Aperiodic multilayers with enhanced reflectivity for extreme ultraviolet lithography (Articolo in rivista)

Type
Label
  • Aperiodic multilayers with enhanced reflectivity for extreme ultraviolet lithography (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1364/AO.47.002906 (literal)
Alternative label
  • Suman M.; Pelizzo M.G.; Nicolosi P.; Windt DL (2008)
    Aperiodic multilayers with enhanced reflectivity for extreme ultraviolet lithography
    in Applied optics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Suman M.; Pelizzo M.G.; Nicolosi P.; Windt DL (literal)
Pagina inizio
  • 2906 (literal)
Pagina fine
  • 2914 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.opticsinfobase.org/ao/abstract.cfm?uri=ao-47-16-2906 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 47 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 16 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,3 : Information Engineering Department, University of Padova, via Gradenigo 6B, Padova, 35131, Italy / 1,2,3 : National Research Council, National Institute for the Physics of the Matter, LUXOR Laboratory, via Gradenigo 6B, Padova, 35131, Italy / 4 : Reflective X-ray Optics LLC, 1361 Amsterdam Avenue, New York, NY 10027, United States (literal)
Titolo
  • Aperiodic multilayers with enhanced reflectivity for extreme ultraviolet lithography (literal)
Abstract
  • We have developed novel aperiodic multilayers, covered by capping layers resistant to environmental attack, that offer superior performance for extreme ultraviolet lithography. We have designed these coatings using an optimization procedure based on an algorithm able to acquire domain knowledge inside the space of possible solutions. An integrated intensity increase of up to 2.18 times that obtained using standard periodic multilayers has been estimated. The aperiodic structures have minimal absorption in the topmost layers, which makes them especially insensitive to both the choice of capping layer material and any subsequent capping layer degradation due to oxidation or contamination. This property allows for the use of the most resilient capping layer materials available, thereby leading to a significantly improved lifetime. We have produced prototype capped aperiodic coatings and have measured their performance. (C) 2008 Optical Society of America (literal)
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