Patents by Inventor Yun-Ki Choi

Yun-Ki Choi 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: 20230099844
    Abstract: Provided is a semiconductor package including a first chip substrate including a first surface and a second surface, a through via passing through the first chip substrate, an upper passivation layer including a trench on the second surface of the first chip substrate, the trench exposing at least a portion of the second surface of the first chip substrate, an upper pad electrically connected with the through via on the trench, a second chip substrate including a third surface and a fourth surface, a lower pad electrically connected to the second chip substrate on the third surface of the second chip substrate, and a connection bump electrically connecting the upper pad with the lower pad and contacting the lower pad, wherein a width of the connection bump increases as the connection bump becomes farther away from the first surface of the first chip substrate.
    Type: Application
    Filed: June 2, 2022
    Publication date: March 30, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Ho KIM, Woo Jin JANG, Jeong Hoon AHN, Yun Ki CHOI
  • Patent number: 11538747
    Abstract: Provided is an interposer structure. The interposer structure comprises an interposer substrate, an interlayer insulating film which covers a top surface of the interposer substrate, a capacitor structure in the interlayer insulating film and a wiring structure including a first wiring pattern and a second wiring pattern spaced apart from the first wiring pattern, on the interlayer insulating film, wherein the capacitor structure includes an upper electrode connected to the first wiring pattern, a lower electrode connected to the second wiring pattern, and a capacitor dielectric film between the upper electrode and the lower electrode.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: December 27, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shaofeng Ding, Jae June Jang, Jeong Hoon Ahn, Yun Ki Choi
  • Patent number: 11476512
    Abstract: A battery module includes: a module body including a cell assembly stack formed by stacking a plurality of cell assemblies and a module case configured to accommodate the cell assembly stack; and a pair of heatsinks disposed at an upper portion and a lower portion of the module body, respectively, to dissipate heat transferred from the module case. Each of the cell assemblies includes: at least one battery cell; a cartridge configured to accommodate the battery cell; and a pair of thermally conductive resin layers filled in respective empty spaces formed between a top end of the battery cell and the cartridge and between a bottom end of the battery cell and the cartridge.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: October 18, 2022
    Inventor: Yun-Ki Choi
  • Publication number: 20220328404
    Abstract: A semiconductor device includes an integrated circuit (IC) and an interlayer dielectric layer on the substrate, a contact through the interlayer dielectric layer and electrically connected to the IC, a wiring layer on the interlayer dielectric layer with a wiring line electrically connected to the contact, a first passivation layer on the wiring layer, first and second pads on the first passivation layer, and a through electrode through the substrate, the interlayer dielectric layer, the wiring layer, and the first passivation layer to connect to the first pad. The first pad includes a first head part on the first passivation layer, and a protruding part that extends into the first passivation layer from the first head part, the protruding part surrounding a lateral surface of the through electrode in the first passivation layer, and the second pad is connected to the IC through the wiring line and the contact.
    Type: Application
    Filed: November 16, 2021
    Publication date: October 13, 2022
    Inventors: Shaofeng DING, Jeong Hoon AHN, Yun Ki CHOI
  • Publication number: 20220310506
    Abstract: A semiconductor device includes a first conductive lower wiring disposed at a first metal level and that extends in a first direction, a first upper wiring structure connected to the first conductive lower wiring and that includes a first conductive upper wiring and a first conductive upper via, where the first conductive upper wiring is disposed at a second metal level higher than the first metal level and extends in a second direction different from the first direction, and a conductive insertion pattern disposed between the first conductive lower wiring and the first upper wiring structure and connected to the first conductive upper via. An upper surface of the conductive insertion pattern has a first width in the first direction, and a bottom surface of the first conductive upper via has a second width in the first direction that is less than the first width.
    Type: Application
    Filed: January 4, 2022
    Publication date: September 29, 2022
    Inventors: Jung Il Park, Jeong Hoon Ahn, Yun Ki Choi
  • Patent number: 11437374
    Abstract: A semiconductor device includes a substrate including a logic cell region and a connection region, a dummy transistor on the connection region, an intermediate connection layer on the dummy transistor, a first metal layer on the intermediate connection layer, an etch stop layer between the intermediate connection layer and the first metal layer, a through contact below the first metal layer penetrating the connection region, an upper portion of the through contact protruding above the etch stop layer, and a protection insulating pattern on the etch stop layer covering the upper portion of the through contact. The protection insulating pattern covers an upper side surface of the through contact and a top surface of the through contact.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: September 6, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shaofeng Ding, Minguk Kang, Jihyung Kim, Jeong Hoon Ahn, Haeri Yoo, Yun Ki Choi
  • Publication number: 20220278024
    Abstract: A semiconductor device includes a substrate provided with an integrated circuit and a contact, an interlayer dielectric layer covering the integrated circuit and the contact, a through electrode penetrating the substrate and the interlayer dielectric layer, a first intermetal dielectric layer on the interlayer dielectric layer, and first and second wiring patterns in the first intermetal dielectric layer. The first wiring pattern includes a first conductive pattern on the through electrode, and a first via penetrating the first intermetal dielectric layer and connecting the first conductive pattern to the through electrode. The second wiring pattern includes a second conductive pattern on the contact, and a second via penetrating the first intermetal dielectric layer and connecting the second conductive pattern to the contact. A first width in a first direction of the first via is greater than a second width in the first direction of the second via.
    Type: Application
    Filed: September 8, 2021
    Publication date: September 1, 2022
    Inventors: SHAOFENG DING, JEONG HOON AHN, YUN KI CHOI
  • Publication number: 20220278193
    Abstract: A semiconductor device includes a semiconductor substrate including a connection region, a pair of epitaxial patterns provided at the semiconductor substrate, a capacitor disposed between the pair of epitaxial patterns, a middle connection layer on the capacitor, an interconnection layer on the middle connection layer, and a through-via provided under the interconnection layer and penetrating the connection region of the semiconductor substrate. The capacitor includes an upper portion of the semiconductor substrate between the pair of epitaxial patterns, a metal electrode on the upper portion of the semiconductor substrate, and a dielectric pattern disposed between the upper portion of the semiconductor substrate and the metal electrode. The through-via is connected to the capacitor through the interconnection layer and the middle connection layer.
    Type: Application
    Filed: September 13, 2021
    Publication date: September 1, 2022
    Inventors: SHAOFENG DING, JEONG HOON AHN, YUN KI CHOI
  • Publication number: 20220271045
    Abstract: A semiconductor device includes a substrate including a logic cell region and a connection region, a dummy transistor on the connection region, an intermediate connection layer on the dummy transistor, the intermediate connection layer including a connection pattern electrically connected to the dummy transistor, a first metal layer on the intermediate connection layer, an etch stop layer between the intermediate connection layer and the first metal layer, the etch stop layer covering a top surface of the connection pattern, and a penetration contact extended from the first metal layer toward a bottom surface of the substrate penetrating the connection region.
    Type: Application
    Filed: September 14, 2021
    Publication date: August 25, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaofeng DING, Jeong Hoon AHN, Yun Ki CHOI
  • Patent number: 11362380
    Abstract: A battery pack cooling system for an electric vehicle, which may be utilized during quick charging, includes a battery pack; a water-cooling device; a thermoelectric module installed at an coolant conduit of the water-cooling device; a current sensor configured to detect a magnitude of a charging current supplied to the battery pack; and a control unit configured to determine a charging C-rate based on the magnitude of the charging current and configured to operate the thermoelectric module when the charging C-rate is at a preset threshold or above. A method of cooling such a battery pack system for an electric vehicle is also provided.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: June 14, 2022
    Inventor: Yun-Ki Choi
  • Publication number: 20220028827
    Abstract: A semiconductor device includes an interposer substrate and at least one die mounted on the interposer substrate. The interposer substrate includes a semiconductor substrate having a first surface and a second surface opposite to the first surface, an interlayer insulating layer on the first surface of the semiconductor substrate, a capacitor in a hole penetrating the interlayer insulating layer, an interconnection layer on the interlayer insulating layer, and a through-via extending from the interconnection layer toward the second surface of the semiconductor substrate in a vertical direction that is perpendicular to the first surface of the semiconductor substrate. The capacitor includes a sequential stack of a first electrode, a first dielectric layer, a second electrode, a second dielectric layer and a third electrode. A bottom of the hole is distal from the second surface of the semiconductor substrate in relation to the first surface of the semiconductor substrate.
    Type: Application
    Filed: March 1, 2021
    Publication date: January 27, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaofeng DING, Jeong Hoon AHN, Yun Ki CHOI
  • Patent number: 11133266
    Abstract: A method of fabricating a semiconductor device comprises forming first and second align keys in a wafer, the second align key apart from the first align key, forming third and fourth align keys in the wafer, the third align key apart from the second align key, the fourth align key apart from the third align key, forming a fifth align key in the wafer, the fifth align key apart from the fourth align key, forming a first line pattern in the wafer using the second and third align keys, forming a second line pattern in the wafer using the fourth and fifth align keys, forming a first interposer including the first line pattern by cutting a space between the first and second align keys, and forming a second interposer, the second interposer including the second line pattern by cutting a space between the third and fourth align keys.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: September 28, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shaofeng Ding, Jeong Hoon Ahn, Yun Ki Choi
  • Publication number: 20210242203
    Abstract: A semiconductor device includes a substrate including a logic cell region and a connection region, a dummy transistor on the connection region, an intermediate connection layer on the dummy transistor, a first metal layer on the intermediate connection layer, an etch stop layer between the intermediate connection layer and the first metal layer, a through contact below the first metal layer penetrating the connection region, an upper portion of the through contact protruding above the etch stop layer, and a protection insulating pattern on the etch stop layer covering the upper portion of the through contact. The protection insulating pattern covers an upper side surface of the through contact and a top surface of the through contact.
    Type: Application
    Filed: September 28, 2020
    Publication date: August 5, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaofeng DING, Minguk KANG, Jihyung KIM, Jeong Hoon AHN, Haeri YOO, Yun Ki CHOI
  • Publication number: 20210125937
    Abstract: A method of fabricating a semiconductor device comprises forming first and second align keys in a wafer, the second align key apart from the first align key, forming third and fourth align keys in the wafer, the third align key apart from the second align key, the fourth align key apart from the third align key, forming a fifth align key in the wafer, the fifth align key apart from the fourth align key, forming a first line pattern in the wafer using the second and third align keys, forming a second line pattern in the wafer using the fourth and fifth align keys, forming a first interposer including the first line pattern by cutting a space between the first and second align keys, and forming a second interposer, the second interposer including the second line pattern by cutting a space between the third and fourth align keys.
    Type: Application
    Filed: May 18, 2020
    Publication date: April 29, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaofeng DING, Jeong Hoon AHN, Yun Ki CHOI
  • Publication number: 20210118794
    Abstract: Provided is an interposer structure. The interposer structure comprises an interposer substrate, an interlayer insulating film which covers a top surface of the interposer substrate, a capacitor structure in the interlayer insulating film and a wiring structure including a first wiring pattern and a second wiring pattern spaced apart from the first wiring pattern, on the interlayer insulating film, wherein the capacitor structure includes an upper electrode connected to the first wiring pattern, a lower electrode connected to the second wiring pattern, and a capacitor dielectric film between the upper electrode and the lower electrode.
    Type: Application
    Filed: May 22, 2020
    Publication date: April 22, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaofeng DING, Jae June JANG, Jeong Hoon AHN, Yun Ki CHOI
  • Publication number: 20210118696
    Abstract: The method of manufacturing an interposer includes providing a substrate including a first region and a second region adjacent to the first region, forming a first mold structure on the substrate, forming a photoresist layer on the first mold structure, forming a first transfer pattern over the photoresist layer on the first region, using a first photomask, forming a second transfer pattern over the photoresist layer on the second region, using the first photomask, forming a mask pattern on the first mold structure, using the first transfer pattern and the second transfer pattern and forming a first trench and a second trench in the first mold structure, using the mask pattern, the first trench being formed in the first region, and the second trench being formed in the second region.
    Type: Application
    Filed: May 14, 2020
    Publication date: April 22, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Shaofeng DING, Jeong Hoon AHN, Yun Ki CHOI
  • Patent number: 10892528
    Abstract: Disclosed is a battery module, which includes a battery cell assembly including a plurality of battery cells stacked on each other along a vertical direction, a heatsink configured to cover one side of the battery cell assembly, and a pair of cooling plates connected to the heatsink to cover both side surfaces of the battery cell assembly, respectively, the pair of cooling plates having a coolant channel formed along a stacking direction of the plurality of battery cells.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: January 12, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Ha-Neul Yoo, Sang-Il Son, Hun Cha, Yun-Ki Choi, Jong-Soo Ha
  • Publication number: 20200373634
    Abstract: A battery module includes: a module body including a cell assembly stack formed by stacking a plurality of cell assemblies and a module case configured to accommodate the cell assembly stack; and a pair of heatsinks disposed at an upper portion and a lower portion of the module body, respectively, to dissipate heat transferred from the module case. Each of the cell assemblies includes: at least one battery cell; a cartridge configured to accommodate the battery cell; and a pair of thermally conductive resin layers filled in respective empty spaces formed between a top end of the battery cell and the cartridge and between a bottom end of the battery cell and the cartridge.
    Type: Application
    Filed: June 11, 2019
    Publication date: November 26, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Yun-Ki Choi
  • Patent number: 10804578
    Abstract: The present disclosure relates to a battery module, and a battery pack and a vehicle including the same. A battery module according to an embodiment of the present disclosure includes a cartridge including an accommodation space therein; a plurality of battery cells placed in the accommodation space; and a cooling unit configured to cool the battery cells, wherein the cooling unit includes: a cooling fin making surface contact with sides of the battery cells; a cooling plate placed below the cooling fin; and a connection member placed between the cooling fin and the cooling plate and transferring heat from the cooling fin to the cooling plate.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: October 13, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Sang-Il Son, Ha-Neul Yoo, Yun-Ki Choi, Jong-Soo Ha
  • Publication number: 20200295418
    Abstract: A battery pack cooling system for an electric vehicle, which may be utilized during quick charging, includes a battery pack; a water-cooling device; a thermoelectric module installed at an coolant conduit of the water-cooling device; a current sensor configured to detect a magnitude of a charging current supplied to the battery pack; and a control unit configured to determine a charging C-rate based on the magnitude of the charging current and configured to operate the thermoelectric module when the charging C-rate is at a preset threshold or above. A method of cooling such a battery pack system for an electric vehicle is also provided.
    Type: Application
    Filed: June 11, 2019
    Publication date: September 17, 2020
    Applicant: LG Chem, Ltd.
    Inventor: Yun-Ki Choi