Patents by Inventor Moon Sik SEO

Moon Sik SEO 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: 20240074198
    Abstract: A method of manufacturing a semiconductor device may include forming a stack with alternately stacked first material layers and second material layers, forming an opening passing through the stack, forming a memory layer in the opening, forming a slit passing through the stack and exposing the first material layers and the second material layers, and forming first barrier patterns, without removing the second material layers, by partially oxidizing the memory layer through the second material layers.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Applicant: SK hynix Inc.
    Inventors: Moon Sik SEO, Dae Hwan YUN
  • Patent number: 11875863
    Abstract: Provided herein may be a memory device and a method of operating the same. The memory device may include a plurality of memory cells, a peripheral circuit, and a control logic. The memory cells may be coupled to a plurality of word lines. The peripheral circuit may perform a memory operation on selected memory cells. The control logic may control the peripheral circuit, during the memory operation, to apply an operating voltage to a selected word line, among the plurality of word lines, coupled to the selected memory cells, a first pass voltage to target word lines adjacent to the selected word line among unselected word lines, based on whether the operating voltage is lower than or equal to a reference voltage, and a second pass voltage, having a lower level than the first pass voltage, to remaining unselected word lines, other than the target word lines.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: January 16, 2024
    Assignee: SK hynix Inc.
    Inventor: Moon Sik Seo
  • Patent number: 11849583
    Abstract: A method of manufacturing a semiconductor device may include forming a stack with alternately stacked first material layers and second material layers, forming an opening passing through the stack, forming a memory layer in the opening, forming a slit passing through the stack and exposing the first material layers and the second material layers, and forming first barrier patterns, without removing the second material layers, by partially oxidizing the memory layer through the second material layers.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: December 19, 2023
    Assignee: SK hynix Inc.
    Inventors: Moon Sik Seo, Dae Hwan Yun
  • Patent number: 11810623
    Abstract: Disclosed is an operating method of a controller for controlling an operation of a semiconductor memory device including a plurality of memory cells. In the operating method of the controller, program data to be stored in a selected page of the semiconductor memory device is generated, and the semiconductor memory device is controlled to program the program data in the selected page. Bit data at a predetermined position in the program data is data for allowing a threshold voltage of a corresponding memory cell to maintain an erase state.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: November 7, 2023
    Assignee: SK hynix Inc.
    Inventors: Un Sang Lee, Moon Sik Seo
  • Publication number: 20230307073
    Abstract: A memory system and a method of operating the memory system are provided. The memory system includes a plurality of semiconductor memory devices each of which includes a plurality of memory blocks. The memory system also includes a controller configured to control the plurality of semiconductor memory devices to perform a program operation, a read operation, and an operation of removing a hole in a space region on a target memory block of the plurality of memory blocks. The controller controls the plurality of semiconductor memory devices to perform the operation of removing the hole in the space region on the target memory block when an erase count of the target memory block of the plurality of memory blocks is greater than a set value.
    Type: Application
    Filed: August 18, 2022
    Publication date: September 28, 2023
    Applicant: SK hynix Inc.
    Inventors: Gil Bok CHOI, Moon Sik SEO, Dae Hwan YUN
  • Patent number: 11729981
    Abstract: The present technology provides a semiconductor device and a method of manufacturing the same. The semiconductor device includes a channel structure, insulating structures surrounding the channel structure and stacked to be spaced apart from each other, interlayer insulating films surrounding the insulating structures, respectively, and a gate electrode extending from between the interlayer insulating films to between the insulating structures and surrounding the channel structure. The insulating structures may include protrusion portions extending to cover edges of the interlayer insulating films facing the channel structure, and the gate electrode may extend between the protrusion portions which are adjacent to each other.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: August 15, 2023
    Assignee: SK hynix Inc.
    Inventors: Moon Sik Seo, Gil Bok Choi
  • Publication number: 20230133334
    Abstract: A method of manufacturing a three-dimensional semiconductor memory device includes forming a preliminary channel hole through a vertical stack structure including first layers and second layers that are alternately stacked, oxidizing an inner surface of the preliminary channel hole to form a sacrificial layer, removing the sacrificial layer to form a final channel hole, and forming a channel plug in the final channel hole.
    Type: Application
    Filed: April 12, 2022
    Publication date: May 4, 2023
    Applicant: SK hynix Inc.
    Inventor: Moon Sik SEO
  • Patent number: 11621044
    Abstract: A memory device includes a memory cell array having a plurality of memory strings and includes a voltage generating circuit configured to generate and apply a plurality of drain select line voltages, a plurality of source select line voltages, and a read voltage to the memory cell array during a read operation. The memory device also includes control logic configured to control the voltage generating circuit to generate a first drain select line voltage applied to a first unselected memory string among unselected memory strings among the plurality of memory strings and a second drain select line voltage applied to second unselected memory strings among the unselected memory strings during the read operation, wherein the second drain select line voltage is different from the first drain select line voltage.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: April 4, 2023
    Assignee: SK hynix Inc.
    Inventor: Moon Sik Seo
  • Publication number: 20230058213
    Abstract: A memory device, and methods of manufacturing and operating the memory device, include alternately stacked interlayer insulating layers and conductive layers, a vertical hole configured to pass through the alternately stacked conductive layers and interlayer insulating layers, first blocking layers formed along the interlayer insulating layers exposed through the vertical hole, and second blocking layers formed along the conductive layers exposed through the vertical hole, with each second blocking layer having a thickness greater than that of each of the first blocking layers. The memory device also includes charge trap layers formed on the same layer as the interlayer insulating layers, and surrounded by the first and second blocking layers, a tunnel insulating layer formed along inner walls of the second blocking layers and the charge trap layers, and a channel layer formed along an inner wall of the tunnel insulating layer.
    Type: Application
    Filed: January 11, 2022
    Publication date: February 23, 2023
    Applicant: SK hynix Inc.
    Inventor: Moon Sik SEO
  • Publication number: 20220375534
    Abstract: Provided herein may be a memory device and a method of operating the same. The memory device may include a plurality of memory cells, a peripheral circuit, and a control logic. The memory cells may be coupled to a plurality of word lines. The peripheral circuit may perform a memory operation on selected memory cells. The control logic may control the peripheral circuit, during the memory operation, to apply an operating voltage to a selected word line, among the plurality of word lines, coupled to the selected memory cells, a first pass voltage to target word lines adjacent to the selected word line among unselected word lines, based on whether the operating voltage is lower than or equal to a reference voltage, and a second pass voltage, having a lower level than the first pass voltage, to remaining unselected word lines, other than the target word lines.
    Type: Application
    Filed: November 2, 2021
    Publication date: November 24, 2022
    Applicant: SK hynix Inc.
    Inventor: Moon Sik SEO
  • Publication number: 20220262442
    Abstract: Disclosed is an operating method of a controller for controlling an operation of a semiconductor memory device including a plurality of memory cells. In the operating method of the controller, program data to be stored in a selected page of the semiconductor memory device is generated, and the semiconductor memory device is controlled to program the program data in the selected page. Bit data at a predetermined position in the program data is data for allowing a threshold voltage of a corresponding memory cell to maintain an erase state.
    Type: Application
    Filed: August 5, 2021
    Publication date: August 18, 2022
    Applicant: SK hynix Inc.
    Inventors: Un Sang Lee, Moon Sik Seo
  • Publication number: 20220254806
    Abstract: A method of manufacturing a semiconductor device may include forming a stack with alternately stacked first material layers and second material layers, forming an opening passing through the stack, forming a memory layer in the opening, forming a slit passing through the stack and exposing the first material layers and the second material layers, and forming first barrier patterns, without removing the second material layers, by partially oxidizing the memory layer through the second material layers.
    Type: Application
    Filed: July 12, 2021
    Publication date: August 11, 2022
    Applicant: SK hynix Inc.
    Inventors: Moon Sik SEO, Dae Hwan YUN
  • Publication number: 20220223620
    Abstract: The present technology provides a semiconductor device and a method of manufacturing the same. The semiconductor device includes a channel structure, insulating structures surrounding the channel structure and stacked to be spaced apart from each other, interlayer insulating films surrounding the insulating structures, respectively, and a gate electrode extending from between the interlayer insulating films to between the insulating structures and surrounding the channel structure. The insulating structures may include protrusion portions extending to cover edges of the interlayer insulating films facing the channel structure, and the gate electrode may extend between the protrusion portions which are adjacent to each other.
    Type: Application
    Filed: March 29, 2022
    Publication date: July 14, 2022
    Inventors: Moon Sik SEO, Gil Bok CHOI
  • Patent number: 11315944
    Abstract: The present technology provides a semiconductor device and a method of manufacturing the same. The semiconductor device includes a channel structure, insulating structures surrounding the channel structure and stacked to be spaced apart from each other, interlayer insulating films surrounding the insulating structures, respectively, and a gate electrode extending from between the interlayer insulating films to between the insulating structures and surrounding the channel structure. The insulating structures may include protrusion portions extending to cover edges of the interlayer insulating films facing the channel structure, and the gate electrode may extend between the protrusion portions which are adjacent to each other.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: April 26, 2022
    Assignee: SK hynix Inc.
    Inventors: Moon Sik Seo, Gil Bok Choi
  • Publication number: 20210343349
    Abstract: A memory device includes a memory cell array having a plurality of memory strings and includes a voltage generating circuit configured to generate and apply a plurality of drain select line voltages, a plurality of source select line voltages, and a read voltage to the memory cell array during a read operation. The memory device also includes control logic configured to control the voltage generating circuit to generate a first drain select line voltage applied to a first unselected memory string among unselected memory strings among the plurality of memory strings and a second drain select line voltage applied to second unselected memory strings among the unselected memory strings during the read operation, wherein the second drain select line voltage is different from the first drain select line voltage.
    Type: Application
    Filed: July 12, 2021
    Publication date: November 4, 2021
    Applicant: SK hynix Inc.
    Inventor: Moon Sik Seo
  • Publication number: 20210217456
    Abstract: A memory device, and a method of operating the memory device, includes: a memory cell array including a plurality of strings; a voltage generation circuit configured to apply a turn-on voltage to the plurality of strings during a set application period in a channel initialization operation of a read operation of a selected string among the plurality of strings; a temperature detection circuit configured to measure an internal temperature of the memory device and generate a temperature signal; and control logic configured to control the voltage generation circuit to set the application period in response to the temperature signal and apply the turn-on voltage to the plurality of strings during the set application period.
    Type: Application
    Filed: July 7, 2020
    Publication date: July 15, 2021
    Applicant: SK hynix Inc.
    Inventors: Gil Bok CHOI, Moon Sik SEO
  • Patent number: 11062783
    Abstract: A memory device includes a memory cell array having a plurality of memory strings and includes a voltage generating circuit configured to generate and apply a plurality of drain select line voltages, a plurality of source select line voltages, and a read voltage to the memory cell array during a read operation. The memory device also includes control logic configured to control the voltage generating circuit to generate a first drain select line voltage applied to a first unselected memory string among unselected memory strings among the plurality of memory strings and a second drain select line voltage applied to second unselected memory strings among the unselected memory strings during the read operation, wherein the second drain select line voltage is different from the first drain select line voltage.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: July 13, 2021
    Assignee: SK hynix Inc.
    Inventor: Moon Sik Seo
  • Patent number: 11031086
    Abstract: There are provided a semiconductor memory and an operating method thereof. The semiconductor memory includes: a memory block including a plurality of pages; a peripheral circuit for performing a first erase operation, a program operation, and a second erase operation on the memory block in a write operation on the memory block; and control logic for controlling the peripheral circuit to perform the write operation. The control logic is configured to control the peripheral circuit to erase a plurality of memory cells included in the memory block to a pre-erase state having a threshold voltage higher than a threshold voltage of a target erase state in the first erase operation, and controls the peripheral circuit to erase some memory cells among the plurality of memory cells to the target erase state in the second erase operation.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: June 8, 2021
    Assignee: SK hynix Inc.
    Inventor: Moon Sik Seo
  • Publication number: 20210104281
    Abstract: There are provided a semiconductor memory and an operating method thereof. The semiconductor memory includes: a memory block including a plurality of pages; a peripheral circuit for performing a first erase operation, a program operation, and a second erase operation on the memory block in a write operation on the memory block; and control logic for controlling the peripheral circuit to perform the write operation. The control logic is configured to control the peripheral circuit to erase a plurality of memory cells included in the memory block to a pre-erase state having a threshold voltage higher than a threshold voltage of a target erase state in the first erase operation, and controls the peripheral circuit to erase some memory cells among the plurality of memory cells to the target erase state in the second erase operation.
    Type: Application
    Filed: May 5, 2020
    Publication date: April 8, 2021
    Applicant: SK hynix Inc.
    Inventor: Moon Sik SEO
  • Publication number: 20210027848
    Abstract: A memory device includes a memory cell array having a plurality of memory strings and includes a voltage generating circuit configured to generate and apply a plurality of drain select line voltages, a plurality of source select line voltages, and a read voltage to the memory cell array during a read operation. The memory device also includes control logic configured to control the voltage generating circuit to generate a first drain select line voltage applied to a first unselected memory string among unselected memory strings among the plurality of memory strings and a second drain select line voltage applied to second unselected memory strings among the unselected memory strings during the read operation, wherein the second drain select line voltage is different from the first drain select line voltage.
    Type: Application
    Filed: October 18, 2019
    Publication date: January 28, 2021
    Applicant: SK hynix Inc.
    Inventor: Moon Sik SEO