Patents by Inventor Rak-Hwan Kim

Rak-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).

  • Patent number: 12165916
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun Chung, Joon Gon Lee, Rak Hwan Kim, Chung Hwan Shin, Do Sun Lee, Nam Gyu Cho
  • Publication number: 20240405090
    Abstract: A semiconductor device is provided. The semiconductor device includes: a semiconductor device including: an active pattern extending in a first direction; a gate structure including a gate electrode extending in a second direction and a gate spacer on the active pattern, wherein the gate electrode and the gate spacer are spaced apart from each other in the first direction; a source/drain pattern on the active pattern; a contact barrier layer on the source/drain pattern; and a contact filling layer on the contact barrier layer. An uppermost point of the contact barrier layer is between an upper surface of the contact filling layer and a lower surface of the contact filling layer, and outer walls of the contact barrier layer and outer walls of the contact filling layer extend along a common plane.
    Type: Application
    Filed: December 20, 2023
    Publication date: December 5, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seong Heum CHOI, Jeong Hoon SEO, Rak Hwan KIM, Chung Hwan SHIN, Do Sun LEE
  • Publication number: 20240332381
    Abstract: A semiconductor device may include an active pattern extending in a first direction, a gate structure which is placed on the active pattern to be spaced apart from each other in the first direction, and includes a gate electrode and a gate spacer, the gate electrode extending in a second direction intersecting the first direction, a gate contact on the gate structure, a source/drain pattern on the active pattern, a source/drain contact on the source/drain pattern, and a via plug on the source/drain contact. An upper surface of the gate contact and a second upper surface of the via plug may be placed on the same plane. A lower surface of the gate contact and a lower surface of the via plug may be different in height, on the basis of an upper surface of the active pattern.
    Type: Application
    Filed: October 20, 2023
    Publication date: October 3, 2024
    Inventors: Ji Won KANG, Chung Hwan SHIN, Seong Heum CHOI, Rak Hwan KIM
  • Publication number: 20240222453
    Abstract: A semiconductor device includes an interlayer insulating film including a first surface and a second surface opposite to the first surface in a first direction; a source/drain pattern provided in the interlayer insulating film; a channel pattern adjacent to the source/drain pattern in a second direction and contacting the source/drain pattern; a front wiring provided on the first surface of the interlayer insulating film; a back wiring provided on the second surface of the interlayer insulating film; and a first connecting via contact and a second connecting via contact which are provided between the source/drain pattern and the back wiring and connected to the source/drain pattern.
    Type: Application
    Filed: July 31, 2023
    Publication date: July 4, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eui Bok LEE, Rak Hwan KIM, Jong Min BAEK, Moon Kyun SONG
  • Publication number: 20240128347
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 18, 2024
    Inventors: Nam Gyu CHO, Rak Hwan KIM, Hyeok-Jun SON, Do Sun LEE, Won Keun CHUNG
  • Publication number: 20240120274
    Abstract: A semiconductor device a first fin-shaped pattern provided at a first surface of a substrate and extending in a second direction, a first source/drain pattern disposed on the first fin-shaped pattern and connected thereto, a first source/drain contact disposed on the first source/drain pattern and connected thereto, a buried conductive pattern extending through the substrate and connected to the first source/drain contact, a contact connection via disposed between the first source/drain contact and the buried conductive pattern. The contact connection via is directly connected to the first source/drain contact and a back wiring line disposed on a second surface of the substrate and connected to the buried conductive pattern. A width of the contact connection via increases as the contact connection via extends away from the second surface. A width of the first source/drain contact decreases as the first source/drain contact extends away from the second surface of the substrate.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Inventors: Eui Bok LEE, Rak Hwan KIM, Jong Min BAEK, Moon Kyun SONG
  • Patent number: 11942427
    Abstract: A semiconductor device includes a first interlayer insulating film disposed on a substrate and having a first trench. A first lower conductive pattern fills the first trench and includes first and second valley areas that are spaced apart from each other in a first direction parallel to an upper surface of the substrate. The first and second valley areas are recessed toward the substrate. A second interlayer insulating film is disposed on the first interlayer insulating film and includes a second trench that exposes at least a portion of the first lower conductive pattern. An upper conductive pattern fills the second trench and includes an upper barrier film and an upper filling film disposed on the upper barrier film. The upper conductive pattern at least partially fills the first valley area.
    Type: Grant
    Filed: September 19, 2022
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Yong Yoo, Jong Jin Lee, Rak Hwan Kim, Eun-Ji Jung, Won Hyuk Hong
  • Patent number: 11923426
    Abstract: A semiconductor device capable of improving a device performance and a reliability is provided. The semiconductor device comprising a gate structure including a gate electrode on a substrate, a source/drain pattern on a side face of the gate electrode, on the substrate and, a source/drain contact connected to the source/drain pattern, on the source/drain pattern, a gate contact connected to the gate electrode, on the gate electrode, and a wiring structure connected to the source/drain contact and the gate contact, on the source/drain contact and the gate contact, wherein the wiring structure includes a first via plug, a second via plug, and a wiring line connected to the first via plug and the second via plug, the first via plug has a single conductive film structure, and the second via plug includes a lower via filling film, and an upper via filling film on the lower via filling film.
    Type: Grant
    Filed: July 6, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji Won Kang, Tae-Yeol Kim, Jeong Ik Kim, Rak Hwan Kim, Jun Ki Park, Chung Hwan Shin
  • Patent number: 11881519
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Gyu Cho, Rak Hwan Kim, Hyeok-Jun Son, Do Sun Lee, Won Keun Chung
  • Publication number: 20230020234
    Abstract: A semiconductor device includes a first interlayer insulating film disposed on a substrate and having a first trench. A first lower conductive pattern fills the first trench and includes first and second valley areas that are spaced apart from each other in a first direction parallel to an upper surface of the substrate. The first and second valley areas are recessed toward the substrate. A second interlayer insulating film is disposed on the first interlayer insulating film and includes a second trench that exposes at least a portion of the first lower conductive pattern. An upper conductive pattern fills the second trench and includes an upper barrier film and an upper filling film disposed on the upper barrier film. The upper conductive pattern at least partially fills the first valley area.
    Type: Application
    Filed: September 19, 2022
    Publication date: January 19, 2023
    Inventors: Seung Yong YOO, Jong Jin Lee, Rak Hwan Kim, Eun-Ji Jung, Won Hyuk Hong
  • Publication number: 20220319916
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Application
    Filed: June 13, 2022
    Publication date: October 6, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun CHUNG, Joon Gon LEE, Rak Hwan KIM, Chung Hwan SHIN, Do Sun LEE, Nam Gyu CHO
  • Patent number: 11450607
    Abstract: A semiconductor device includes a first interlayer insulating film disposed on a substrate and having a first trench. A first lower conductive pattern fills the first trench and includes first and second valley areas that are spaced apart from each other in a first direction parallel to an upper surface of the substrate. The first and second valley areas are recessed toward the substrate. A second interlayer insulating film is disposed on the first interlayer insulating film and includes a second trench that exposes at least a portion of the first lower conductive pattern. An upper conductive pattern fills the second trench and includes an upper barrier film and an upper filling film disposed on the upper barrier film. The upper conductive pattern at least partially fills the first valley area.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Yong Yoo, Jong Jin Lee, Rak Hwan Kim, Eun-Ji Jung, Won Hyuk Hong
  • Publication number: 20220285518
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Nam Gyu CHO, Rak Hwan KIM, Hyeok-Jun SON, Do Sun LEE, Won Keun CHUNG
  • Patent number: 11367651
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun Chung, Joon Gon Lee, Rak Hwan Kim, Chung Hwan Shin, Do Sun Lee, Nam Gyu Cho
  • Patent number: 11349007
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: May 31, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Gyu Cho, Rak Hwan Kim, Hyeok-Jun Son, Do Sun Lee, Won Keun Chung
  • Publication number: 20220130970
    Abstract: A semiconductor device capable of improving a device performance and a reliability is provided. The semiconductor device comprising a gate structure including a gate electrode on a substrate, a source/drain pattern on a side face of the gate electrode, on the substrate and, a source/drain contact connected to the source/drain pattern, on the source/drain pattern, a gate contact connected to the gate electrode, on the gate electrode, and a wiring structure connected to the source/drain contact and the gate contact, on the source/drain contact and the gate contact, wherein the wiring structure includes a first via plug, a second via plug, and a wiring line connected to the first via plug and the second via plug, the first via plug has a single conductive film structure, and the second via plug includes a lower via filling film, and an upper via filling film on the lower via filling film.
    Type: Application
    Filed: July 6, 2021
    Publication date: April 28, 2022
    Inventors: Ji Won KANG, Tae-Yeol KIM, Jeong Ik KIM, Rak Hwan KIM, Jun Ki PARK, Chung Hwan SHIN
  • Publication number: 20210210613
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a fin-type pattern extending in a first direction; a gate electrode extending in a second direction over the fin-type pattern, the second direction being different from the first direction; spacers on sidewalls of the gate electrode; a capping structure on the gate electrode and the spacers, the capping structure including a first capping pattern and a second capping pattern, the second capping pattern being on the first capping pattern; and an interlayer insulating film surrounding sidewalls of each of the spacers and sidewalls of the capping structure, the interlayer insulating film being in contact with the first capping pattern.
    Type: Application
    Filed: September 9, 2020
    Publication date: July 8, 2021
    Inventors: Nam Gyu CHO, Rak Hwan KIM, Hyeok-Jun SON, Do Sun LEE, Won Keun CHUNG
  • Patent number: 11057991
    Abstract: Described herein are flexible and stretchable LED arrays and methods utilizing flexible and stretchable LED arrays. Assembly of flexible LED arrays alongside flexible plasmonic crystals is useful for construction of fluid monitors, permitting sensitive detection of fluid refractive index and composition. Co-integration of flexible LED arrays with flexible photodetector arrays is useful for construction of flexible proximity sensors. Application of stretchable LED arrays onto flexible threads as light emitting sutures provides novel means for performing radiation therapy on wounds.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: July 6, 2021
    Assignees: The Board of Trustees of the University of Illinois, Trustees of Tufts College
    Inventors: John A. Rogers, Rak-Hwan Kim, Dae-Hyeong Kim, David L. Kaplan, Fiorenzo G. Omenetto
  • Publication number: 20210090999
    Abstract: A semiconductor device includes a first interlayer insulating film disposed on a substrate and having a first trench. A first lower conductive pattern fills the first trench and includes first and second valley areas that are spaced apart from each other in a first direction parallel to an upper surface of the substrate. The first and second valley areas are recessed toward the substrate. A second interlayer insulating film is disposed on the first interlayer insulating film and includes a second trench that exposes at least a portion of the first lower conductive pattern. An upper conductive pattern fills the second trench and includes an upper barrier film and an upper filling film disposed on the upper barrier film. The upper conductive pattern at least partially fills the first valley area.
    Type: Application
    Filed: June 4, 2020
    Publication date: March 25, 2021
    Inventors: Seung Yong YOO, Jong Jin Lee, Rak Hwan Kim, Eun-Ji Jung, Won Hyuk Hong
  • Publication number: 20210020500
    Abstract: A semiconductor device includes a first interlayer insulating film; a conductive connection structure provided in the first interlayer insulating film; a second interlayer insulating film provided on the first interlayer insulating film; a wiring structure provided in the second interlayer insulating film and connected to the conductive connection structure; and an insertion liner interposed between an upper surface of the conductive connection structure and the wiring structure, the insertion liner including carbon.
    Type: Application
    Filed: June 16, 2020
    Publication date: January 21, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won Keun Chung, Joon Gon Lee, Rak Hwan Kim, Chung Hwan Shin, Do Sun Lee, Nam Gyu Cho