal grains, wherein the grain boundary insulation layer includes a two-dimensional layered material covering at least a portion of a surface of at least one of the crystal grains, and a multi-layered capacitor and an electronic device including the same.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan Kwak, Hyun Sik Kim, Jong Wook Roh, Kyoung-Seok Moon, Hyeon Cheol Park, Yoon Chul Son, Daejin Yang, Doh Won Jung, Youngjin Cho
  • Patent number: 10438715
    Abstract: Example embodiments relate to a nanostructure including a conductive region and a nonconductive region, wherein the conductive region includes at least one first nanowire, and the nonconductive region includes at least one second nanowire that is at least partially sectioned, a method of preparing the nanostructure, and a panel unit including the nanostructure.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eunhyoung Cho, Inyong Song, Changseung Lee, Chan Kwak, Jaekwan Kim, Jooho Lee, Jinyoung Hwang
  • Publication number: 20190304685
    Abstract: Disclosed are a dielectric material, a multi-layered capacitor, and an electronic device including the same. The dielectric material includes a dielectric material particle represented by ADO3, wherein A includes Sr, Ba, Ca, Pb, K, Na, or a combination thereof, D includes Ti, Zr, Mg, Nb, Ta, or a combination thereof, the dielectric material particle includes about 2.5 moles to about 4 moles of the donor element, based on 100 moles of D, and a diameter of the dielectric material particle is in a range of from about 100 nanometers to about 300 nanometers.
    Type: Application
    Filed: July 12, 2018
    Publication date: October 3, 2019
    Inventors: Hyun Sik KIM, Yoon Chul SON, Kyoung-Seok MOON, Daejin YANG, Chan KWAK
  • Publication number: 20190279817
    Abstract: A ceramic dielectric including: a bulk dielectric including barium (Ba) and titanium (Ti); a ceramic nanosheet; and a composite dielectric of the bulk dielectric and the ceramic nanosheet.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 12, 2019
    Inventors: Hyeon Cheol PARK, Chan KWAK, Kyoung-Seok MOON, Daejin YANG, Tae Won JEONG