High performance EUV multilayer structures insensitive to capping layer optical parameters (Articolo in rivista)

Type
Label
  • High performance EUV multilayer structures insensitive to capping layer optical parameters (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/OE.16.015228 (literal)
Alternative label
  • Pelizzo M.G.; Suman M.; Monaco G.; Nicolosi P.; Windt D.L. (2008)
    High performance EUV multilayer structures insensitive to capping layer optical parameters
    in Optics express
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pelizzo M.G.; Suman M.; Monaco G.; Nicolosi P.; Windt D.L. (literal)
Pagina inizio
  • 15228 (literal)
Pagina fine
  • 15237 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-16-19-15228 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 16 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 19 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-4 : Information Engineering Department, University of Padova, via Grudenigo 6B, Padova, 35131, Italy / 1-4 : National Research Council, National Institute for the Physics of the Matter, LUXOR Laboratory, viu Gradenigo 6B, Padova, 35131, Italy / 5 : Reflective X-ray Optics LLC, 1361 Amsterdam Ave., New York, NY 10027, United States (literal)
Titolo
  • High performance EUV multilayer structures insensitive to capping layer optical parameters (literal)
Abstract
  • We have designed and tested a-periodic multilayer structures containing protective capping layers in order to obtain improved stability with respect to any possible changes of the capping layer optical properties (due to oxidation and contamination, for example)-while simultaneously maximizing the EUV reflection efficiency for specific applications, and in particular for EUV lithography. Such coatings may be particularly useful in EUV lithographic apparatus, because they provide both high integrated photon flux and higher stability to the harsh operating environment, which can affect seriously the performance of the multilayer-coated projector system optics. In this work, an evolutive algorithm has been developed in order to design these a-periodic structures, which have been proven to have also the property of stable performance with respect to random layer thickness errors that might occur during coating deposition. Prototypes have been fabricated, and tested with EUV and X-ray reflectometry, and secondary electron spectroscopy. The experimental results clearly show improved performance of our new a-periodic coatings design compared with standard periodic multilayer structures. (C) 2008 Optical Society of America. (literal)
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