Patents by Inventor Jae Yun Yi

Jae Yun Yi 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: 9425238
    Abstract: A semiconductor device includes a memory block including a transistor region and a memory region. A variable resistance layer of the memory region acts as a gate insulating layer in the transistor region.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: August 23, 2016
    Assignee: SK Hynix Inc.
    Inventor: Jae-Yun Yi
  • Patent number: 9412444
    Abstract: An electronic device including a semiconductor memory. The semiconductor memory includes a bit line; a source line; a plurality of resistive memory cells among which a selected memory cell forms a current path between the bit line and the source line; a read current supply unit configured to supply read current to the bit line in a read operation; a sense amplifier configured to generate read data in response to a voltage level of the bit line in the read operation; and a variable switch element configured to flow current from the source line to a ground terminal in the read operation, and be decreased in its resistance value as a voltage level of the source line is high.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: August 9, 2016
    Assignee: SK hynix Inc.
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Publication number: 20160225984
    Abstract: An electronic device includes a semiconductor device that includes: a substrate including a switching element having a buried gate electrode; a buried decoupling capacitor having a line width same as a line width of the buried gate electrode; and a variable resistance element, electrically coupled to the switching element, formed over the substrate.
    Type: Application
    Filed: March 18, 2016
    Publication date: August 4, 2016
    Inventors: Joon-Seop Sim, Seok-Pyo Song, Jae-Yun Yi
  • Patent number: 9406380
    Abstract: Provided is an electronic device including a semiconductor memory unit. The semiconductor memory unit may include: a storage cell comprising a variable resistance element; a first selecting element coupled to one end of the storage cell and having a threshold voltage set to a first voltage; and a second selecting element coupled to the other end of the storage cell and having a threshold voltage set to a second voltage higher than the first voltage.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: August 2, 2016
    Assignee: SK hynix Inc.
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Patent number: 9293507
    Abstract: An electronic device includes a semiconductor device that includes: a substrate including a switching element having a buried gate electrode; a buried decoupling capacitor having a line width same as a line width of the buried gate electrode; and a variable resistance element, electrically coupled to the switching element, formed over the substrate.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: March 22, 2016
    Assignee: SK hynix Inc.
    Inventors: Joon-Seop Sim, Seok-Pyo Song, Jae-Yun Yi
  • Publication number: 20160043138
    Abstract: A semiconductor device includes a memory block including a transistor region and a memory region. A variable resistance layer of the memory region acts as a gate insulating layer in the transistor region.
    Type: Application
    Filed: October 13, 2015
    Publication date: February 11, 2016
    Inventor: Jae-Yun YI
  • Publication number: 20160019956
    Abstract: This patent document relates to memory circuits or devices and their applications in electronic devices or systems. The disclosed technology in this patent document includes memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device in which an electronic device capable of reducing an area, improving device characteristics due to a reduction in the resistance of a switching transistor, simplifying the process, and reducing a cost is provided. In accordance with the electronic device of this patent document, an area can be reduced, device characteristics can be improved due to a reduction in the resistance of the switching transistor, the process can be simplified, and a cost can be reduced.
    Type: Application
    Filed: September 28, 2015
    Publication date: January 21, 2016
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Publication number: 20150349074
    Abstract: Devices and methods based on disclosed technology include, among others, an electronic device capable of improving a signal transfer characteristic and a method for fabricating the same. Specifically, an electronic device in one implementation includes a plurality of buried gates formed in a substrate, open parts formed in the substrate on both sides of the buried gate, isolation layers each formed between a sidewall of the open part and a sidewall of the buried gate, source/drain regions formed in the substrate under the respective open parts, and contact plugs buried in the respective open parts.
    Type: Application
    Filed: August 7, 2015
    Publication date: December 3, 2015
    Inventors: Seok-Pyo Song, Jae-Yun Yi, Se-Dong Kim
  • Patent number: 9171889
    Abstract: Provided is an electronic device including a semiconductor memory which includes a cell array region having a first variable resistance element and a peripheral circuit region having a decoupling capacitor, the decoupling capacitor including a bottom electrode, a dielectric layer pattern, and a top electrode. The cell array region may include: a first gate; a first contact over the first gate; a second contact over an active region at one side of the first gate; and the first variable resistance element over the second contact, and the peripheral circuit region may include: a second gate formed of the same material at the same level as the first gate; the bottom electrode disposed over the second gate and formed at the same level as the first contact; and the dielectric layer pattern and the top electrode disposed over the bottom electrode.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: October 27, 2015
    Assignee: SK hynix Inc.
    Inventors: Jae-Yun Yi, Seok-Pyo Song, Joon-Seop Sim
  • Patent number: 9165930
    Abstract: A semiconductor device includes a memory block including a transistor region and a memory region. A variable resistance layer of the memory region acts as a gate insulating layer in the transistor region.
    Type: Grant
    Filed: December 30, 2010
    Date of Patent: October 20, 2015
    Assignee: Hynix Semiconductor Inc.
    Inventor: Jae-Yun Yi
  • Patent number: 9159919
    Abstract: A variable resistance memory device includes vertical electrodes vertically projecting from a substrate, first horizontal electrodes stacked along the vertical electrodes, second horizontal electrodes stacked along the vertical electrodes, and a variable resistance layer interposed between the vertical electrodes and the first and second horizontal electrodes, wherein the first and second horizontal electrodes are arranged in directions crossing with each other.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: October 13, 2015
    Assignee: SK Hynix Inc.
    Inventors: Sang-Keum Lee, Jae-Yun Yi, Dong-Hee Son
  • Patent number: 9147442
    Abstract: This patent document relates to memory circuits or devices and their applications in electronic devices or systems. The disclosed technology in this patent document includes memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device in which an electronic device capable of reducing an area, improving device characteristics due to a reduction in the resistance of a switching transistor, simplifying the process, and reducing a cost is provided. In accordance with the electronic device of this patent document, an area can be reduced, device characteristics can be improved due to a reduction in the resistance of the switching transistor, the process can be simplified, and a cost can be reduced.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: September 29, 2015
    Assignee: SK hynix Inc.
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Publication number: 20150248932
    Abstract: Provided is an electronic device including a semiconductor memory unit. The semiconductor memory unit may include: a storage cell comprising a variable resistance element; a first selecting element coupled to one end of the storage cell and having a threshold voltage set to a first voltage; and a second selecting element coupled to the other end of the storage cell and having a threshold voltage set to a second voltage higher than the first voltage.
    Type: Application
    Filed: July 28, 2014
    Publication date: September 3, 2015
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Patent number: 9105574
    Abstract: Devices and methods based on disclosed technology include, among others, an electronic device capable of improving a signal transfer characteristic and a method for fabricating the same. Specifically, an electronic device in one implementation includes a plurality of buried gates formed in a substrate, open parts formed in the substrate on both sides of the buried gate, isolation layers each formed between a sidewall of the open part and a sidewall of the buried gate, source/drain regions formed in the substrate under the respective open parts, and contact plugs buried in the respective open parts.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: August 11, 2015
    Assignee: SK hynix Inc.
    Inventors: Seok-Pyo Song, Jae-Yun Yi, Se-Dong Kim
  • Publication number: 20150092472
    Abstract: Provided is an electronic device including a semiconductor memory which includes a cell array region having a first variable resistance element and a peripheral circuit region having a decoupling capacitor, the decoupling capacitor including a bottom electrode, a dielectric layer pattern, and a top electrode. The cell array region may include: a first gate; a first contact over the first gate; a second contact over an active region at one side of the first gate; and the first variable resistance element over the second contact, and the peripheral circuit region may include: a second gate formed of the same material at the same level as the first gate; the bottom electrode disposed over the second gate and formed at the same level as the first contact; and the dielectric layer pattern and the top electrode disposed over the bottom electrode.
    Type: Application
    Filed: May 9, 2014
    Publication date: April 2, 2015
    Applicant: SK HYNIX INC.
    Inventors: Jae-Yun Yi, Seok-Pyo Song, Joon-Seop Sim
  • Publication number: 20150055397
    Abstract: An electronic device including a semiconductor memory. The semiconductor memory includes a bit line; a source line; a plurality of resistive memory cells among which a selected memory cell forms a current path between the bit line and the source line; a read current supply unit configured to supply read current to the bit line in a read operation; a sense amplifier configured to generate read data in response to a voltage level of the bit line in the read operation; and a variable switch element configured to flow current from the source line to a ground terminal in the read operation, and be decreased in its resistance value as a voltage level of the source line is high.
    Type: Application
    Filed: May 13, 2014
    Publication date: February 26, 2015
    Applicant: SK hynix Inc.
    Inventors: Jae-Yun Yi, Sung-Woong Chung, Seok-Pyo Song
  • Publication number: 20150049537
    Abstract: An electronic device includes a semiconductor device that includes: a substrate including a switching element having a buried gate electrode; a buried decoupling capacitor having a line width same as a line width of the buried gate electrode; and a variable resistance element, electrically coupled to the switching element, formed over the substrate.
    Type: Application
    Filed: July 2, 2014
    Publication date: February 19, 2015
    Inventors: Joon-Seop Sim, Seok-Pyo Song, Jae-Yun Yi
  • Patent number: 8933427
    Abstract: A variable resistance memory device includes active regions defined by an isolation layer in a semiconductor substrate, trenches in the semiconductor substrate, which extend in a direction crossing the active regions, junction regions formed in the active regions on both sides of the trenches, and variable resistance patterns interposed between the word lines and the junction regions.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: January 13, 2015
    Assignee: SK Hynix Inc.
    Inventors: Jae-Yun Yi, Seok-Pyo Song, Seung-Hwan Lee
  • Patent number: 8867257
    Abstract: A variable resistance memory device includes: first and second structures that each include a first electrode, a second electrode, and a variable resistance material layer interposed between the first and second electrodes and configured to switch between different resistance states depending on a voltage applied across the variable resistance material layer; and a material layer interposed between the first and second structures and configured to pass a bidirectional current according to a voltage applied across the material layer. The first and second structures are symmetrical with respect to the material layer.
    Type: Grant
    Filed: August 28, 2012
    Date of Patent: October 21, 2014
    Assignee: SK Hynix Inc.
    Inventor: Jae-Yun Yi
  • Publication number: 20140293684
    Abstract: A nonvolatile memory apparatus includes: a memory cell coupled to a bit line and a source line; a word line configured to select the memory cell; and a local switch block configured to apply a write voltage, a read voltage, and a source line voltage to the bit line and the source line in response to a local switch select signal. In a write or read operation of the nonvolatile memory apparatus, the word line has a first voltage level, and the local switch select signal has a second voltage level higher than the first voltage level.
    Type: Application
    Filed: August 28, 2013
    Publication date: October 2, 2014
    Applicant: SK Hynix Inc.
    Inventors: Jae Yun YI, Seok Pyo SONG