Patents by Inventor Spencer Allen Mullens

Spencer Allen Mullens 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).

  • Pellicle removal tool
    Patent number: 11948824
    Abstract: A pellicle removal tool including a stage that holds a photomask and an associated pellicle, two or more arms positioned around the stage and configured to engage pellicle side wells of the pellicle, and two or more actuators each configured to adjust at least a vertical position of a corresponding one of the two or more arms so as to apply a lifting force to the pellicle for removal of the pellicle from the photomask.
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: April 2, 2024
    Assignee: PHOTRONICS, INC.
    Inventors: Hilario Ar-Miguel Alvarez, Spencer Allen Mullens, Jesse Eugene Williams, II
  • PELLICLE REMOVAL TOOL
    Publication number: 20230274965
    Abstract: A pellicle removal tool including a stage that holds a photomask and an associated pellicle, two or more arms positioned around the stage and configured to engage pellicle side wells of the pellicle, and two or more actuators each configured to adjust at least a vertical position of a corresponding one of the two or more arms so as to apply a lifting force to the pellicle for removal of the pellicle from the photomask.
    Type: Application
    Filed: May 8, 2023
    Publication date: August 31, 2023
    Inventors: Hilario Ar-Miguel Alvarez, Spencer Allen Mullens, Jesse Eugene Williams, II
  • Pellicle removal tool
    Patent number: 11682573
    Abstract: A pellicle removal tool including a stage that holds a photomask and an associated pellicle, two or more arms positioned around the stage and configured to engage pellicle side wells of the pellicle, and two or more actuators each configured to adjust at least a vertical position of a corresponding one of the two or more arms so as to apply a lifting force to the pellicle for removal of the pellicle from the photomask.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: June 20, 2023
    Assignee: PHOTRONICS, INC.
    Inventors: Hilario Ar-Miguel Alvarez, Spencer Allen Mullens, Jesse Eugene Williams, II
  • PELLICLE REMOVAL TOOL
    Publication number: 20210384057
    Abstract: A pellicle removal tool including a stage that holds a photomask and an associated pellicle, two or more arms positioned around the stage and configured to engage pellicle side wells of the pellicle, and two or more actuators each configured to adjust at least a vertical position of a corresponding one of the two or more arms so as to apply a lifting force to the pellicle for removal of the pellicle from the photomask.
    Type: Application
    Filed: July 30, 2021
    Publication date: December 9, 2021
    Inventors: Hilario Ar-Miguel Alvarez, Spencer Allen Mullens, Jesse Eugene Williams, II
  • Pellicle removal tool
    Patent number: 11183410
    Abstract: A pellicle removal tool including a stage that holds a photomask and an associated pellicle, two or more arms positioned around the stage and configured to engage pellicle side wells of the pellicle, and two or more actuators each configured to adjust at least a vertical position of a corresponding one of the two or more arms so as to apply a lifting force to the pellicle for removal of the pellicle from the photomask.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: November 23, 2021
    Assignee: PHOTRONICS, INC.
    Inventors: Hilario Ar-Miguel Alvarez, Spencer Allen Mullens, Jesse Eugene Williams, II
  • PELLICLE REMOVAL TOOL
    Publication number: 20180307133
    Abstract: A pellicle removal tool including a stage that holds a photomask and an associated pellicle, two or more arms positioned around the stage and configured to engage pellicle side wells of the pellicle, and two or more actuators each configured to adjust at least a vertical position of a corresponding one of the two or more arms so as to apply a lifting force to the pellicle for removal of the pellicle from the photomask.
    Type: Application
    Filed: April 24, 2018
    Publication date: October 25, 2018
    Inventors: Hilario Ar-Miguel Alvarez, Spencer Allen Mullens, Jesse Eugene Williams, II