Patents by Inventor Jeong-Hwan Kim
Jeong-Hwan Kim 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).
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Publication number: 20250040118Abstract: A method for fabricating a semiconductor device including high-integrated memory cells may include forming a cell mold in which a plurality of mold layers are stacked, over a lower structure; forming a line-shape vertical opening in the cell mold, which is vertically oriented in a stack direction of the cell mold; forming a storage opening that horizontally extends from the line-shape vertical opening; and forming a data storage element in the storage opening.Type: ApplicationFiled: July 24, 2024Publication date: January 30, 2025Inventors: Seung Hwan KIM, Jeong Hoon KWON
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Publication number: 20250019852Abstract: A method of controlling physical properties of an electrolytic copper foil according to one embodiment of the present invention includes: controlling the physical properties of the electrolytic copper foil including elongation, tensile strength and roughness by regulating a surface glossiness of the electrolytic copper foil through addition of a surface glossiness agent. The surface glossiness is regulated within a range of 35 to 400 GU (60°).Type: ApplicationFiled: March 30, 2023Publication date: January 16, 2025Inventors: Jeong Hwan KIM, Sae Kwon HEO, Gyun HU
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Publication number: 20250017479Abstract: A smart ring for sensing a biometric signal is provided. The smart ring for sensing a biometric signal by coming in contact with the skin includes at least one light-emitting circuit including first to third light sources that respectively generate light of first to third wavelengths incident on the inside of the skin at non-overlapping first to third points in time, a switch that controls each of the at least one light-emitting circuit, first to third driving circuits that respectively control the first to third light sources of each light-emitting circuit, and a sensing circuit configured to obtain reflected light that is output from the at least one light-emitting circuit and reflected from the inside of the skin.Type: ApplicationFiled: September 14, 2022Publication date: January 16, 2025Inventors: Sang Yeun Jeon, Jeong Yeol Kim, Chang Woo Choi, Byung Hwan Lee
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Publication number: 20250008733Abstract: A semiconductor device, and a method of manufacturing the same, includes a gate stack including a plurality of conductive lines extending in a first horizontal direction, a first slit and a second slit passing through the gate stack in a vertical direction and extending in the first horizontal direction, and a plurality of cell plugs extending in the vertical direction orthogonal to the first horizontal direction in the gate stack between the first slit and the second slit. Each of the first slit and the second slit includes a first portion extending in a diagonal direction between the first horizontal direction and a second horizontal direction orthogonal to the first horizontal direction, and a second portion extending in the first horizontal direction.Type: ApplicationFiled: November 29, 2023Publication date: January 2, 2025Applicant: SK hynix Inc.Inventors: Seok Min CHOI, Jung Shik JANG, Rho Gyu KWAK, Jeong Hwan KIM, In Su PARK, Won Geun CHOI
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Publication number: 20240420763Abstract: The present discloses provides a memory device and a method of operating the memory device. The memory device includes first main plugs formed in a vertical direction over a substrate and arranged in a first direction, second main plugs, third main plugs arranged between the first and second main plugs, the third main plugs adjacent to the first and second main plugs, and bit lines above the first to third main plugs, wherein each of the first to third main plugs includes first and second sub-plugs facing each other, wherein portions of the first and second sub-plugs included in each of the first and third main plugs are coupled to different select lines, and wherein portions of the first and second sub-plugs included in each of the second and third main plugs are coupled to different select lines.Type: ApplicationFiled: August 23, 2024Publication date: December 19, 2024Applicant: SK hynix Inc.Inventors: Jung Shik JANG, In Su PARK, Woo Pyo JEONG, Jung Dal CHOI, Jae Woong KIM, Jeong Hwan KIM
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Publication number: 20240420740Abstract: A memory device, and a method of manufacturing the same, includes a first select line including a first cell area, a second select line including a second cell area disposed in a first direction from the first cell area, a first separation pattern extending in a second direction intersecting the first direction between the first cell area and the second cell area, second separation patterns extending from both ends of the first separation pattern in the first direction and a third direction opposite the first direction, respectively, and a third separation pattern extending from at least one of the second separation patterns in the second direction, and disposed in a direction opposite the first separation pattern with respect to the at least one second separation pattern.Type: ApplicationFiled: November 22, 2023Publication date: December 19, 2024Applicant: SK hynix Inc.Inventors: Won Geun CHOI, Jeong Hwan KIM, Jung Shik JANG
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Publication number: 20240404874Abstract: A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.Type: ApplicationFiled: August 15, 2024Publication date: December 5, 2024Applicant: SK hynix Inc.Inventors: Dong Hun LEE, Jeong Hwan KIM, Mi Seong PARK, Jung Shik JANG, Won Geun CHOI
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Publication number: 20240404837Abstract: Methods of semiconductor processing may include providing a hydrogen-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be disposed on a substrate support within the processing region. A layer of silicon-and-nitrogen-containing material may be disposed on the substrate. The methods may include forming plasma effluents of the hydrogen-containing precursor. The methods may include contacting the layer of silicon-and-nitrogen-containing material with plasma effluents of the hydrogen-containing precursor. The contacting may etch a portion of the layer of silicon-and-nitrogen-containing material.Type: ApplicationFiled: May 30, 2023Publication date: December 5, 2024Applicant: Applied Materials, Inc.Inventors: Zhiren Luo, Jeong Hwan Kim, Qian Fu, Abhijeet S. Bagal
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Publication number: 20240395324Abstract: A memory device includes: a memory cell array including a plurality of cell plugs; a first slit isolating the memory cell array into a plurality of memory regions, the first slit extending in a first direction; and second slits penetrating the plurality of memory regions, the second slits being arranged to be spaced apart from each other in a second direction intersecting the first direction. Gate lines included in each of the plurality of memory regions may be isolated from each other by the first slit. Each gate line located in the same layer among the gate lines included in each of the plurality of memory regions may extend through a first connection region between the second slits for each corresponding memory region.Type: ApplicationFiled: November 7, 2023Publication date: November 28, 2024Applicant: SK hynix Inc.Inventors: Seok Min CHOI, Jung Shik JANG, Rho Gyu KWAK, Jeong Hwan KIM, In Su PARK, Won Geun CHOI, Jung Dal CHOI
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Patent number: 12144195Abstract: A display device includes a substrate that includes a display area and a non-display area; a mask support that is disposed in the non-display area of the substrate; a sealant that is disposed in the non-display area of the substrate and is disposed between the mask support and the display area; an insulating layer that is disposed between the sealant and the mask support; and a plurality of grooves that are formed by removing at least a part of the insulating layer.Type: GrantFiled: December 23, 2021Date of Patent: November 12, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong Duck Son, Jeong Hwan Kim, Sun Park, Min Chul Shin, Jin Wook Jeong, Myung Koo Hur
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Publication number: 20240371752Abstract: A semiconductor device may include: a first gate structure including a plurality of first conductive layers that are alternately stacked with a plurality of first insulating layers; a second gate structure including a plurality of second conductive layers that are alternately stacked with a plurality of second insulating layers; a third gate structure including third conductive layers that are alternately stacked with a plurality of third insulating layers; and a first contact plug extending into the first gate structure through the third gate structure and the second gate structure, the first contact plug connected to a first of the plurality of first conductive layers, and the first contact plug including a first inflection portion located at an interface between the second gate structure and the third gate structure.Type: ApplicationFiled: April 8, 2024Publication date: November 7, 2024Applicant: SK hynix Inc.Inventors: Won Geun CHOI, Jung Shik JANG, Rho Gyu KWAK, Seok Min CHOI, Jeong Hwan KIM, Na Yeong YANG, In Su PARK, Jung Dal CHOI
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Publication number: 20240360578Abstract: A method for manufacturing an electrolytic copper foil according to one embodiment of the present disclosure includes: preparing an electrolyte containing copper ion and nickel ion by dissolving copper (Cu) and nickel (Ni) in sulfuric acid; and forming a copper layer by supplying an electric current to a positive plate and a negative electrode rotating drum disposed apart from each other in the electrolyte. The concentration of the nickel ion is 50 ppm to 350 ppm.Type: ApplicationFiled: March 28, 2023Publication date: October 31, 2024Inventors: Jeong Hwan KIM, Sae Kwon HEO, Gyun HU
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Patent number: 12106806Abstract: The present discloses provides a memory device and a method of operating the memory device. The memory device includes first main plugs formed in a vertical direction over a substrate and arranged in a first direction, second main plugs, third main plugs arranged between the first and second main plugs, the third main plugs adjacent to the first and second main plugs, and bit lines above the first to third main plugs, wherein each of the first to third main plugs includes first and second sub-plugs facing each other, wherein portions of the first and second sub-plugs included in each of the first and third main plugs are coupled to different select lines, and wherein portions of the first and second sub-plugs included in each of the second and third main plugs are coupled to different select lines.Type: GrantFiled: May 17, 2022Date of Patent: October 1, 2024Assignee: SK hynix Inc.Inventors: Jung Shik Jang, In Su Park, Woo Pyo Jeong, Jung Dal Choi, Jae Woong Kim, Jeong Hwan Kim
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Patent number: 12105447Abstract: An example image forming apparatus includes a power device, a photosensitive drum, a transfer device to remove remaining toner based on a cleaning bias voltage, an optical sensor to detect remaining toner, and a processor to adjust the cleaning bias voltage based on a set offset bias voltage. The processor may change a surface potential of the photosensitive drum to a voltage of a set pattern using the power device, acquire a size ratio of a periodic component based on a frequency of a signal detected from the remaining toner using the optical sensor, and, based on the acquired size ratio of the periodic component being greater than or equal to a set size ratio, adjust the cleaning bias voltage based on an offset bias voltage corresponding to the size ratio of the periodic component and provide the adjusted cleaning bias voltage to the transfer device to remove remaining toner.Type: GrantFiled: June 18, 2021Date of Patent: October 1, 2024Assignee: Hewlett-Packard Development Company, L.P.Inventors: Jung Hun Song, Do Geun Kim, Jeong Hwan Kim
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Patent number: 12094762Abstract: A method of manufacturing a semiconductor device is provided. The method may include forming a stack, forming a preliminary stepped structure by patterning the stack, forming a first stepped structure, a second stepped structure, and an opening located between the first stepped structure and the second stepped structure by etching the preliminary stepped structure, forming a passivation layer that fills the opening and covers the first stepped structure, and forming a third stepped structure by etching the second stepped structure using the passivation layer as an etching barrier.Type: GrantFiled: August 15, 2023Date of Patent: September 17, 2024Assignee: SK hynix Inc.Inventors: Dong Hun Lee, Jeong Hwan Kim, Mi Seong Park, Jung Shik Jang, Won Geun Choi
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Patent number: 12065524Abstract: Provided are an ethylene-propylene-diene monomer (EPDM) copolymer and a method of preparing the same. An EPDM copolymer which has more improved miscibility with inorganic fillers such as carbon black, may further facilitate dispersibility in mixing to further decrease the viscosity of a compound composition, and may provide a compound composition having excellent processability and mechanical properties. A method of preparing the same is also provided.Type: GrantFiled: May 26, 2022Date of Patent: August 20, 2024Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., LtdInventors: Byoung Tak Yim, Byung Jun Kim, Jeong Hwan Kim
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Publication number: 20240249953Abstract: Exemplary methods of semiconductor processing may include providing a fluorine-containing precursor to a processing region of a semiconductor processing chamber. A substrate may be housed within the processing region. The substrate may include a boron-containing material overlying a carbon-containing material. The methods may include generating plasma effluents of the fluorine-containing precursor. The methods may include contacting the substrate with the plasma effluents of the fluorine-containing precursor. The methods may include removing the boron-containing material from the substrate.Type: ApplicationFiled: January 19, 2023Publication date: July 25, 2024Applicant: Applied Materials, Inc.Inventors: Yeonju Kwak, Jeong Hwan Kim, Qian Fu, Siyu Zhu, Hang Yu, Srinivas Guggilla
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Patent number: 12048068Abstract: Provided is a heating element having a fuse function. The heating element having a fuse function according to an exemplary embodiment of the present invention includes a plurality of heat sources which generate heat when power is applied, a fuse member of which both end portions are physically connected to two heat sources disposed to be spaced apart from each other by a gap to connect the two heat sources in series and which is fused to electrically disconnect the two heat sources when a temperature is higher than or equal to a preset temperature, and an insulating member which surrounds the plurality of heat sources and the fuse member.Type: GrantFiled: January 20, 2020Date of Patent: July 23, 2024Assignee: AMOGREENTECH CO., LTD.Inventors: Jeong Hwan Kim, Won San Na, Jin Pyo Park, Jae Yeong Lee, Hyun Chul Lim
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Patent number: 12009370Abstract: A display device includes a metal layer disposed on a substrate; a transistor disposed on the metal layer; and a light emitting element electrically connected to the transistor, wherein the transistor includes a semiconductor layer at least partially overlapping the metal layer, the semiconductor layer includes a first region, a second region, and a channel region disposed between the first region and the second region, and the metal layer overlaps the second region and the channel region and is spaced apart from the first region in a plan view.Type: GrantFiled: August 30, 2021Date of Patent: June 11, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong Hwan Kim, Yong Duck Son, Min-Sik Jung, Jun Hwi Park, Da Bin Lee, Won Ho Jang
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Publication number: 20240161336Abstract: A method of generating a human model according to the present disclosure may include generating a plurality of feature maps from an input image, wherein the plurality of feature maps include a body center map, a part index map, a body part map and a parameter map, generating a part-attentive feature configured with feature maps for each body part based on the part index map and the body part map, readjusting the part-attentive feature based on the parameter map and generating a pose parameter based on the readjusted part-attentive feature.Type: ApplicationFiled: November 15, 2023Publication date: May 16, 2024Applicants: Electronics and Telecommunications Research Institute, Konkuk University Industrial Cooperation CorpInventors: Gi Mun UM, Hee Kyung LEE, Won Jun KIM, Jeong Hwan KIM