Patents Assigned to PSK Inc.
  • Patent number: 12278091
    Abstract: Provided is a substrate processing apparatus including: a chuck configured to support a substrate; a dielectric plate disposed to face an upper surface of the substrate supported by the chuck; a gas supply unit configured to supply process gas to an edge region of the substrate; and a first edge electrode configured to generate plasma from the process gas to the edge region of the substrate supported by the chuck, in which the first edge electrode includes: a plurality of electrode units; and one or more insulating units provided between the electrode units.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: April 15, 2025
    Assignee: PSK INC.
    Inventors: Kwang Sung Yoo, A Ram Kim, Song I Han
  • Publication number: 20250095972
    Abstract: The present disclosure provides a substrate processing apparatus. The substrate processing apparatus includes a chamber defining a processing space, a gas supply unit supplying a process gas to the processing space, and a support unit supporting a substrate in the processing space, wherein the support unit includes a chuck supporting the substrate, a power applying RF power to the chuck, and an ionization path through which static electricity generated in the chuck is removed.
    Type: Application
    Filed: January 4, 2022
    Publication date: March 20, 2025
    Applicant: PSK INC.
    Inventor: Yong Soo YANG
  • Publication number: 20250079133
    Abstract: The present disclosure provides an apparatus for treating a substrate. The apparatus includes a chuck supporting the substrate, a gas supply unit configured to supply a process gas to an edge region of the substrate, and an edge electrode provided to surround the substrate supported by the chuck when viewed from a top and configured to generate plasma from the gas, in which the edge electrode has a ring shape and a groove recessed from an inner circumference of the edge electrode to an outer circumference of the edge electrode when viewed from the top is formed in the edge electrode.
    Type: Application
    Filed: December 2, 2021
    Publication date: March 6, 2025
    Applicant: PSK INC.
    Inventors: Kwang Sung YOO, Tae Hwan YOUN, Geon Jong KIM
  • Publication number: 20240297023
    Abstract: A substrate processing apparatus is provided. The substrate processing apparatus includes a housing having an interior space, a lower electrode unit supporting a substrate in the interior space, an upper electrode unit facing the lower electrode unit, and a gas supply unit supplying a process gas to the interior space, wherein the upper electrode unit includes a dielectric plate facing an upper surface of the substrate supported by the lower electrode unit, a support body supporting the dielectric plate, wherein the support body and the dielectric plate are combined with each other to form a buffer space and the gas supply unit supplies the process gas to the interior space via the buffer space, and a baffle ring disposed on a flow path of the process gas flowing from the buffer space to the interior space.
    Type: Application
    Filed: December 2, 2021
    Publication date: September 5, 2024
    Applicant: PSK INC.
    Inventors: Kwang Sung YOO, Jong Chan LEE, Seong Min NAM
  • Publication number: 20240274411
    Abstract: Provided is an apparatus for treating a substrate. The apparatus for treating the substrate includes a housing defining a treatment space formed by a combination of an upper housing and a lower housing, a gas supply unit configured to supply gas to the treatment space, a support unit including a chuck configured to support the substrate in the treatment space and an upper electrode provided to surround the check when viewed from a top view, a dielectric plate unit including a dielectric plate arranged to oppose the substrate supported by the support unit in the treatment space, and an upper electrode unit coupled to the dielectric plate unit and including an upper electrode arranged to oppose the lower electrode, in which the upper electrode unit is coupled to the lower housing.
    Type: Application
    Filed: December 2, 2021
    Publication date: August 15, 2024
    Applicant: PSK INC.
    Inventors: Kwang Sung YOO, Ju Young PARK
  • Publication number: 20240274409
    Abstract: An apparatus for treating a substrate includes a housing including an open top and a treatment space therein, a gas supply unit configured to supply gas to the treatment space, a support unit including a chuck configured to support the substrate in the treatment space and an upper electrode provided to surround the check when viewed from the top, a dielectric plate unit including a dielectric plate arranged to oppose the substrate supported by the support unit in the treatment space, an upper electrode unit coupled to the dielectric plate unit and including an upper electrode arranged to oppose the lower electrode, and an aligning unit configured to align a horizontal arrangement of the dielectric plate unit, in which a lid extending from the housing in the horizontal direction and coupled to the upper electrode unit is provided on the housing, and the aligning unit is coupled to the lid.
    Type: Application
    Filed: October 29, 2021
    Publication date: August 15, 2024
    Applicant: PSK INC.
    Inventors: Kwang-Sung YOO, Ju-Yong PARK
  • Patent number: 12062525
    Abstract: A substrate treating apparatus includes a housing, treating space and support unit to support a substrate, dielectric plate, gas supply unit, and plasma source to generate a plasma and including a top edge electrode above the edge region supported by the support unit and bottom edge electrode below the edge region supported by the support unit, which includes a support plate having an inner space and vacuum hole that communicates with the inner space and sucking the substrate on the top surface. A lift pin assembly can transfer the substrate between an outside transfer unit and the support plate. A decompression unit can apply negative pressure to the inner space. The lift pin assembly includes a base plate and through hole penetrating the base plate to provide negative pressure in a region under the base plate to a region over the base plate. Lift pins protrude from the base plate and support a bottom substrate surface. A driver can lift/lower the base plate within the inner space.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: August 13, 2024
    Assignee: PSK, Inc.
    Inventors: Jong Chan Lee, Ju Young Park, Jun Young Cho, Hyeon Gyeong Shin
  • Publication number: 20240071783
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a housing having a treating space; a support unit configured to support a substrate at the treating space; and a gas supply unit configured to supply a gas which is excited to a plasma to the treating space, and wherein the support unit includes: a chuck supporting a center region of the substrate; and an edge electrode formed in a ring shape, and wherein the edge electrode includes: a body portion surrounding the chuck at an outer side of the chuck; and a protrusion portion formed protruding to an outer side of the body portion, and a hole is formed at the protrusion portion penetrating the protrusion portion and which exhausts an atmosphere of the treating space.
    Type: Application
    Filed: August 3, 2023
    Publication date: February 29, 2024
    Applicant: PSK INC.
    Inventors: Kwang Sung YOO, Jong Chan LEE
  • Publication number: 20240021418
    Abstract: The inventive concept provides a substrate treating apparatus. The substrate treating apparatus includes a housing having a treating space; a support unit configured to support a substate within the treating space; and a plasma source for generating a plasma by exciting a gas supplied to the treating space, and wherein the support unit includes: a chuck having the substrate mounted to a top surface thereof; and a ring member in a ring shape surrounding an outer side of the chuck, and the ring member includes a cut surface which divides the ring member and a holding member positioned at the cut surface which holds a position of the ring member which is divided by the cut surface.
    Type: Application
    Filed: July 14, 2023
    Publication date: January 18, 2024
    Applicant: PSK INC.
    Inventors: Kwang Sung YOO, Tae Hwan YOUN, Hyeon Won JUNG
  • Patent number: 11862434
    Abstract: Embodiments of the inventive concept provide a substrate processing apparatus. The substrate treating apparatus comprises a process treating unit providing a treating space performed treating the substrate; a plasma generating unit generating the plasma discharging a process gas, and supplying the plasma to the treating space. The plasma generating unit provides a plasma chamber having a generating space of the plasma; an antenna wound to surround the plasma chamber outside the plasma chamber; a first coating film covering inside walls of the plasma chamber and comprising yttrium fluoride (YF3).
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: January 2, 2024
    Assignee: PSK INC.
    Inventors: Young Jae Ma, Sung Jin Yoon, Hyo Jeong Seo, Jong Woo Park
  • Patent number: 11817291
    Abstract: The inventive concept relates to an apparatus for processing a substrate. In an embodiment, the apparatus for processing the substrate includes a plasma chamber, a coil electrode installed around the plasma chamber, and a Faraday shield provided between the coil electrode and the plasma chamber. The Faraday shield includes a cutout having a plurality of slots formed in a vertical direction along a periphery of the plasma chamber, an upper rim provided at the top of the cutout, and a lower rim provided at the bottom of the cutout. The upper rim and the lower rim have a thermal expansion reduction means configured to reduce a difference in thermal deformation between the upper and the lower rim and the cutout.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: November 14, 2023
    Assignee: PSK INC.
    Inventor: Mu-Kyeom Mun
  • Publication number: 20230335381
    Abstract: A substrate processing apparatus is provided. The substrate processing apparatus includes a chuck supporting a substrate, a gas supply unit configured to supply a process gas to an edge region of the substrate supported on the chuck, and an edge electrode provided to surround the substrate supported on the chuck when viewed from above and to generate plasma from the gas, wherein the edge electrode has a ring shape and a groove recessed in a direction from an inner periphery of the edge electrode to an outer periphery of the edge electrode when viewed from above is formed in the edge electrode.
    Type: Application
    Filed: October 29, 2021
    Publication date: October 19, 2023
    Applicant: PSK INC.
    Inventor: Kwang-Sung YOO
  • Patent number: 11776791
    Abstract: A substrate processing apparatus are provided. The substrate processing apparatus allows a supply flow rate per unit time for process gas supplied to the central area of a substrate to be greater than a supply flow rate per unit time for process gas supplied to an edge area of the substrate, when processing the edge area of the substrate supported by the chuck.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: October 3, 2023
    Assignee: PSK INC.
    Inventors: Jong Chan Lee, Geon Jong Kim, Kwang Sung Yoo, Seok June Yun
  • Publication number: 20230068224
    Abstract: Provided is a substrate processing apparatus including: a chuck configured to support a substrate; a dielectric plate disposed to face an upper surface of the substrate supported by the chuck; a gas supply unit configured to supply process gas to an edge region of the substrate; and a first edge electrode configured to generate plasma from the process gas to the edge region of the substrate supported by the chuck, in which the first edge electrode includes: a plurality of electrode units; and one or more insulating units provided between the electrode units.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 2, 2023
    Applicant: PSK INC.
    Inventors: Kwang Sung YOO, A Ram KIM, Song I HAN
  • Patent number: 11302558
    Abstract: An apparatus for processing a substrate includes a housing having a processing space therein, a transfer robot that loads the substrate into the processing space or unloads the substrate from the processing space, a support unit including a chuck that supports the substrate in the processing space and a lift pin that moves the substrate in an up-down direction, a dielectric plate having a lower surface disposed to face an upper surface of the chuck, and a gap measurement unit that measures a gap between the dielectric plate and the substrate supported by the lift pin or a gap between the dielectric plate and the chuck.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: April 12, 2022
    Assignee: PSK INC.
    Inventors: Jong Chan Lee, Min Ho Choi, You Jin Choi, Da In Kim
  • Patent number: 11295933
    Abstract: An apparatus for processing a substrate is provided. The apparatus for processing the substrate includes a housing having a process space, a gas supply unit to supply gas into the process space, a support unit including a chuck to support the substrate in the process space and a lower electrode to surround the chuck when viewed from a top, a temperature adjusting plate provided in the housing, a dielectric plate unit coupled to the temperature adjusting plate, and having a dielectric plate disposed in opposite to the substrate supported by the support unit in the process space, and an upper electrode unit coupled to the temperature adjusting plate, and having an upper electrode disposed in opposition to the lower electrode. The dielectric plate unit includes a first base disposed between the dielectric plate and the temperature adjusting plate.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: April 5, 2022
    Assignee: PSK INC.
    Inventors: Geon Jong Kim, Tae Hwan Youn, Jong Chan Lee
  • Patent number: 11139152
    Abstract: The inventive concept relates to an apparatus for processing a substrate. The substrate processing apparatus includes a scatter that is disposed over a baffle and that separates plasma and impurities. The scatter includes a plate having a first opening formed in a central area thereof when viewed from above and a collision block that is disposed over the first opening to face the first opening and that collides with plasma supplied from a plasma generation unit and impurities.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: October 5, 2021
    Assignee: PSK INC.
    Inventor: Hung Sheng Wang
  • Patent number: 10964565
    Abstract: Disclosed is a substrate processing apparatus that includes an interference member for minimizing a collision between a descending flow of gas supplied by a fan unit and a gas flow directed toward a transfer space from the inside of a container.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: March 30, 2021
    Assignees: PSK INC., PSK HOLDINGS INC.
    Inventors: Je Hyeok Ryu, Jae Kyeong Yoo, Jung-Hyun Kang
  • Patent number: 10395898
    Abstract: Disclosed are a substrate treating apparatus, a substrate treating method, and a plasma generating unit. The substrate treating apparatus includes a housing configured to provide a treatment space, in which a substrate is treated, a support unit configured to support a substrate in the treatment space, a plasma generating unit disposed outside the housing and configured to excite plasma from a gas and supply the excited plasma to the treatment space, and a controller, wherein the plasma generating unit includes a plasma generating chamber having a space, into which a gas is introduced, a first antenna wound to surround the plasma generating chamber and connected to a power source through an electric wire, a second antenna wound around the plasma generating chamber and connected to the power source through an auxiliary electric wire, and a switch configured to switch on and off the auxiliary electric wire.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: August 27, 2019
    Assignee: PSK INC.
    Inventor: Aram Kim
  • Patent number: 10312060
    Abstract: Provided are a plasma generating apparatus using mutual inductive coupling and a substrate treating apparatus including the same. According to an embodiment of the present invention, a plasma generating apparatus includes: an RF power supply providing an RF signal; a plurality of electromagnetic field applying units inducing an electromagnetic field by receiving the RF signal; and a reactance element connected to a ground terminal of the electromagnetic field applying unit, wherein each of the electromagnetic field applying units may include a plurality of mutually-inductively coupled coils.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: June 4, 2019
    Assignee: PSK INC.
    Inventors: Hee Sun Chae, Jeong Hee Cho, Jong Sik Lee, Han Saem Rhee, Hyun Jun Kim