Patents by Inventor Arnold Storm

Arnold Storm 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).

  • Method for removing a contamination layer from an optical surface and arrangement therefor
    Patent number: 8980009
    Abstract: The invention is directed to a method for at least partially removing a contamination layer (15) from an optical surface (14a) of an EUV-reflective optical element (14) by bringing a cleaning gas into contact with the contamination layer. In the method, a jet (20) of cleaning gas is directed to the contamination layer (15) for removing material from the contamination layer (15). The contamination layer (15) is monitored for generating a signal indicative of the thickness of the contamination layer (15) and the jet (20) of cleaning gas is controlled by moving the jet (20) of cleaning gas relative to the optical surface (14a) using this signal as a feedback signal. A cleaning arrangement (19 to 24) for carrying out the method is also disclosed. The invention also relates to a method for generating a jet (20) of cleaning gas and to a corresponding cleaning gas generation arrangement.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: March 17, 2015
    Assignees: Carl Zeiss SMT GmbH, ASML Netherlands B.V.
    Inventors: Dirk Heinrich Ehm, Arnold Storm, Johannes Hubertus Josephina Moors, Bastiaan Theodoor Wolschrijn, Thomas Stein, Edwin te Sligte
  • Method for removing a contamination layer from an optical surface and arrangement therefor as well as a method for generating a cleaning gas and arrangement therefor
    Patent number: 8419862
    Abstract: The invention is directed to a method for at least partially removing a contamination layer (15) from an optical surface (14a) of an EUV-reflective optical element (14) by bringing a cleaning gas into contact with the contamination layer. In the method, a jet (20) of cleaning gas is directed to the contamination layer (15) for removing material from the contamination layer (15). The contamination layer (15) is monitored for generating a signal indicative of the thickness of the contamination layer (15) and the jet (20) of cleaning gas is controlled by moving the jet (20) of cleaning gas relative to the optical surface (14a) using this signal as a feedback signal. A cleaning arrangement (19 to 24) for carrying out the method is also disclosed. The invention also relates to a method for generating a jet (20) of cleaning gas and to a corresponding cleaning gas generation arrangement.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: April 16, 2013
    Assignees: Carl Zeiss SMT GmbH, ASML Netherlands B.V.
    Inventors: Dirk Heinrich Ehm, Arnold Storm, Johannes Hubertus Josephina Moors, Bastiaan Theodoor Wolschrijn, Thomas Stein, Edwin te Sligte
  • Method for removing a contamination layer from an optical surface and arrangement therefor as well as a method for generating a cleaning gas and arrangement therefor
    Publication number: 20100288302
    Abstract: The invention is directed to a method for at least partially removing a contamination layer (15) from an optical surface (14a) of an EUV-reflective optical element (14) by bringing a cleaning gas into contact with the contamination layer. In the method, a jet (20) of cleaning gas is directed to the contamination layer (15) for removing material from the contamination layer (15). The contamination layer (15) is monitored for generating a signal indicative of the thickness of the contamination layer (15) and the jet (20) of cleaning gas is controlled by moving the jet (20) of cleaning gas relative to the optical surface (14a) using this signal as a feedback signal. A cleaning arrangement (19 to 24) for carrying out the method is also disclosed. The invention also relates to a method for generating a jet (20) of cleaning gas and to a corresponding cleaning gas generation arrangement.
    Type: Application
    Filed: May 6, 2010
    Publication date: November 18, 2010
    Inventors: Dirk Heinrich Ehm, Arnold Storm, Johannes Hubertus Josephina Moors, Bastiaan Theodoor Wolschrijn, Thomas Stein, Edwin te Sligte