Patents by Inventor Tetsuya Miyashita

Tetsuya Miyashita 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: 11901166
    Abstract: A magnetron sputtering apparatus is provided. The apparatus comprises: a vacuum chamber storing a substrate; a plurality of sputtering mechanisms, each including a target having one surface facing the inside of the vacuum chamber, a magnet array, and a moving mechanism for reciprocating the magnet array between a first position and a second position on the other surface of the target; a power supply for forming plasma by supplying power to targets of selected sputtering mechanisms for film formation; a gas supplier for supplying a gas for plasma formation into the vacuum chamber; and a controller for outputting a control signal, in performing the film formation, such that magnet arrays of selected and unselected sputtering mechanisms, extension lines of moving paths of the magnet arrays thereof intersecting each other in plan view, move synchronously or are located at certain positions so as to be distinct from each other.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: February 13, 2024
    Assignee: Tokyo Electron Limited
    Inventors: Tetsuya Miyashita, Kanto Nakamura, Yusuke Kikuchi
  • Publication number: 20230377927
    Abstract: A substrate transfer apparatus includes: a planar motor provided in a transfer chamber and having coils arranged therein; a transfer unit movable on the planar motor; and a control unit configured to control an energization of the coils. The transfer unit includes two bases having magnets arranged thereon and configured to be movable on the planar motor, a substrate support member configured to support a substrate, and a link mechanism configured to connect the two bases and the substrate support member to each other.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 23, 2023
    Inventors: Tatsuo HATANO, Tetsuya MIYASHITA, Naoki WATANABE, Naoyuki SUZUKI
  • Patent number: 11823879
    Abstract: There is provided a film formation apparatus which forms a film on a substrate by sputtering. The apparatus comprises: a substrate holder configured to hold the substrate; and a plurality of cathodes configured to hold targets that emit sputtered particles, and connected to a power supply. At least one of the plurality of cathodes holds the targets of a plurality of types.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: November 21, 2023
    Assignee: Tokyo Electron Limited
    Inventors: Masato Shinada, Tetsuya Miyashita, Naoki Watanabe
  • Patent number: 11764092
    Abstract: The substrate transfer apparatus includes a planar motor provided in a transfer chamber and having coils arranged therein; a transfer unit movable on the planar motor; and a control unit configured to control an energization of the coils. The transfer unit includes two bases having magnets arranged thereon and configured to be movable on the planar motor, a substrate support member configured to support a substrate, and a link mechanism configured to connect the two bases and the substrate support member to each other.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 19, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tatsuo Hatano, Tetsuya Miyashita, Naoki Watanabe, Naoyuki Suzuki
  • Publication number: 20230051865
    Abstract: The PVD apparatus includes a chamber, a plurality of stages, a first target holder, a power supply mechanism, and a shield. The plurality of stages are provided inside the chamber, and each of the plurality of stages is configured to place at least one substrate on an upper surface thereof. The first target holder is configured to hold at least one target provided for one stage, the target being exposed to a space inside the chamber. The power supply mechanism supplies power to the target via the first target holder. The shield is provided inside the chamber and a part of the shield is disposed between a first stage and a second stage in the plurality of stages, and between a first processing space on the first stage and a second processing space on the second stage.
    Type: Application
    Filed: October 28, 2022
    Publication date: February 16, 2023
    Applicant: Tokyo Electron Limited
    Inventors: Takuya SEINO, Yasushi KODASHIMA, Naoki WATANABE, Hiroyuki TOSHIMA, Masato SHINADA, Tetsuya MIYASHITA
  • Patent number: 11542592
    Abstract: A film forming system comprises a chamber, a stage, a holder, a cathode magnet, a shield, a first moving mechanism, and a second moving mechanism. The chamber provides a processing space. The stage is provided in the processing space and configured to support a substrate. The holder is configured to hold a target that is provided in the processing space. The cathode magnet is provided outside the chamber with respect to the target. The shield has a slit and is configured to block particles released from the target around the slit. The first moving mechanism is configured to move the shield between the stage and the target along a scanning direction substantially parallel to a surface of the substrate mounted on the stage. The second moving mechanism is configured to move the cathode magnet along the scanning direction.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: January 3, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Masato Shinada, Naoki Watanabe, Tetsuya Miyashita, Hiroaki Chihaya
  • Publication number: 20220415688
    Abstract: The present disclosure provides a substrate transfer apparatus. According to an aspect of the present disclosure, the substrate transfer apparatus includes: a planar motor provided in a transfer chamber and having coils arranged therein; a transfer unit movable on the planar motor; and a control unit configured to control an energization of the coils. The transfer unit includes two bases having magnets arranged thereon and configured to be movable on the planar motor, a substrate support member configured to support a substrate, and a link mechanism configured to connect the two bases and the substrate support member to each other.
    Type: Application
    Filed: November 20, 2020
    Publication date: December 29, 2022
    Inventors: Tatsuo HATANO, Tetsuya MIYASHITA, Naoki WATANABE, Naoyuki SUZUKI
  • Publication number: 20220415687
    Abstract: A substrate transfer device, includes: a first planar motor installed in a first chamber and having an array of coils; a second planar motor installed in a second chamber connected to the first chamber and having an array of coils; a pair of transfer units configured to move on at least one of the first planar motor and the second planar motor and configured to transfer a substrate; and a controller configured to control supply of electric current to the coils of the first planar motor and the second planar motor.
    Type: Application
    Filed: November 20, 2020
    Publication date: December 29, 2022
    Inventors: Tatsuo HATANO, Tetsuya MIYASHITA, Naoki WATANABE, Naoyuki SUZUKI
  • Publication number: 20220328343
    Abstract: A processing method for processing a substrate includes: a first arrangement step of mounting, on a stage provided in a processing container to mount the substrate on the stage, a plate-shaped protective member which is prepared in advance at a location in the processing container different from a location on the stage and which is configured to protect an upper surface of the stage; an adjustment step of adjusting a distance between the stage and an annular cover member provided above an edge portion of the stage to a second distance different from a first distance between the stage and the cover member when the substrate is processed; and a pretreatment step of performing a pretreatment in the processing container to change a state in the processing container to a predetermined state, wherein the protective member has a thickness different from a thickness of the substrate.
    Type: Application
    Filed: April 5, 2022
    Publication date: October 13, 2022
    Inventors: Takuya UMISE, Masato SHINADA, Tetsuya MIYASHITA
  • Publication number: 20220285197
    Abstract: A substrate processing apparatus includes: a stage including an electrostatic chuck configured to attract a substrate; a heater configured to heat the stage; a heating drive part configured to supply power to the heater so that a temperature of the stage becomes a target value; and a detector configured to detect an abnormality in attraction of the substrate by the electrostatic chuck, wherein the detector is further configured to detect the abnormality based on fluctuation of the power supplied to the heater, the fluctuation being generated by the attraction of the substrate by the electrostatic chuck.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 8, 2022
    Inventors: Hiroaki CHIHAYA, Yasuhiko KOJIMA, Einstein Noel ABARRA, Tetsuya MIYASHITA
  • Publication number: 20220285182
    Abstract: A substrate processing apparatus includes: a stage having an electrostatic chuck configured to attract a substrate; a measurement part configured to measure a temperature of the stage; and a detection part configured to detect an abnormality caused by attraction of the substrate by the electrostatic chuck, based on a fluctuation of the temperature of the stage.
    Type: Application
    Filed: February 24, 2022
    Publication date: September 8, 2022
    Inventors: Hiroaki CHIHAYA, Tetsuya MIYASHITA, Einstein Noel ABARRA, Yasuhiko KOJIMA
  • Publication number: 20220270866
    Abstract: An apparatus for performing a sputtering process on a substrate includes: a processing container configured to accommodate a plurality of substrates; a plurality of stages provided inside the processing container to respectively place the plurality of substrates thereon and disposed to be arranged along a circle surrounding a preset center position; and a target disposed at a position above the stages to cause target particles to be emitted by plasma formed inside the processing container such that the target particles adhere to the substrates respectively placed on the stages, wherein the stages are arranged such that an emission region in which the target particles are emitted from the target and overlapping regions in which the substrates respectively placed on the stages overlap are arranged at positions that are rotationally symmetrical around the preset center position when viewed in a plan view from above the target.
    Type: Application
    Filed: February 21, 2022
    Publication date: August 25, 2022
    Inventors: Tetsuya MIYASHITA, Naoki WATANABE
  • Patent number: 11410837
    Abstract: A film-forming device according to one embodiment includes a chamber body, a support, a moving device, a shielding member, a first holder and a second holder, in the film-forming device, a substrate supported by the support is linearly moved. The shielding member is disposed above an area where the substrate is moved, and includes a slit extending in a direction perpendicular to a movement direction of the substrate. The first holder and the second holder hold a first target and a second target, respectively, above the shielding member. The first target and the second target are arranged symmetrically with respect to a vertical plane including a linear path on which the center of the substrate is moved.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: August 9, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Hiroyuki Toshima, Tatsuo Hatano, Tetsuya Miyashita, Shinji Furukawa, Junichi Takei
  • Publication number: 20220223390
    Abstract: There is provided a film formation apparatus which forms a film on a substrate by sputtering. The apparatus comprises: a substrate holder configured to hold the substrate; and a plurality of cathodes configured to hold targets that emit sputtered particles, and connected to a power supply. At least one of the plurality of cathodes holds the targets of a plurality of types.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 14, 2022
    Inventors: Masato SHINADA, Tetsuya MIYASHITA, Naoki WATANABE
  • Publication number: 20220208534
    Abstract: There is provided a sputtering apparatus comprising: a target from which sputtered particles are emitted; a substrate support configured to support a substrate; a substrate moving mechanism configured to move the substrate in one direction; and a shielding member disposed between the target and the substrate support and having an opening through which the sputtered particles pass. The shielding member includes a first shielding member and a second shielding member disposed in a vertical direction.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 30, 2022
    Inventors: Masato SHINADA, Tetsuya MIYASHITA, Einstein Noel ABARRA
  • Publication number: 20220178014
    Abstract: A film forming apparatus includes a processing container, a substrate holder configured to hold a substrate inside the processing container, a cathode unit disposed above the substrate holder, and a gas introducing mechanism configured to introduce a plasma generating gas into the processing container. The cathode unit includes a target, a power supply configured to supply electric power to the target, a magnet provided on a rear side of the target, and a magnet driving part configured to drive the magnet. The magnet driving part includes an oscillation driver configured to oscillate the magnet along the target, and a perpendicular driver configured to drive the magnet in a direction perpendicular to a main surface of the target independently of driving performed by the oscillation driver. Sputtered particles are deposited on the substrate by magnetron sputtering.
    Type: Application
    Filed: July 2, 2020
    Publication date: June 9, 2022
    Inventors: Koji MAEDA, Atsushi SHIMADA, Katsushi OIKAWA, Tetsuya MIYASHITA
  • Publication number: 20220108880
    Abstract: A magnetron sputtering apparatus is provided. The apparatus comprises: a vacuum chamber storing a substrate; a plurality of sputtering mechanisms, each including a target having one surface facing the inside of the vacuum chamber, a magnet array, and a moving mechanism for reciprocating the magnet array between a first position and a second position on the other surface of the target; a power supply for forming plasma by supplying power to targets of selected sputtering mechanisms for film formation; a gas supplier for supplying a gas for plasma formation into the vacuum chamber; and a controller for outputting a control signal, in performing the film formation, such that magnet arrays of selected and unselected sputtering mechanisms, extension lines of moving paths of the magnet arrays thereof intersecting each other in plan view, move synchronously or are located at certain positions so as to be distinct from each other.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Tetsuya MIYASHITA, Kanto NAKAMURA, Yusuke KIKUCHI
  • Publication number: 20220081757
    Abstract: A film forming apparatus is provided. The apparatus comprises a processing chamber accommodating a plurality of substrates; a plurality of substrate supporting units disposed in the processing chamber and configured to place the substrates thereon; a substrate moving mechanism configured to linearly move the substrate supporting units in a first direction; sputter particle emitting units, each having a target for emitting sputter particles into the processing chamber; and a controller configured to control the sputter particle emitting units and the substrate moving mechanism. The controller controls the substrate moving mechanism to linearly move the substrate supporting units on which the substrates are placed in the first direction and controls the sputter particle emitting units to emit sputter particles to be deposited on the substrates.
    Type: Application
    Filed: September 8, 2021
    Publication date: March 17, 2022
    Inventors: Masato Shinada, Naoki Watanabe, Tetsuya Miyashita, Hiroyuki Toshima, Einstein Noel Abarra, Shota Ishibashi
  • Publication number: 20220037181
    Abstract: A vacuum transfer device configured to transfer a substrate in a vacuum includes: a flat motor including a body, a plurality of electromagnetic coils arrayed in the body, and a current controller that controls a current supplied to the electromagnetic coil; a transfer unit including a substrate holder configured to hold a substrate, and a base having a plurality of magnets arrayed therein and magnetically levitating from a surface of the body by a magnetic field generated by the electromagnetic coil, and move in a magnetically levitating state thereby moving the substrate holder; and a temperature controller configured to adjust temperature of at least a portion of the body. The temperature of the transfer unit is adjusted by stopping the magnetic levitation of the base by controlling the current supplied to the electromagnetic coil, and bringing the base into contact with a temperature-adjusted portion of the body.
    Type: Application
    Filed: July 21, 2021
    Publication date: February 3, 2022
    Inventors: Tatsuo HATANO, Naoki WATANABE, Tetsuya MIYASHITA
  • Patent number: 11193200
    Abstract: Disclosed is a PVD processing method including a first process, a second process, a third process, and a fourth process. In the first process, an opening of a shield, which is provided between a first target containing a metal oxide and a second target containing a metal constituting the metal oxide, and a stage on which a substrate as a film formation object is placed, is made to coincide with the first target so as to expose the first target to the stage and the opening is brought close to the first target. In the second process, sputtering is performed using the first target. In the third process, the opening is made to coincide with the second target so as to expose the first target to the stage, and the opening is brought close to the second target. In the fourth process, sputtering is performed using the second target.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: December 7, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Koji Maeda, Hiroyuki Yokohara, Hiroshi Sone, Tetsuya Miyashita