Patents by Inventor Dae Hwan YUN
Dae Hwan YUN 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: 12200937Abstract: 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: GrantFiled: November 7, 2023Date of Patent: January 14, 2025Assignee: SK hynix Inc.Inventors: Moon Sik Seo, Dae Hwan Yun
-
Patent number: 12073896Abstract: 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: GrantFiled: August 18, 2022Date of Patent: August 27, 2024Assignee: SK hynix Inc.Inventors: Gil Bok Choi, Moon Sik Seo, Dae Hwan Yun
-
Publication number: 20240188298Abstract: A method for fabricating a semiconductor memory device may include the steps of: forming a stacked body on a source layer by alternately stacking a plurality of interlayer dielectric layers and a plurality of gate sacrificial layers; forming a plurality of channel holes through the stacked body, the channel holes each having a lower end extended into the source layer; forming a channel layer along the surfaces of the channel holes, the channel layer including a first region formed in the stacked body and a second region formed in the source layer; and forming a channel passivation layer in the first region to scale down the thickness of the channel layer of the first region.Type: ApplicationFiled: February 12, 2024Publication date: June 6, 2024Applicant: SK hynix Inc.Inventors: Yu Jeong LEE, Dae Hwan YUN, Gil Bok CHOI
-
Publication number: 20240160358Abstract: A memory device performs a detrap operation on a selected memory block when the number of program/erase cycles of the selected memory block equals or exceeds a predetermined set number. A circuit included in the memory device applies a heating current to a heating layer, thermally coupled to the channel of each of the plurality of strings included in the selected memory block in the detrap operation.Type: ApplicationFiled: April 28, 2023Publication date: May 16, 2024Applicant: SK hynix Inc.Inventors: Gil Bok CHOI, Dae Hwan YUN
-
Publication number: 20240074198Abstract: 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: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Applicant: SK hynix Inc.Inventors: Moon Sik SEO, Dae Hwan YUN
-
Patent number: 11903200Abstract: A semiconductor memory device may include a core pillar extended in a vertical direction, a channel layer having a first region covering a portion of a side surface of the core pillar and a second region covering the other portion of the side surface of the core pillar and a bottom surface of the core pillar, the second region abutting the first region, and a channel passivation layer formed in the first region of the channel layer and abutting the core pillar.Type: GrantFiled: June 29, 2021Date of Patent: February 13, 2024Assignee: SK hynix Inc.Inventors: Yu Jeong Lee, Dae Hwan Yun, Gil Bok Choi
-
Publication number: 20240049469Abstract: The present technology relates to a semiconductor memory device and a method of manufacturing the same. The semiconductor memory device includes a stack with a plurality of interlayer insulating layers and a plurality of gate electrodes alternately stacked on a substrate, and a plurality of channel structures passing through the stack in a vertical direction. Each of the plurality of channel structures includes a core insulating layer, a channel layer, a tunnel insulating layer, and a charge storage layer that vertically extend in the same direction as the plurality of channel structures, and a dielectric constant of a partial region of the core insulating layer is lower than a dielectric constant of another region of the core insulating layer.Type: ApplicationFiled: October 16, 2023Publication date: February 8, 2024Applicant: SK hynix Inc.Inventors: Dae Hwan YUN, Gil Bok CHOI
-
Patent number: 11894431Abstract: The present technology includes a memory device. The memory device includes a stack structure including word lines and a select line, a vertical hole vertically penetrating the stack structure, and a memory layer, a channel layer, and a plug, sequentially formed along an inner side surface of the vertical hole. The plug includes a material layer having a fixed negative charge.Type: GrantFiled: April 15, 2021Date of Patent: February 6, 2024Assignee: SK hynix Inc.Inventors: Dae Hwan Yun, Gil Bok Choi
-
Patent number: 11882703Abstract: Provided herein may be a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device may include a stacked body including a plurality of interlayer insulating layers and a plurality of gate electrodes that are alternately stacked on a substrate, and a plurality of channel structures configured to vertically pass through the stacked body. Each of the plurality of channel structures may include a core insulating layer, a first channel layer, a second channel layer, a tunnel insulating layer, and a charge storage layer that extend vertically towards the substrate. Electron mobility of the first channel layer may be higher than electron mobility of the second channel layer.Type: GrantFiled: July 15, 2021Date of Patent: January 23, 2024Assignee: SK hynix Inc.Inventors: Sungmook Lim, Dae Hwan Yun, Gil Bok Choi, Jae Hyeon Shin, In Gon Yang, Hyung Jin Choi
-
Patent number: 11849583Abstract: 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: GrantFiled: July 12, 2021Date of Patent: December 19, 2023Assignee: SK hynix Inc.Inventors: Moon Sik Seo, Dae Hwan Yun
-
Patent number: 11812613Abstract: The present technology relates to a semiconductor memory device and a method of manufacturing the same. The semiconductor memory device includes a stack with a plurality of interlayer insulating layers and a plurality of gate electrodes alternately stacked on a substrate, and a plurality of channel structures passing through the stack in a vertical direction. Each of the plurality of channel structures includes a core insulating layer, a channel layer, a tunnel insulating layer, and a charge storage layer that vertically extend in the same direction as the plurality of channel structures, and a dielectric constant of a partial region of the core insulating layer is lower than a dielectric constant of another region of the core insulating layer.Type: GrantFiled: March 24, 2021Date of Patent: November 7, 2023Assignee: SK hynix Inc.Inventors: Dae Hwan Yun, Gil Bok Choi
-
Patent number: 11790979Abstract: The present disclosure relates to an electronic device. A memory device according to the present disclosure includes a memory block coupled to a plurality of local word lines, a peripheral circuit configured to couple the plurality of local word lines to a plurality of global word lines and configured to perform an operation on the memory block, and a control logic configured to control the peripheral circuit to cause or increase a leakage current of the pass switch circuit to discharge potential levels of the plurality of local word lines when the memory device enters a ready state after the operation.Type: GrantFiled: June 30, 2021Date of Patent: October 17, 2023Assignee: SK hynix Inc.Inventors: Gil Bok Choi, Dae Hwan Yun
-
Publication number: 20230307073Abstract: 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: ApplicationFiled: August 18, 2022Publication date: September 28, 2023Applicant: SK hynix Inc.Inventors: Gil Bok CHOI, Moon Sik SEO, Dae Hwan YUN
-
Patent number: 11521684Abstract: A memory device, and a method of operating the same, includes a memory cell array coupled to a plurality of word lines, wherein each word line is coupled to a plurality of memory cells. The memory device also includes a peripheral circuit configured to perform a sensing operation of sensing selected memory cells coupled to a selected word line selected from among the plurality of word lines. The memory device further includes control logic configured to control the peripheral circuit apply a turn-on voltage to a block word line coupled to the selected word line when the sensing operation is terminated and when potentials of the plurality of word lines are increased due to a recovery operation for channels of the plurality of memory cells after the plurality of word lines have been discharged.Type: GrantFiled: May 5, 2021Date of Patent: December 6, 2022Assignee: SK hynix Inc.Inventors: Gil Bok Choi, Dae Hwan Yun
-
Publication number: 20220254806Abstract: 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: ApplicationFiled: July 12, 2021Publication date: August 11, 2022Applicant: SK hynix Inc.Inventors: Moon Sik SEO, Dae Hwan YUN
-
Publication number: 20220254805Abstract: A semiconductor memory device may include a core pillar extended in a vertical direction, a channel layer having a first region covering a portion of a side surface of the core pillar and a second region covering the other portion of the side surface of the core pillar and a bottom surface of the core pillar, the second region abutting the first region, and a channel passivation layer formed in the first region of the channel layer and abutting the core pillar.Type: ApplicationFiled: June 29, 2021Publication date: August 11, 2022Applicant: SK hynix Inc.Inventors: Yu Jeong LEE, Dae Hwan YUN, Gil Bok CHOI
-
Publication number: 20220216231Abstract: Provided herein may be a semiconductor memory device and a method of manufacturing the semiconductor memory device. The semiconductor memory device may include a stacked body including a plurality of interlayer insulating layers and a plurality of gate electrodes that are alternately stacked on a substrate, and a plurality of channel structures configured to vertically pass through the stacked body. Each of the plurality of channel structures may include a core insulating layer, a first channel layer, a second channel layer, a tunnel insulating layer, and a charge storage layer that extend vertically towards the substrate. Electron mobility of the first channel layer may be higher than electron mobility of the second channel layer.Type: ApplicationFiled: July 15, 2021Publication date: July 7, 2022Applicant: SK hynix Inc.Inventors: Sungmook LIM, Dae Hwan YUN, Gil Bok CHOI, Jae Hyeon SHIN, In Gon YANG, Hyung Jin CHOI
-
Publication number: 20220208246Abstract: The present disclosure relates to an electronic device. A memory device according to the present disclosure includes a memory block coupled to a plurality of local word lines, a peripheral circuit configured to couple the plurality of local word lines to a plurality of global word lines and configured to perform an operation on the memory block, and a control logic configured to control the peripheral circuit to cause or increase a leakage current of the pass switch circuit to discharge potential levels of the plurality of local word lines when the memory device enters a ready state after the operation.Type: ApplicationFiled: June 30, 2021Publication date: June 30, 2022Applicant: SK hynix Inc.Inventors: Gil Bok CHOI, Dae Hwan YUN
-
Patent number: 11361828Abstract: Provided herein may be a semiconductor memory device. The semiconductor memory device may include: a memory cell array including a plurality of memory blocks; a peripheral circuit configured to apply an erase voltage to a source line and a plurality of select lines of a selected memory block among the plurality of memory blocks during an erase operation; and a control logic configured to control the peripheral circuit to form a trap in an area below at least one of a plurality of source select transistors included in the selected memory block, before the erase voltage is applied to the selected memory block.Type: GrantFiled: February 21, 2020Date of Patent: June 14, 2022Assignee: SK hynix Inc.Inventors: Dae Hwan Yun, Myeong Won Lee
-
Publication number: 20220172780Abstract: A memory device, and a method of operating the same, includes a memory cell array coupled to a plurality of word lines, wherein each word line is coupled to a plurality of memory cells. The memory device also includes a peripheral circuit configured to perform a sensing operation of sensing selected memory cells coupled to a selected word line selected from among the plurality of word lines. The memory device further includes control logic configured to control the peripheral circuit apply a turn-on voltage to a block word line coupled to the selected word line when the sensing operation is terminated and when potentials of the plurality of word lines are increased due to a recovery operation for channels of the plurality of memory cells after the plurality of word lines have been discharged.Type: ApplicationFiled: May 5, 2021Publication date: June 2, 2022Applicant: SK hynix Inc.Inventors: Gil Bok CHOI, Dae Hwan YUN