Patents by Inventor Bruce Altemus

Bruce Altemus 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).

  • Dispense nozzle with a dynamic liquid plug
    Patent number: 10807117
    Abstract: Provided is a method of limiting exposure of a dispense chemical to air and meet dispense objectives in a dispense nozzle system, the method comprising: providing a sample requiring a dispense process of a dispense chemical using a dispense nozzle system; performing an opening cycle of dispense process steps to get the dispense nozzle system ready; dispensing a dispense chemical onto the sample; and performing a closing cycle of dispense process steps to prepare the nozzle system for non-use; repeating the operations of performing the opening cycle of dispense process steps, dispensing the chemical, and performing the closing cycle of dispense process steps a prescribed number of times depending on an application.
    Type: Grant
    Filed: October 3, 2016
    Date of Patent: October 20, 2020
    Assignee: Tokyo Electron Limited
    Inventors: Ronald Nasman, Bruce Altemus
  • DISPENSE NOZZLE WITH A DYNAMIC LIQUID PLUG
    Publication number: 20170096326
    Abstract: Provided is a method of limiting exposure of a dispense chemical to air and meet dispense objectives in a dispense nozzle system, the method comprising: providing a sample requiring a dispense process of a dispense chemical using a dispense nozzle system; performing an opening cycle of dispense process steps to get the dispense nozzle system ready; dispensing a dispense chemical onto the sample; and performing a closing cycle of dispense process steps to prepare the nozzle system for non-use; repeating the operations of performing the opening cycle of dispense process steps, dispensing the chemical, and performing the closing cycle of dispense process steps a prescribed number of times depending on an application.
    Type: Application
    Filed: October 3, 2016
    Publication date: April 6, 2017
    Inventors: Ronald Nasman, Bruce Altemus