Patents by Inventor Jin-Shi Zhao

Jin-Shi Zhao 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: 9159914
    Abstract: A nonvolatile memory device includes a bottom electrode on a semiconductor substrate, a data storage layer on the bottom electrode, the data storage layer including a transition metal oxide, and a switching layer provided on a top surface and/or a bottom surface of the data storage layer, wherein a bond energy of material included in the switching layer and oxygen is more than a bond energy of a transition metal in the transition metal oxide and oxygen.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: October 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Kyung Yim, In-Gyu Baek, Jang-Eun Lee, Se-Chung Oh, Kyung-Tae Nam, Jin-Shi Zhao
  • Publication number: 20140124727
    Abstract: A nonvolatile memory device includes a bottom electrode on a semiconductor substrate, a data storage layer on the bottom electrode, the data storage layer including a transition metal oxide, and a switching layer provided on a top surface and/or a bottom surface of the data storage layer, wherein a bond energy of material included in the switching layer and oxygen is more than a bond energy of a transition metal in the transition metal oxide and oxygen.
    Type: Application
    Filed: December 20, 2013
    Publication date: May 8, 2014
    Inventors: Eun-Kyung Yim, In-Gyu Baek, Jang-Eun Lee, Se-Chung Oh, Kyung-Tae Nam, Jin-Shi Zhao
  • Patent number: 8698281
    Abstract: A nonvolatile memory device, a method of fabricating the nonvolatile memory device and a processing system including the nonvolatile memory device. The nonvolatile memory device may include a plurality of internal electrodes that extend in a direction substantially perpendicular to a face of a substrate, a plurality of first external electrodes that extend substantially in parallel with the face of the substrate, and a plurality of second external electrodes that also extend substantially in parallel with the face of the substrate. Each first external electrode is on a first side of a respective one of the internal electrodes, and each second external electrode is on a second side of a respective one of the internal electrodes. These devices also include a plurality of variable resistors that contact the internal electrodes, the first external electrodes and the second external electrodes.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: April 15, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao, Eun-Kyung Yim
  • Patent number: 8614125
    Abstract: A nonvolatile memory device includes a bottom electrode on a semiconductor substrate, a data storage layer on the bottom electrode, the data storage layer including a transition metal oxide, and a switching layer provided on a top surface and/or a bottom surface of the data storage layer, wherein a bond energy of material included in the switching layer and oxygen is more than a bond energy of a transition metal in the transition metal oxide and oxygen.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: December 24, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-Kyung Yim, In-Gyu Baek, Jang-Eun Lee, Se-Chung Oh, Kyung-Tae Nam, Jin-Shi Zhao
  • Patent number: 8451645
    Abstract: A variable resistance memory device includes a variable resistance memory cell, and a by-pass circuit configured to electrically by-pass a programming pulse supplied to the variable resistance memory cell after a resistive state of the variable resistance memory cell has changed in response to the programming pulse.
    Type: Grant
    Filed: August 6, 2010
    Date of Patent: May 28, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Sik Yoon, Min-Young Park, In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao
  • Patent number: 8358527
    Abstract: Multi-level nonvolatile memory devices using variable resistive elements, the multi-level nonvolatile memory devices including a word line, a bit line, and a multi-level memory cell coupled between the word line and the bit line, the multi-level memory cell having first resistance level and a second resistance level higher than the first resistance level when the first and second write biases having the same polarity are applied thereto, and a third resistance level and a fourth resistance level ranging between the first and second resistance levels, when third and fourth write biases having different polarities from each other are applied thereto.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: January 22, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Hong-Sik Yoon, Jin-Shi Zhao, Min-Young Park
  • Patent number: 8338224
    Abstract: Provided is a resistance random access memory device and a method of fabricating, the same. The method includes forming a bit-line stack in which a plurality of local bit-lines are vertically stacked on a substrate, forming a word-line including a plurality of local word-lines that extend in a vertical direction toward a side of the bit-line stack and a connection line that extends in a horizontal direction to connect the plurality of local word-lines with one another, and forming a resistance memory thin film between the bit-line stack and the word-line. The present inventive concept can realize a highly dense memory array with 3D cross-point architecture by simplified processes.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: December 25, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: HongSik Yoon, Ingyu Baek, Hyunjun Sim, Jin-Shi Zhao, Minyoung Park
  • Patent number: 8314003
    Abstract: A nonvolatile memory device, a method of fabricating the nonvolatile memory device and a processing system including the nonvolatile memory device. The nonvolatile memory device may include a plurality of internal electrodes that extend in a direction substantially perpendicular to a face of a substrate, a plurality of first external electrodes that extend substantially in parallel with the face of the substrate, and a plurality of second external electrodes that also extend substantially in parallel with the face of the substrate. Each first external electrode is on a first side of a respective one of the internal electrodes, and each second external electrode is on a second side of a respective one of the internal electrodes. These devices also include a plurality of variable resistors that contact the internal electrodes, the first external electrodes and the second external electrodes.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: November 20, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao, Eun-Kyung Yim
  • Publication number: 20110204315
    Abstract: A nonvolatile memory device, a method of fabricating the nonvolatile memory device and a processing system including the nonvolatile memory device. The nonvolatile memory device may include a plurality of internal electrodes that extend in a direction substantially perpendicular to a face of a substrate, a plurality of first external electrodes that extend substantially in parallel with the face of the substrate, and a plurality of second external electrodes that also extend substantially in parallel with the face of the substrate. Each first external electrode is on a first side of a respective one of the internal electrodes, and each second external electrode is on a second side of a respective one of the internal electrodes. These devices also include a plurality of variable resistors that contact the internal electrodes, the first external electrodes and the second external electrodes.
    Type: Application
    Filed: May 5, 2011
    Publication date: August 25, 2011
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao, Eun-Kyung Yim
  • Patent number: 7952163
    Abstract: A nonvolatile memory device, a method of fabricating the nonvolatile memory device and a processing system including the nonvolatile memory device. The nonvolatile memory device may include a plurality of internal electrodes that extend in a direction substantially perpendicular to a face of a substrate, a plurality of first external electrodes that extend substantially in parallel with the face of the substrate, and a plurality of second external electrodes that also extend substantially in parallel with the face of the substrate. Each first external electrode is on a first side of a respective one of the internal electrodes, and each second external electrode is on a second side of a respective one of the internal electrodes. These devices also include a plurality of variable resistors that contact the internal electrodes, the first external electrodes and the second external electrodes.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: May 31, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao, Eun-Kyung Yim
  • Publication number: 20110032747
    Abstract: A variable resistance memory device includes a variable resistance memory cell, and a by-pass circuit configured to electrically by-pass a programming pulse supplied to the variable resistance memory cell after a resistive state of the variable resistance memory cell has changed in response to the programming pulse.
    Type: Application
    Filed: August 6, 2010
    Publication date: February 10, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hong-Sik Yoon, Min-Young Park, In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao
  • Patent number: 7838863
    Abstract: Provided is a semiconductor device including a resistive memory element. The semiconductor device includes a substrate and the resistive memory element disposed on the substrate. The resistive memory element has resistance states of a plurality of levels according to generation and dissipation of at least one platinum bridge therein.
    Type: Grant
    Filed: February 19, 2009
    Date of Patent: November 23, 2010
    Assignee: Samsung Electronics Co. Ltd.
    Inventors: Jin-Shi Zhao, Jang-Eun Lee, In-Gyu Baek, Hyun-Jun Sim, Xiang-Shu Li, Eun-Kyung Yim
  • Publication number: 20100208508
    Abstract: Multi-level nonvolatile memory devices using variable resistive elements, the multi-level nonvolatile memory devices including a word line, a bit line, and a multi-level memory cell coupled between the word line and the bit line, the multi-level memory cell having first resistance level and a second resistance level higher than the first resistance level when the first and second write biases having the same polarity are applied thereto, and a third resistance level and a fourth resistance level ranging between the first and second resistance levels, when third and fourth write biases having different polarities from each other are applied thereto.
    Type: Application
    Filed: February 16, 2010
    Publication date: August 19, 2010
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Hong-Sik Yoon, Jin-Shi Zhao, Min-Young Park
  • Publication number: 20100178729
    Abstract: Provided is a resistance random access memory device and a method of fabricating, the same. The method includes forming a bit-line stack in which a plurality of local bit-lines are vertically stacked on a substrate, forming a word-line including a plurality of local word-lines that extend in a vertical direction toward a side of the bit-line stack and a connection line that extends in a horizontal direction to connect the plurality of local word-lines with one another, and forming a resistance memory thin film between the bit-line stack and the word-line. The present inventive concept can realize a highly dense memory array with 3D cross-point architecture by simplified processes.
    Type: Application
    Filed: November 18, 2009
    Publication date: July 15, 2010
    Inventors: HongSik Yoon, Ingyu Baek, Hyunjun Sim, Jin-Shi Zhao, Minyoung Park
  • Publication number: 20090275169
    Abstract: A semiconductor device which includes a reaction prevention layer between a resistive memory element and an insulating layer and a method of forming the same.
    Type: Application
    Filed: April 6, 2009
    Publication date: November 5, 2009
    Inventors: Hyun-Jun Sim, Sok-Hun Choi, In-Gyu Baek, Jin-Shi Zhao, Eun-Kyung Yim
  • Publication number: 20090230512
    Abstract: A nonvolatile memory device, a method of fabricating the nonvolatile memory device and a processing system including the nonvolatile memory device. The nonvolatile memory device may include a plurality of internal electrodes that extend in a direction substantially perpendicular to a face of a substrate, a plurality of first external electrodes that extend substantially in parallel with the face of the substrate, and a plurality of second external electrodes that also extend substantially in parallel with the face of the substrate. Each first external electrode is on a first side of a respective one of the internal electrodes, and each second external electrode is on a second side of a respective one of the internal electrodes. These devices also include a plurality of variable resistors that contact the internal electrodes, the first external electrodes and the second external electrodes.
    Type: Application
    Filed: January 14, 2009
    Publication date: September 17, 2009
    Inventors: In-Gyu Baek, Hyun-Jun Sim, Jin-Shi Zhao, Eun-Kyung Yim
  • Publication number: 20090212273
    Abstract: Provided is a semiconductor device including a resistive memory element. The semiconductor device includes a substrate and the resistive memory element disposed on the substrate. The resistive memory element has resistance states of a plurality of levels according to generation and dissipation of at least one platinum bridge therein.
    Type: Application
    Filed: February 19, 2009
    Publication date: August 27, 2009
    Inventors: Jin-Shi Zhao, Jang-Eun Lee, In-Gyu Baek, Hyun-Jun Sim, Xiang-Shu Li, Eun-Kyung Yim
  • Publication number: 20080211036
    Abstract: A nonvolatile memory device includes a semiconductor substrate, a first electrode on the semiconductor substrate, a resistive layer on the first electrode, a second electrode on the resistive layer and at least one tunneling layer interposed between the resistive layer and the first electrode and/or the second electrode. The resistive layer and the tunneling layer may support transition between first and second resistance states responsive to first and second voltages applied across the first and second electrodes. The first and second voltages may have opposite polarities.
    Type: Application
    Filed: February 26, 2008
    Publication date: September 4, 2008
    Inventors: Jin Shi Zhao, Jang-eun Lee, In-gyu Baek, Se-chung Oh, Kyung-tae Nam, Eun-kyung Yim
  • Publication number: 20080197336
    Abstract: A nonvolatile memory device includes a bottom electrode on a semiconductor substrate, a data storage layer on the bottom electrode, the data storage layer including a transition metal oxide, and a switching layer provided on a top surface and/or a bottom surface of the data storage layer, wherein a bond energy of material included in the switching layer and oxygen is more than a bond energy of a transition metal in the transition metal oxide and oxygen.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 21, 2008
    Applicant: Samsung Electronics Co., LTD.
    Inventors: Eun-Kyung Yim, In-Gyu Baek, Jang-Eun Lee, Se-Chung Oh, Kyung-Tae Nam, Jin-Shi Zhao