Patents by Inventor Jin Ok HAN

Jin Ok HAN 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: 20240130243
    Abstract: Embodiments of present invention provide a magnetic tunnel junction (MTJ) structure. The MTJ structure includes a MTJ stack, the MTJ stack including a tunnel barrier layer on a reference layer and a free layer on the tunnel barrier layer, wherein the free layer includes multiple sub free layers, the multiple sub free layers being multiple ferromagnetic strips placed parallel to each other on the tunnel barrier layer, the multiple ferromagnetic strips having respective first ends connected to a first electrode and respective second ends connected to a second electrode. A method of forming the MTJ structure is also provided.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 18, 2024
    Inventors: Timothy Mathew Philip, Ching-Tzu Chen, Kevin W. Brew, JIN PING HAN, Injo Ok
  • Publication number: 20240114807
    Abstract: An integrated circuit includes a field effect transistor (FET) and a phase change memory (PCM) cell. The PCM cell includes a heater, wherein a bottom surface of the heater is at or below a top surface of the FET.
    Type: Application
    Filed: September 30, 2022
    Publication date: April 4, 2024
    Inventors: Victor W.C. Chan, JIN PING HAN, Samuel Sung Shik Choi, Injo Ok
  • Publication number: 20240081159
    Abstract: A structure including alternating layers of phase change material layers and dielectric encapsulated heater element layers, the alternating layers of phase change material layers and the dielectric encapsulated heater element layers are sandwiched between a first electrode and a second electrode. A structure including horizontally aligned alternating layers of phase change material layers and dielectric encapsulated heater element layers, the alternating layers of phase change material layers and the dielectric encapsulated heater element layers are sandwiched between a first electrode and a second electrode. A method including forming alternating layers of phase change material layers and dielectric encapsulated heater element layers, the alternating layers of phase change material layers and the dielectric encapsulated heater element layers are sandwiched between a first electrode and a second electrode.
    Type: Application
    Filed: September 2, 2022
    Publication date: March 7, 2024
    Inventors: Ching-Tzu Chen, Kevin W. Brew, JIN PING HAN, Timothy Mathew Philip, Injo Ok
  • Publication number: 20240074336
    Abstract: A memory device and method of forming a projection liner under a mushroom phase change memory device with sidewall electrode process scheme to provide self-aligned patterning of resistive projection liner during sidewall electrode formation.
    Type: Application
    Filed: August 24, 2022
    Publication date: February 29, 2024
    Inventors: Injo Ok, Timothy Mathew Philip, Jin Ping Han, Ching-Tzu Chen, Kevin W. Brew, Lili Cheng
  • Patent number: 10553364
    Abstract: A multilayer capacitor includes a capacitor body including dielectric layers, first and second internal electrodes alternately disposed, with one of the dielectric layers interposed therebetween, and first and second groove parts formed in first and second surfaces of the capacitor body opposing each other to extend in a first direction in which the dielectric layers are stacked, and contacting the first and second internal electrodes, respectively; and first and second via electrodes formed in the first and second groove parts, respectively, and electrically connected to the first and second internal electrodes, respectively.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Ok Han, Jin Kyung Joo, Jin Ju Park, Jae Yeol Choi, Hong Seok Kim
  • Patent number: 9905349
    Abstract: There is provided a chip electronic component including: a magnetic body having an internal coil part embedded therein, wherein the magnetic body includes: a central portion provided inside of the internal coil part and including a core; and an outer peripheral portion provided outside of the central portion, the central portion and the outer peripheral portion having different magnetic permeabilities.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: February 27, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Moon Soo Park, Jong Ho Lee, Dong Hwan Lee, Jin Ok Han, Tae Young Kim
  • Publication number: 20180019064
    Abstract: A multilayer capacitor includes a capacitor body including dielectric layers, first and second internal electrodes alternately disposed, with one of the dielectric layers interposed therebetween, and first and second groove parts formed in first and second surfaces of the capacitor body opposing each other to extend in a first direction in which the dielectric layers are stacked, and contacting the first and second internal electrodes, respectively; and first and second via electrodes formed in the first and second groove parts, respectively, and electrically connected to the first and second internal electrodes, respectively.
    Type: Application
    Filed: May 15, 2017
    Publication date: January 18, 2018
    Inventors: Jin Ok HAN, Jin Kyung JOO, Jin Ju PARK, Jae Yeol CHOI, Hong Seok KIM
  • Patent number: 9496084
    Abstract: The manufacturing method of a chip electronic component may include: forming a coil pattern part on at least one surface of an insulating substrate; forming a thin polymer insulating film to follow a surface shape of the coil pattern part; forming a primer insulating layer on one surface of a magnetic sheet; disposing the magnetic sheet on which the primer insulating layer is formed on an upper portion and a lower portion of the insulating substrate on which the coil pattern part is formed and pressing the magnetic sheet to form a magnetic body in which an additional insulating film is formed on the coil pattern part; and forming an external electrode on at least one end surface of the magnetic body so as to be connected to the coil pattern part.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jin Ok Han, Tae Young Kim, Moon Soo Park
  • Publication number: 20160293316
    Abstract: A coil electronic component includes a magnetic body enclosing a coil part and a magnetic metal plate. The magnetic metal plate is arranged in a direction in which magnetic flux flows within the magnetic body.
    Type: Application
    Filed: February 8, 2016
    Publication date: October 6, 2016
    Inventors: Moon Soo PARK, Jin Ok HAN, Tae Young KIM, Dong Hwan LEE, Hye Yeon CHA, Jong Ho LEE
  • Publication number: 20160042859
    Abstract: There is provided a chip electronic component including: a magnetic body having an internal coil part embedded therein, wherein the magnetic body includes: a central portion provided inside of the internal coil part and including a core; and an outer peripheral portion provided outside of the central portion, the central portion and the outer peripheral portion having different magnetic permeabilities.
    Type: Application
    Filed: April 21, 2015
    Publication date: February 11, 2016
    Inventors: Moon Soo PARK, Jong Ho LEE, Dong Hwan LEE, Jin Ok HAN, Tae Young KIM
  • Publication number: 20150255206
    Abstract: The manufacturing method of a chip electronic component may include: forming a coil pattern part on at least one surface of an insulating substrate; forming a thin polymer insulating film to follow a surface shape of the coil pattern part; forming a primer insulating layer on one surface of a magnetic sheet; disposing the magnetic sheet on which the primer insulating layer is formed on an upper portion and a lower portion of the insulating substrate on which the coil pattern part is formed and pressing the magnetic sheet to form a magnetic body in which an additional insulating film is formed on the coil pattern part; and forming an external electrode on at least one end surface of the magnetic body so as to be connected to the coil pattern part.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 10, 2015
    Inventors: Jin Ok HAN, Tae Young KIM, Moon Soo PARK