Patents by Inventor Yang-Beom Kang

Yang-Beom Kang 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: 20240112948
    Abstract: A manufacturing method for a semiconductor device, includes: forming a first gate structure and a second gate structure on a substrate; forming a deep trench isolation (DTI) hard mask on the first and second gate structures; forming a deep trench isolation disposed between the first gate structure and the second gate structure; depositing a first undoped oxide layer in the deep trench isolation; performing a first etch-back process on the first undoped oxide layer to remove a portion of the undoped oxide layer; depositing a first deep trench isolation (DTI) gap-fill layer on a remaining portion of the undoped oxide layer, and performing a second etch-back process on the first DTI gap-fill layer; depositing a second DTI gap-fill layer to seal the deep trench isolation, and forming a planarized second DTI gap-fill layer by a planarization process; and depositing a second undoped layer on the planarized second DTI gap-fill layer.
    Type: Application
    Filed: February 28, 2023
    Publication date: April 4, 2024
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Yang Beom KANG, Sang Min HAN, Seong Hyun KIM
  • Publication number: 20230317777
    Abstract: A semiconductor device is provided. The semiconductor device includes a first region having a first gate structure disposed on a substrate and a second region having a second gate structure disposed on the substrate, a hard mask formed on the substrate, the first gate structure, and the second gate structure, a deep trench formed in the substrate between the first region and the second region, and formed to penetrate the hard mask to reach an inside of the substrate, and a planarized gap-fill insulating layer formed on the second gate structure and formed inside the deep trench. A topmost surface of the planarized gap-fill insulating layer and a topmost surface of the hard mask are coplanar.
    Type: Application
    Filed: February 22, 2023
    Publication date: October 5, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Min Kuck CHO, Jung Hwan LEE, Yang Beom KANG, Hyun Chul KIM
  • Publication number: 20230247830
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 3, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Yang Beom KANG, Jung Hwan LEE, Min Kuck CHO, Hyun Chul KIM
  • Publication number: 20230207394
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom KANG, Kang Sup SHIN
  • Patent number: 11665896
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: May 30, 2023
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il Kim, Yang Beom Kang, Jung Hwan Lee, Min Kuck Cho, Hyun Chul Kim
  • Patent number: 11615989
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Grant
    Filed: May 11, 2022
    Date of Patent: March 28, 2023
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom Kang, Kang Sup Shin
  • Publication number: 20230036029
    Abstract: A manufacturing method of a non-volatile memory device, includes forming a floating gate on a substrate, depositing a first insulating layer on the floating gate, depositing a second insulating layer on the first insulating layer, depositing a third insulating layer on the second insulating layer, performing a first etch-back process on the third insulating layer to form a spacer-shaped third insulating layer on the second insulating layer, performing a second etch-back process on the second insulating layer to form a spacer-shaped second insulating layer on the first insulating layer, and performing a wet etching to remove the spacer-shaped third insulating layer to form a spacer-shaped first insulating layer and the spacer-shaped second insulating layer on the floating gate.
    Type: Application
    Filed: January 13, 2022
    Publication date: February 2, 2023
    Applicant: KEY FOUNDRY CO., LTD.
    Inventor: Yang Beom KANG
  • Publication number: 20220384595
    Abstract: A deep trench layout implementation for a semiconductor device is provided. The semiconductor device includes an isolation film with a shallow depth, an active area, and a gate electrode formed in a substrate; a deep trench isolation surrounding the gate electrode and having one or more trench corners; and a gap-fill insulating film formed inside the deep trench isolation. The one or more trench corners is formed in a slanted shape from a top view.
    Type: Application
    Filed: December 23, 2021
    Publication date: December 1, 2022
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom KANG, Sang Uk LEE
  • Publication number: 20220270932
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Application
    Filed: May 11, 2022
    Publication date: August 25, 2022
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom KANG, Kang Sup SHIN
  • Patent number: 11367661
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: June 21, 2022
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom Kang, Kang Sup Shin
  • Publication number: 20220157840
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Application
    Filed: February 7, 2022
    Publication date: May 19, 2022
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Yang Beom KANG, Jung Hwan LEE, Min Kuck CHO, Hyun Chul KIM
  • Patent number: 11289498
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: March 29, 2022
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il Kim, Yang Beom Kang, Jung Hwan Lee, Min Kuck Cho, Hyun Chul Kim
  • Patent number: 11018060
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 25, 2021
    Assignee: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom Kang, Kang Sup Shin
  • Publication number: 20210066134
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Yang Beom KANG, Kang Sup SHIN
  • Publication number: 20210028183
    Abstract: A semiconductor device include a nonvolatile memory device, including a first well region formed in a substrate, a tunneling gate insulator formed on the first well region, a floating gate formed on the tunneling gate insulator, a control gate insulator formed on the substrate, a control gate formed on the control gate insulator, and a first source region and a first drain region formed on opposite sides of the control gate, respectively, and a first logic device, including a first logic well region formed in the substrate, a first logic gate insulator formed on the first logic well region, a first logic gate formed on the first logic gate insulator, wherein the first logic gate comprises substantially a same material as a material of the control gate of the nonvolatile memory device.
    Type: Application
    Filed: February 26, 2020
    Publication date: January 28, 2021
    Applicant: KEY FOUNDRY CO., LTD.
    Inventors: Kwang Il KIM, Yang Beom KANG, Jung Hwan LEE, Min Kuck CHO, Hyun Chul KIM
  • Publication number: 20200343145
    Abstract: A semiconductor device includes etch stop films formed on the first gate electrode, the first source region, the first drain region, and the shallow trench isolation regions, respectively. First interlayer insulating films are formed on the etch stop film, respectively. Deep trenches are formed in the substrate between adjacent ones of the first interlayer insulating films to overlap the shallow trench isolation regions. Sidewall insulating films are formed in the deep trenches, respectively. A gap-fill insulating film is formed on the sidewall insulating film. A second interlayer insulating film is formed on the gap-fill insulating film. A top surface of the second interlayer insulating film is substantially planar and a bottom surface of the second interlayer insulating film is undulating.
    Type: Application
    Filed: September 4, 2019
    Publication date: October 29, 2020
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Yang Beom KANG, Kang Sup SHIN
  • Patent number: 10529797
    Abstract: A semiconductor device includes a semiconductor region, deep trenches, a dielectric film, a conductive material, an interlayer insulating film, and a metal interconnection. The semiconductor region has a first conductivity type in a silicon substrate. The deep trenches are disposed in the semiconductor region. The dielectric film is disposed on sidewalls of the deep trenches. The conductive material is disposed on the dielectric film. The interlayer insulating film is disposed on upper surface portions of the deep trenches to create a void inside each of the deep trenches. The metal interconnection is disposed on the interlayer insulating film.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: January 7, 2020
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Yang Beom Kang, Kang Sup Shin
  • Publication number: 20190181217
    Abstract: A semiconductor device includes a semiconductor region, deep trenches, a dielectric film, a conductive material, an interlayer insulating film, and a metal interconnection. The semiconductor region has a first conductivity type in a silicon substrate. The deep trenches are disposed in the semiconductor region. The dielectric film is disposed on sidewalls of the deep trenches. The conductive material is disposed on the dielectric film. The interlayer insulating film is disposed on upper surface portions of the deep trenches to create a void inside each of the deep trenches. The metal interconnection is disposed on the interlayer insulating film.
    Type: Application
    Filed: June 6, 2018
    Publication date: June 13, 2019
    Applicant: MagnaChip Semiconductor, Ltd.
    Inventors: Yang Beom KANG, Kang Sup SHIN
  • Patent number: 9558992
    Abstract: A metal wiring for applying a voltage to a semiconductor component of a semiconductor device, the semiconductor device comprising a low voltage applying region adjacent to a high voltage applying region, is provide. The metal wiring includes: an isolator region, a first lower metal layer electrically connected to the semiconductor component, a first upper metal layer configured to be electrically connected to an external power supply, and a plurality of inter-metal dielectric layers deposited between the first lower metal layer and the first upper metal layer, each of the plurality of inter-metal dielectric layers comprising at least one contact plug for providing an electrical connection between the first lower metal layer and the first upper metal layer.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: January 31, 2017
    Assignee: Magnachip Semiconductor, Ltd.
    Inventors: Kwan Soo Kim, Tae Jong Lee, Kang Sup Shin, Si Bum Kim, Yang Beom Kang, Jong Yeul Jeong
  • Publication number: 20160225661
    Abstract: A metal wiring for applying a voltage to a semiconductor component of a semiconductor device, the semiconductor device comprising a low voltage applying region adjacent to a high voltage applying region, is provide. The metal wiring includes: an isolator region, a first lower metal layer electrically connected to the semiconductor component, a first upper metal layer configured to be electrically connected to an external power supply, and a plurality of inter-metal dielectric layers deposited between the first lower metal layer and the first upper metal layer, each of the plurality of inter-metal dielectric layers comprising at least one contact plug for providing an electrical connection between the first lower metal layer and the first upper metal layer.
    Type: Application
    Filed: April 5, 2016
    Publication date: August 4, 2016
    Applicant: MAGNACHIP SEMICONDUCTOR, LTD.
    Inventors: Kwan Soo KIM, Tae Jong LEE, Kang Sup SHIN, Si Bum KIM, Yang Beom KANG, Jong Yeul JEONG