Patents by Inventor Tomohito MATSUDA

Tomohito MATSUDA 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: 20230339055
    Abstract: There is provided a holding unit that holds a target object by a holding surface of a holding table. The holding unit includes a fixing mechanism that fixes the target object to the holding surface, a movement mechanism that moves the fixing mechanism, and a controller. The fixing mechanism includes a fastening member allowed to be disposed at a fixing position at which the fastening member fastens the target object and fixes the target object to the holding surface and a release position at which the fastening member releases the target object and a biasing member that biases the fastening member toward the side of the fixing position. The movement mechanism includes a pressing member that presses the fastening member and an actuator that moves the pressing member to position the fastening member to the release position.
    Type: Application
    Filed: April 12, 2023
    Publication date: October 26, 2023
    Inventors: Takayuki MASADA, Tomohito MATSUDA, Yuhei FUJII, Naoya TAKESUE
  • Publication number: 20230170246
    Abstract: An expanding apparatus includes a frame fixing part that fixes an annular frame of a workpiece unit, a holding table that holds a workpiece, an expanding unit that expands a sheet, a heating unit that heats the sheet between an outer circumferential side of the workpiece and an inner circumferential edge of the annular frame, and a cover that covers the workpiece held by the holding table. The cover covers the workpiece when the sheet is heated by the heating unit.
    Type: Application
    Filed: November 29, 2022
    Publication date: June 1, 2023
    Inventors: Tomohito Matsuda, Yuhei Fujii, Naoya Takesue, Takayuki Masada
  • Patent number: 11254029
    Abstract: A wafer dividing apparatus for dividing a wafer stuck to an adhesive tape and supported at an opening of a frame into individual chips along a scheduled division line is provided. The wafer dividing apparatus includes a cassette table movable upwardly and downwardly in a Z axis direction, a first carry-out/in unit that carries out the frame from the cassette placed on the cassette table or carry in the frame to the cassette, a first temporary receiving unit including a pair of first guide rails extending in the X axis direction and a guide rail opening/closing portion that increases the distance between the pair of first guide rails, a reversing unit including a holding portion that holds the frame and rotates by 180 degrees to reverse the front and back of the frame, and a transport unit that moves the reversed frame.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: February 22, 2022
    Assignee: DISCO CORPORATION
    Inventors: Takayuki Masada, Yoshihiro Kawaguchi, Tomohito Matsuda, Yuhei Fujii, Susumu Inakazu, Ryota Saito, Naoya Takesue, Hideaki Ishida
  • Publication number: 20200171707
    Abstract: A wafer dividing apparatus for dividing a wafer stuck to an adhesive tape and supported at an opening of a frame into individual chips along a scheduled division line is provided. The wafer dividing apparatus includes a cassette table movable upwardly and downwardly in a Z axis direction, a first carry-out/in unit that carries out the frame from the cassette placed on the cassette table or carry in the frame to the cassette, a first temporary receiving unit including a pair of first guide rails extending in the X axis direction and a guide rail opening/closing portion that increases the distance between the pair of first guide rails, a reversing unit including a holding portion that holds the frame and rotates by 180 degrees to reverse the front and back of the frame, and a transport unit that moves the reversed frame.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Takayuki MASADA, Yoshihiro KAWAGUCHI, Tomohito MATSUDA, Yuhei FUJII, Susumu INAKAZU, Ryota SAITO, Naoya TAKESUE, Hideaki ISHIDA