Patents by Inventor Min-Gyu Seo
Min-Gyu 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).
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Patent number: 12004436Abstract: Embodiments of present invention provide a resistive random-access memory (RRAM) cell. The RRAM cell includes a bottom electrode; a metal oxide layer, the metal oxide layer having a central portion that is in direct contact with the bottom electrode, a peripheral portion that is nonplanar with the central portion, and a vertical portion between the central portion and the peripheral portion; and a top electrode directly above the metal oxide layer. A method of manufacturing the RRAM cell is also provided.Type: GrantFiled: July 28, 2022Date of Patent: June 4, 2024Assignee: International Business Machines CorporationInventors: Soon-Cheon Seo, Min Gyu Sung, Takashi Ando, Chanro Park, Mary Claire Micaller Silvestre, Xuefeng Liu
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Patent number: 12004435Abstract: A method of manufacturing an RRAM cell includes forming a first wire, forming an insulator on the first wire, the insulator having a pore and an insulator surface, and forming a first electrode layer on the first wire and the insulator, the first electrode having an electrode surface. The method further includes recessing the first electrode layer such that the electrode surface is recessed toward the first wire from the insulator surface, forming a switching layer on the insulator and the first electrode, and forming a second electrode on the switching layer.Type: GrantFiled: June 1, 2022Date of Patent: June 4, 2024Assignee: International Business Machines CorporationInventors: Min Gyu Sung, Soon-Cheon Seo, Chanro Park
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Publication number: 20240179924Abstract: A resistive random access memory (ReRAM) device and a method for forming the device are provided. The ReRAM device includes a first electrode, a resistive switching element layer in contact with the first electrode, and a plurality of second electrodes in contact with the resistive switching element layer. Protruding portions of the first electrode and the resistive switching element layer overlap with the plurality of second electrodes in a vertical direction of the ReRAM device to form a plurality of vertically stacked ReRAM cells.Type: ApplicationFiled: November 29, 2022Publication date: May 30, 2024Inventors: Min Gyu Sung, Soon-Cheon Seo, Heng Wu, Julien Frougier, Chen Zhang, Ruilong Xie
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Patent number: 11987861Abstract: A method according to an embodiment is for recovering a valuable metal from a waste electrode material of a lithium secondary battery by using lithium carbonate. An anode-cathode mixed electrode material that has been separated by draining, crushing, screening, and sorting a waste lithium secondary battery is preprocessed. A precipitation operation performed by adding lithium carbonate (Li2CO3) to a metal melt acquired by performing sulfuric acid dissolution using sulfuric acid. A valuable metal such as nickel, cobalt, manganese, aluminum, and copper is recovered as a residue in the form of a carbonate composite, and a lithium sulfate (Li2SO4) aqueous solution including lithium is recovered as a filtrate.Type: GrantFiled: May 21, 2021Date of Patent: May 21, 2024Assignee: ECOPRO INNOVATION CO., LTD.Inventors: Suk Joon Park, Myung Gyu Lee, Jeong Sik Hong, So Yeong Byun, Gwang Seok Lee, Jong Sun Park, Beom Seok Seo, Min Woo Lee, Da Mo A Kim, Hui Sang Kim, A Ram Park
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Publication number: 20240141475Abstract: A deposition apparatus includes a chamber providing an inner space and a deposition source including an accommodation module accommodating a deposition material and a heater module providing heat to the deposition material. The deposition source is accommodated in the inner space to provide the deposition material. The heater module includes a first heater cover including a surface facing the accommodation module, including an insulating material, and provided with a first through hole, a second heater cover including an insulating material and provided with a second through hole, a heater disposed between the first and second heater covers, a fixing frame coupled with the second heater cover to fix the second heater cover and provided with a fastening hole, a coupling member inserted into the first and second through holes and the fastening hole, and a shielding cover covering an end of the coupling member and including an insulating material.Type: ApplicationFiled: August 7, 2023Publication date: May 2, 2024Inventors: JAEWAN SEOL, MIN-GYU SEO, INTAEK YOON, JONGHYUN CHOI
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Publication number: 20240141474Abstract: A deposition source includes a first crucible, a second crucible disposed inside the first crucible, a block disposed inside the first crucible, the block being disposed on at least a portion of the second crucible, and a cover covering a top surface of the first crucible, the cover being disposed on the block.Type: ApplicationFiled: August 14, 2023Publication date: May 2, 2024Applicant: Samsung Display Co., LTD.Inventors: Jonghyun CHOI, Min-Gyu SEO, Jaewan SEOL, Intaek YOON
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Publication number: 20240130142Abstract: A semiconductor structure comprises a first transistor, a second transistor vertically stacked over the first transistor, a source/drain region shared between the first transistor and the second transistor, and a resistive random-access memory device connected to the shared source/drain region.Type: ApplicationFiled: October 17, 2022Publication date: April 18, 2024Inventors: Min Gyu Sung, Kangguo Cheng, Julien Frougier, Ruilong Xie, Chanro Park, Soon-Cheon Seo
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Publication number: 20240099011Abstract: The present invention provides semiconductor structures. The semiconductor structures may include a peripheral complimentary metal-oxide semiconductor (CMOS) substrate, a first vertical NAND cell on a first side of the CMOS substrate, and a second vertical NAND cell on a second side of the CMOS substrate opposite the first side.Type: ApplicationFiled: September 15, 2022Publication date: March 21, 2024Inventors: Min Gyu Sung, Soon-Cheon Seo, Chen Zhang, Ruilong Xie, Heng Wu, Julien Frougier
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Patent number: 10907245Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one aspect, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate the crucible, the nozzle section, and the heater.Type: GrantFiled: June 28, 2019Date of Patent: February 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Min-Gyu Seo, Sang-Jin Han, Cheol-Lae Roh, Jae-Hong Ahn
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Publication number: 20190323119Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one aspect, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate the crucible, the nozzle section, and the heater.Type: ApplicationFiled: June 28, 2019Publication date: October 24, 2019Inventors: Min-Gyu SEO, Sang-Jin HAN, Cheol-Lae ROH, Jae-Hong AHN
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Patent number: 10364488Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one aspect, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate the crucible, the nozzle section, and the heater.Type: GrantFiled: January 30, 2018Date of Patent: July 30, 2019Assignee: Samsung Display Co., Ltd.Inventors: Min-Gyu Seo, Sang-Jin Han, Cheol-Lae Roh, Jae-Hong Ahn
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Patent number: 10081867Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one embodiment, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate the crucible, the nozzle section, and the heater.Type: GrantFiled: September 12, 2014Date of Patent: September 25, 2018Assignee: Samsung Display Co., Ltd.Inventors: Min-Gyu Seo, Sang-Jin Han, Cheol-Lae Roh, Jae-Hong Ahn
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Publication number: 20180155831Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one aspect, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate the crucible, the nozzle section, and the heater.Type: ApplicationFiled: January 30, 2018Publication date: June 7, 2018Inventors: Min-Gyu SEO, Sang-Jin HAN, Cheol-Lae ROH, Jae-Hong AHN
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Patent number: 9515263Abstract: A device for depositing an organic material includes a substrate; a mask having an opening portion and a shield portion; a fixing member for fixing the substrate and the mask to each other; a deposition source comprising a plurality of nozzles arranged in a first direction and configured to spray the organic material; and a plurality of shield plates near the plurality of nozzles on the deposition source. An angle ? between the substrate and a line extended from a distal end of one of the nozzles to a center of a distal end of a corresponding one of the shield plates is greater than or equal to a taper angle ? of the shield portion of the mask.Type: GrantFiled: August 11, 2014Date of Patent: December 6, 2016Assignee: Samsung Display Co., Ltd.Inventors: Seung-Ho Choi, Hyun Choi, Sung-Gon Kim, Min-Gyu Seo
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Publication number: 20140373784Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one embodiment, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate the crucible, the nozzle section, and the heater.Type: ApplicationFiled: September 12, 2014Publication date: December 25, 2014Inventors: Min-Gyu SEO, Sang-Jin HAN, Cheol-Lae ROH, Jae-Hong AHN
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Publication number: 20140349433Abstract: A device for depositing an organic material includes a substrate; a mask having an opening portion and a shield portion; a fixing member for fixing the substrate and the mask to each other; a deposition source comprising a plurality of nozzles arranged in a first direction and configured to spray the organic material; and a plurality of shield plates near the plurality of nozzles on the deposition source. An angle ? between the substrate and a line extended from a distal end of one of the nozzles to a center of a distal end of a corresponding one of the shield plates is greater than or equal to a taper angle ? of the shield portion of the mask.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Inventors: Seung-Ho Choi, Hyun Choi, Sung-Gon Kim, Min-Gyu Seo
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Patent number: 8845807Abstract: A linear evaporation source and a deposition apparatus having the same are disclosed. In one embodiment, the linear evaporation source includes i) a crucible being open on one side thereof and configured to store a deposition material and ii) a plurality of partitions dividing an internal space of the crucible, wherein each of the partitions has at least one opening in a lower portion thereof. The source further includes i) a nozzle section located on the open side of the crucible and comprising a plurality of nozzles, ii) a heater configured to heat the crucible and iii) a housing configured to accommodate to the crucible, the nozzle section, and the heater.Type: GrantFiled: December 17, 2010Date of Patent: September 30, 2014Assignee: Samsung Display Co., Ltd.Inventors: Min-Gyu Seo, Sang-Jin Han, Cheol-Lae Roh, Jae-Hong Ahn
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Patent number: 8802489Abstract: A device for depositing an organic material includes a substrate; a mask having an opening portion and a shield portion; a fixing member for fixing the substrate and the mask to each other; a deposition source comprising a plurality of nozzles arranged in a first direction and configured to spray the organic material; and a plurality of shield plates near the plurality of nozzles on the deposition source. An angle ? between the substrate and a line extended from a distal end of one of the nozzles to a center of a distal end of a corresponding one of the shield plates is greater than or equal to a taper angle ? of the shield portion of the mask.Type: GrantFiled: July 20, 2011Date of Patent: August 12, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seung-Ho Choi, Hyun Choi, Sung-Gon Kim, Min-Gyu Seo
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Publication number: 20120094025Abstract: A substrate depositing system comprises a substrate loading chamber for receiving a substrate, a substrate unloading chamber for withdrawing the substrate, at least one process chamber disposed between the substrate loading chamber and the substrate unloading chamber for processing the substrate, and a mask keeping chamber connected to one side of the process chamber(s). A substrate depositing method comprises inputting a substrate into a process chamber, transferring a mask to the process chamber from a mask keeping chamber connected to the process chamber, aligning the substrate and the mask, depositing a depositing material on the substrate while moving a deposition source in the process chamber, and withdrawing the substrate from the process chamber.Type: ApplicationFiled: July 20, 2011Publication date: April 19, 2012Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Sun-Ho Kim, Cheol-Lae Roh, Suk-Won Jung, Hyun Choi, Min-Gyu Seo
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Publication number: 20120064663Abstract: A device for depositing an organic material includes a substrate; a mask having an opening portion and a shield portion; a fixing member for fixing the substrate and the mask to each other; a deposition source comprising a plurality of nozzles arranged in a first direction and configured to spray the organic material; and a plurality of shield plates near the plurality of nozzles on the deposition source. An angle ? between the substrate and a line extended from a distal end of one of the nozzles to a center of a distal end of a corresponding one of the shield plates is greater than or equal to a taper angle ? of the shield portion of the mask.Type: ApplicationFiled: July 20, 2011Publication date: March 15, 2012Inventors: Seung-Ho Choi, Hyun Choi, Sung-Gon Kim, Min-Gyu Seo