Patents by Inventor Keun-hee Bai

Keun-hee Bai 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: 10991620
    Abstract: A semiconductor device includes gates extending in a first direction on a substrate, each gate of the gates including a gate insulation layer, a gate electrode, and a first spacer, first contact plugs contacting the substrate between adjacent ones of the gates, the first contact plugs being spaced apart from sidewalls of corresponding ones of the gates, a second contact plug contacting an upper surface of a corresponding gate electrode, the second contact plug being between first contact plugs, and an insulation spacer in a gap between the second contact plug and an adjacent first contact plug, the insulation spacer contacting sidewalls of the second contact plug and the adjacent first contact plug, and upper surfaces of the second contact plug and the adjacent first contact plug being substantially coplanar with each other.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Hyun Lee, Sung-Woo Kang, Keun-Hee Bai, Hak-Yoon Ahn, Seong-Han Oh, Young-Mook Oh
  • Patent number: 10847416
    Abstract: A semiconductor device with improved product reliability and a method of fabricating the semiconductor are provided. The semiconductor device includes a substrate, a gate electrode on the substrate, a first spacer on a sidewall of the gate electrode, a conductive contact on a sidewall of the first spacer to protrude beyond a top surface of the gate electrode, a trench defined by the top surface of the gate electrode, a top surface of the first spacer, and sidewalls of the contact, an etching stop layer extending along at least parts of sidewalls of the trench and a bottom surface of the trench, and a capping pattern on the etching stop layer to fill the trench, wherein the capping pattern includes silicon oxide or a low-k material having a lower permittivity than silicon oxide.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun Hee Bai, Sung Woo Kang, Kee Sang Kwon, Dong Seok Lee, Sang Hyun Lee, Jeong Yun Lee, Yong-Ho Jeon
  • Patent number: 10629604
    Abstract: A semiconductor device includes a substrate, a fin active region pattern on the substrate, the fin active region pattern including an upper region and a lower region, a device isolation layer pattern surrounding the fin active region pattern, a gate pattern on the upper region of the fin active region pattern, and a stressor on the lower region of the fin active region pattern, wherein a top surface of the device isolation layer pattern is lower than a top surface of the upper region and higher than a top surface of the lower region.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-hee Bai, Myeong-cheol Kim, Kwan-heum Lee, Do-hyoung Kim, Jin-wook Lee, Seung-mo Ha, Dong-Hoon Khang
  • Publication number: 20200027786
    Abstract: A semiconductor device includes gates extending in a first direction on a substrate, each gate of the gates including a gate insulation layer, a gate electrode, and a first spacer, first contact plugs contacting the substrate between adjacent ones of the gates, the first contact plugs being spaced apart from sidewalls of corresponding ones of the gates, a second contact plug contacting an upper surface of a corresponding gate electrode, the second contact plug being between first contact plugs, and an insulation spacer in a gap between the second contact plug and an adjacent first contact plug, the insulation spacer contacting sidewalls of the second contact plug and the adjacent first contact plug, and upper surfaces of the second contact plug and the adjacent first contact plug being substantially coplanar with each other.
    Type: Application
    Filed: February 22, 2019
    Publication date: January 23, 2020
    Inventors: Sang-Hyun LEE, Sung-Woo KANG, Keun-Hee BAI, Hak-Yoon AHN, Seong-Han OH, Young-Mook OH
  • Patent number: 10446561
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: October 15, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Publication number: 20190295889
    Abstract: A semiconductor device with improved product reliability and a method of fabricating the semiconductor are provided. The semiconductor device includes a substrate, a gate electrode on the substrate, a first spacer on a sidewall of the gate electrode, a conductive contact on a sidewall of the first spacer to protrude beyond a top surface of the gate electrode, a trench defined by the top surface of the gate electrode, a top surface of the first spacer, and sidewalls of the contact, an etching stop layer extending along at least parts of sidewalls of the trench and a bottom surface of the trench, and a capping pattern on the etching stop layer to fill the trench, wherein the capping pattern includes silicon oxide or a low-k material having a lower permittivity than silicon oxide.
    Type: Application
    Filed: October 31, 2018
    Publication date: September 26, 2019
    Inventors: Keun Hee BAI, Sung Woo KANG, Kee Sang KWON, Dong Seok LEE, Sang Hyun LEE, Jeong Yun LEE, Yong-Ho JEON
  • Publication number: 20190214394
    Abstract: A semiconductor device includes a substrate, a fin active region pattern on the substrate, the fin active region pattern including an upper region and a lower region, a device isolation layer pattern surrounding the fin active region pattern, a gate pattern on the upper region of the fin active region pattern, and a stressor on the lower region of the fin active region pattern, wherein a top surface of the device isolation layer pattern is lower than a top surface of the upper region and higher than a top surface of the lower region.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 11, 2019
    Inventors: Keun-hee BAI, Myeong-cheol KIM, Kwan-heum LEE, Do-hyoung KIM, Jin-wook LEE, Seung-mo HA, Dong-Hoon KHANG
  • Patent number: 10304840
    Abstract: A semiconductor device includes a substrate, a fin active region pattern on the substrate, the fin active region pattern including an upper region and a lower region, a device isolation layer pattern surrounding the fin active region pattern, a gate pattern on the upper region of the fin active region pattern, and a stressor on the lower region of the fin active region pattern, wherein a top surface of the device isolation layer pattern is lower than a top surface of the upper region and higher than a top surface of the lower region.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: May 28, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun-hee Bai, Myeong-cheol Kim, Kwan-heum Lee, Do-hyoung Kim, Jin-wook Lee, Seung-mo Ha, Dong-Hoon Khang
  • Publication number: 20180374859
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Application
    Filed: August 29, 2018
    Publication date: December 27, 2018
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Patent number: 10096605
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: October 9, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Patent number: 9947672
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: April 17, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Publication number: 20170345825
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Application
    Filed: August 18, 2017
    Publication date: November 30, 2017
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Patent number: 9755079
    Abstract: Semiconductor devices are provided including a first active fin extending in a first direction and a second active fin spaced apart from the first active fin in a second direction perpendicular to the first direction, the second active fin extending in the first direction, the second active fin having a longer side shorter than a length of a longer side of the first active fin. A first dummy gate extends in the second direction overlapping a first end of each of the first and second active fins. A first metal gate extends in the second direction intersecting the first active fin and overlapping a second end of the second active fin. A first insulating gate extends in the second direction intersecting the first active fin. The first insulating gate extends into the first active fin.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: September 5, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Keun-Hee Bai, Kyoung-Hwan Yeo, Bo-Un Yoon, Kee-Sang Kwon, Do-Hyoung Kim, Ha-Young Jeon, Seung-Seok Ha
  • Patent number: 9741854
    Abstract: There is provided a method for manufacturing a semiconductor device including a substrate including a plurality of active regions, a plurality of gate electrodes extending in a first direction to intersect a portion of the plurality of active regions, and including first and second gate electrodes disposed to be adjacent to each other in the first direction, a gate isolation portion disposed between the first and second gate electrodes. The gate isolation portion includes a first layer and second layers disposed on both ends of the first layer in a second direction perpendicular to the first direction.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: August 22, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Keun Hee Bai, Kyoung Hwan Yeo, Seung Seok Ha, Seung Ju Park, Do Hyoung Kim, Myeong Cheol Kim, Jae Hyoung Koo, Ki Byung Park
  • Publication number: 20170084617
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Application
    Filed: December 7, 2016
    Publication date: March 23, 2017
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Patent number: 9548309
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: January 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon
  • Publication number: 20160358925
    Abstract: A semiconductor device includes a substrate, a fin active region pattern on the substrate, the fin active region pattern including an upper region and a lower region, a device isolation layer pattern surrounding the fin active region pattern, a gate pattern on the upper region of the fin active region pattern, and a stressor on the lower region of the fin active region pattern, wherein a top surface of the device isolation layer pattern is lower than a top surface of the upper region and higher than a top surface of the lower region.
    Type: Application
    Filed: March 30, 2016
    Publication date: December 8, 2016
    Inventors: Keun-hee BAI, Myeong-cheol KIM, Kwan-heum LEE, Do-hyoung KIM, Jin-wook LEE, Seung-mo HA, Dong-Hoon KHANG
  • Publication number: 20160268414
    Abstract: Semiconductor devices are provided including a first active fin extending in a first direction and a second active fin spaced apart from the first active fin in a second direction perpendicular to the first direction, the second active fin extending in the first direction, the second active fin having a longer side shorter than a length of a longer side of the first active fin. A first dummy gate extends in the second direction overlapping a first end of each of the first and second active fins. A first metal gate extends in the second direction intersecting the first active fin and overlapping a second end of the second active fin. A first insulating gate extends in the second direction intersecting the first active fin. The first insulating gate extends into the first active fin.
    Type: Application
    Filed: January 19, 2016
    Publication date: September 15, 2016
    Inventors: Sang-Jine PARK, Keun-Hee BAI, Kyoung-Hwan YEO, Bo-Un YOON, Kee-Sang KWON, Do-Hyoung KIM, Ha-Young JEON, Seung-Seok HA
  • Publication number: 20160181425
    Abstract: There is provided a method for manufacturing a semiconductor device including a substrate including a plurality of active regions, a plurality of gate electrodes extending in a first direction to intersect a portion of the plurality of active regions, and including first and second gate electrodes disposed to be adjacent to each other in the first direction, a gate isolation portion disposed between the first and second gate electrodes. The gate isolation portion includes a first layer and second layers disposed on both ends of the first layer in a second direction perpendicular to the first direction.
    Type: Application
    Filed: December 4, 2015
    Publication date: June 23, 2016
    Inventors: Keun Hee BAI, Kyoung Hwan YEO, Seung Seok HA, Seung Ju PARK, Do Hyoung KIM, Myeong Cheol KIM, Jae Hyoung KOO, Ki Byung PARK
  • Publication number: 20160163718
    Abstract: Semiconductor devices including a dummy gate structure on a fin are provided. A semiconductor device includes a fin protruding from a substrate. The semiconductor device includes a source/drain region in the fin, and a recess region of the fin that is between first and second portions of the source/drain region. Moreover, the semiconductor device includes a dummy gate structure overlapping the recess region, and a spacer that is on the fin and adjacent a sidewall of the dummy gate structure.
    Type: Application
    Filed: February 18, 2016
    Publication date: June 9, 2016
    Inventors: Sang-Jine Park, Kee-Sang Kwon, Do-Hyoung Kim, Bo-Un Yoon, Keun-Hee Bai, Kwang-Yong Yang, Kyoung-Hwan Yeo, Yong-Ho Jeon