Patents by Inventor Young-man Jang

Young-man Jang 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: 11706998
    Abstract: In one embodiment, the magnetic memory device includes a free layer structure having a variable magnetization direction. The free layer structure includes a first free layer, the first free layer being a first Heusler alloy; a coupling layer on the first free layer, the coupling layer including a metal oxide layer; and a second free layer on the metal oxide layer, the second free layer being a second Heusler alloy, the second Heusler alloy being different from the first Heusler alloy.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: July 18, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Seok Kim, Young Man Jang, Ung Hwan Pi
  • Patent number: 11293091
    Abstract: A substrate processing apparatus including a chamber accommodating a substrate; a substrate support in the chamber, the substrate support supporting the substrate; a gas injector to inject an oxidizing gas for oxidizing a metal layer to be disposed on the substrate; a cooler under the substrate to cool the substrate; a target mount disposed on the substrate, the target mount including a target for performing a sputtering process; and a blocker between the target and the gas injector, the blocker shielding the target from the oxidizing gas injected from the gas injector.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: April 5, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon-Myoung Lee, Yong-Sung Park, Whan-Kyun Kim, Se-Chung Oh, Young-Man Jang
  • Publication number: 20210305497
    Abstract: In one embodiment, the magnetic memory device includes a free layer structure having a variable magnetization direction. The free layer structure includes a first free layer, the first free layer being a first Heusler alloy; a coupling layer on the first free layer, the coupling layer including a metal oxide layer; and a second free layer on the metal oxide layer, the second free layer being a second Heusler alloy, the second Heusler alloy being different from the first Heusler alloy.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 30, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Seok KIM, Young Man JANG, Ung Hwan PI
  • Patent number: 11088319
    Abstract: In one embodiment, the magnetic memory device includes a free layer structure having a variable magnetization direction. The free layer structure includes a first free layer, the first free layer being a first Heusler alloy; a coupling layer on the first free layer, the coupling layer including a metal oxide layer; and a second free layer on the metal oxide layer, the second free layer being a second Heusler alloy, the second Heusler alloy being different from the first Heusler alloy.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: August 10, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang Seok Kim, Young Man Jang, Ung Hwan Pi
  • Publication number: 20200255934
    Abstract: A substrate processing apparatus including a chamber accommodating a substrate; a substrate support in the chamber, the substrate support supporting the substrate; a gas injector to inject an oxidizing gas for oxidizing a metal layer to be disposed on the substrate; a cooler under the substrate to cool the substrate; a target mount disposed on the substrate, the target mount including a target for performing a sputtering process; and a blocker between the target and the gas injector, the blocker shielding the target from the oxidizing gas injected from the gas injector.
    Type: Application
    Filed: April 30, 2020
    Publication date: August 13, 2020
    Inventors: Joon-Myoung LEE, Yong-Sung PARK, Whan-Kyun KIM, Se-Chung OH, Young-Man JANG
  • Publication number: 20200251650
    Abstract: In one embodiment, the magnetic memory device includes a free layer structure having a variable magnetization direction. The free layer structure includes a first free layer, the first free layer being a first Heusler alloy; a coupling layer on the first free layer, the coupling layer including a metal oxide layer; and a second free layer on the metal oxide layer, the second free layer being a second Heusler alloy, the second Heusler alloy being different from the first Heusler alloy.
    Type: Application
    Filed: November 15, 2019
    Publication date: August 6, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Seok KIM, Young Man Jang, Ung Hwan PI
  • Patent number: 10640865
    Abstract: A substrate processing apparatus including a chamber accommodating a substrate; a substrate support in the chamber, the substrate support supporting the substrate; a gas injector to inject an oxidizing gas for oxidizing a metal layer to be disposed on the substrate; a cooler under the substrate to cool the substrate; a target mount disposed on the substrate, the target mount including a target for performing a sputtering process; and a blocker between the target and the gas injector, the blocker shielding the target from the oxidizing gas injected from the gas injector.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: May 5, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Joon-Myoung Lee, Yong-Sung Park, Whan-Kyun Kim, Se-Chung Oh, Young-Man Jang
  • Publication number: 20190097124
    Abstract: An MRAM device includes a lower electrode, a blocking pattern on the lower electrode and including a binary metal boride in an amorphous state, a seed pattern on the blocking pattern and including a metal, an MTJ structure on the seed pattern, and an upper electrode on the MTJ structure.
    Type: Application
    Filed: August 10, 2018
    Publication date: March 28, 2019
    Inventors: Joon-Myoung LEE, Ju-Hyun KIM, Jung-Hwan PARK, Se-Chung OH, Young-Man JANG
  • Patent number: 10128433
    Abstract: Provided is a magnetic memory device. The magnetic memory device includes a first magnetization layer, a tunnel barrier disposed on the first magnetization layer, a second magnetization layer disposed on the tunnel barrier, and a spin current assisting layer disposed on at least a portion of a sidewall of the second magnetization layer.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: November 13, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ung-hwan Pi, Kwang-seok Kim, Kee-won Kim, Sung-chul Lee, Young-man Jang
  • Patent number: 10096650
    Abstract: A magnetoresistive random access memory device includes a free layer, a tunnel barrier layer, an insulation barrier layer, a pinned layer, and a vertical polarizer structure. The tunnel barrier layer and the insulation barrier layer directly contacts different surfaces of the free layer. The pinned layer structure contacts the tunnel barrier layer and includes at least one pinned layer. The vertical polarizer structure contacts the insulation barrier layer and includes a plurality of magnetization multi-layered structures sequentially stacked. Each magnetization multi-layered structure includes a non-magnetic layer and a magnetic layer sequentially stacked. The pinned layer and the magnetic layer have magnetization directions anti-parallel to each other.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: October 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang-Seok Kim, Kee-Won Kim, Whan-Kyun Kim, Sang-Hwan Park, Young-Man Jang
  • Publication number: 20180083067
    Abstract: A magnetoresistive random access memory device includes a free layer, a tunnel barrier layer, an insulation barrier layer, a pinned layer, and a vertical polarizer structure. The tunnel barrier layer and the insulation barrier layer directly contacts different surfaces of the free layer. The pinned layer structure contacts the tunnel barrier layer and includes at least one pinned layer. The vertical polarizer structure contacts the insulation barrier layer and includes a plurality of magnetization multi-layered structures sequentially stacked. Each magnetization multi-layered structure includes a non-magnetic layer and a magnetic layer sequentially stacked. The pinned layer and the magnetic layer have magnetization directions anti-parallel to each other.
    Type: Application
    Filed: November 28, 2017
    Publication date: March 22, 2018
    Inventors: Kwang-Seok KIM, Kee-Won KIM, Whan-Kyun KIM, Sang-Hwan PARK, Young-Man JANG
  • Publication number: 20180073131
    Abstract: A substrate processing apparatus including a chamber accommodating a substrate; a substrate support in the chamber, the substrate support supporting the substrate; a gas injector to inject an oxidizing gas for oxidizing a metal layer to be disposed on the substrate; a cooler under the substrate to cool the substrate; a target mount disposed on the substrate, the target mount including a target for performing a sputtering process; and a blocker between the target and the gas injector, the blocker shielding the target from the oxidizing gas injected from the gas injector.
    Type: Application
    Filed: June 22, 2017
    Publication date: March 15, 2018
    Inventors: Joon-Myoung LEE, Yong-Sung PARK, Whan-Kyun KIM, Se-Chung OH, Young-Man JANG
  • Patent number: 9837468
    Abstract: A magnetoresistive random access memory device includes a free layer, a tunnel barrier layer, an insulation barrier layer, a pinned layer, and a vertical polarizer structure. The tunnel barrier layer and the insulation barrier layer directly contacts different surfaces of the free layer. The pinned layer structure contacts the tunnel barrier layer and includes at least one pinned layer. The vertical polarizer structure contacts the insulation barrier layer and includes a plurality of magnetization multi-layered structures sequentially stacked. Each magnetization multi-layered structure includes a non-magnetic layer and a magnetic layer sequentially stacked. The pinned layer and the magnetic layer have magnetization directions anti-parallel to each other.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: December 5, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwang-Seok Kim, Kee-Won Kim, Whan-Kyun Kim, Sang-Hwan Park, Young-Man Jang
  • Publication number: 20170110508
    Abstract: A magnetoresistive random access memory device includes a free layer, a tunnel barrier layer, an insulation barrier layer, a pinned layer, and a vertical polarizer structure. The tunnel barrier layer and the insulation barrier layer directly contacts different surfaces of the free layer. The pinned layer structure contacts the tunnel barrier layer and includes at least one pinned layer. The vertical polarizer structure contacts the insulation barrier layer and includes a plurality of magnetization multi-layered structures sequentially stacked. Each magnetization multi-layered structure includes a non-magnetic layer and a magnetic layer sequentially stacked. The pinned layer and the magnetic layer have magnetization directions anti-parallel to each other.
    Type: Application
    Filed: July 6, 2016
    Publication date: April 20, 2017
    Inventors: Kwang-Seok KIM, Kee-Won KIM, Whan-Kyun KIM, Sang-Hwan PARK, Young-Man JANG
  • Patent number: 9570675
    Abstract: Magnetoresistive structures, magnetic random-access memory devices including the same, and methods of manufacturing the magnetoresistive structure, include a first magnetic layer having a magnetization direction that is fixed, a second magnetic layer corresponding to the first magnetic layer, wherein a magnetization direction of the second magnetic layer is changeable, and a magnetoresistance (MR) enhancing layer and an intermediate layer both between the first magnetic layer and the second magnetic layer.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kee-won Kim, Kwang-seok Kim, Sung-chul Lee, Young-man Jang, Ung-hwan Pi
  • Publication number: 20170040529
    Abstract: Provided is a magnetic memory device. The magnetic memory device includes a first magnetization layer, a tunnel barrier disposed on the first magnetization layer, a second magnetization layer disposed on the tunnel barrier, and a spin current assisting layer disposed on at least a portion of a sidewall of the second magnetization layer.
    Type: Application
    Filed: October 24, 2016
    Publication date: February 9, 2017
    Inventors: Ung-hwan PI, Kwang-seok KIM, Kee-won KIM, Sung-chul LEE, Young-man JANG
  • Patent number: 9530478
    Abstract: A memory device using a spin hall effect, and methods of manufacturing and operating the memory device, include applying a first operational current to a bit line of the memory device such that a spin current is applied to a magnetic tunnel junction (MTJ) cell coupled to the bit line due to a material in the bit line, wherein the bit line is electrically connected to a word line via the MTJ cell, and the word line intersects the bit line.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ung-hwan Pi, Kwang-seok Kim, Kee-won Kim, Sung-chul Lee, Young-man Jang
  • Patent number: 9508925
    Abstract: Provided is a magnetic memory device. The magnetic memory device includes a first magnetization layer, a tunnel barrier disposed on the first magnetization layer, a second magnetization layer disposed on the tunnel barrier, and a spin current assisting layer disposed on at least a portion of a sidewall of the second magnetization layer.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: November 29, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ung-hwan Pi, Kwang-seok Kim, Kee-won Kim, Sung-chul Lee, Young-man Jang
  • Patent number: 9437654
    Abstract: Magnetic memory devices may include a substrate, a circuit device on the substrate, a plurality of lower electrodes electrically connected to the circuit device, a magnetic tunnel junction (MTJ) structure commonly provided on the plurality of the lower electrodes, and a plurality of upper electrodes on the MTJ structure. The MTJ structure may include a plurality of magnetic material patterns and a plurality of insulation material patterns separating the magnetic material patterns from each other.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: September 6, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Chul Lee, Kwang-Seok Kim, Kee-Won Kim, Young-Man Jang, Ung-Hwan Pi
  • Publication number: 20160093669
    Abstract: Magnetic memory devices may include a substrate, a circuit device on the substrate, a plurality of lower electrodes electrically connected to the circuit device, a magnetic tunnel junction (MTJ) structure commonly provided on the plurality of the lower electrodes, and a plurality of upper electrodes on the MTJ structure. The MTJ structure may include a plurality of magnetic material patterns and a plurality of insulation material patterns separating the magnetic material patterns from each other.
    Type: Application
    Filed: May 19, 2015
    Publication date: March 31, 2016
    Inventors: Sung-Chul LEE, Kwang-Seok KIM, Kee-Won KIM, Young-Man JANG, Ung-Hwan PI