Publication number: 20200057394
Abstract: A mask assembly suitable for use in a lithographic process, the mask assembly comprising a patterning device; and a pellicle frame configured to support a pellicle and mounted on the patterning device with a mount; wherein the mount is configured to suspend the pellicle frame relative to the patterning device such that there is a gap between the pellicle frame and the patterning device; and wherein the mount provides a releasably engageable attachment between the patterning device and the pellicle frame.
Type:
Application
Filed:
September 30, 2019
Publication date:
February 20, 2020
Applicants:
ASML Netherlands B.V., ASML Holding N.V.
Inventors:
Matthias KRUIZINGA, Maarten Mathijs Marinus JANSEN, Jorge Manuel AZEREDO LIMA, Erik Willem BOGAART, Derk Servatius Gertruda BROUNS, Marc BRUIJN, Richard Joseph BRULS, Jeroen DEKKERS, Paul JANSSEN, Mohammad Reza KAMALI, Ronald Harm Gunther KRAMER, Robert Gabriël Maria LANSBERGEN, Martinus Hendrikus Antonius LEENDERS, Matthew LIPSON, Erik Roelof LOOPSTRA, Joseph H. LYONS, Stephen ROUX, Gerrit VAN DEN BOSCH, Sander VAN DEN HEIJKANT, Sandra VAN DER GRAAF, Frits VAN DER MEULEN, Jérôme François SylvainVirgile VAN LOO, Beatrijs Louis Marie-Joseph Katrien VERBRUGGE