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Author: thomas lucatorto
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Displaying records 1 to 10 of 108 records.
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1. Development of an EUVL collector with infrared radiation suppression
Published: 8/1/2014
Authors: Steven E Grantham, Mike Kriese, Yuriy Platonov, Bodo Ehlers, Licai Jiang, Jim Rodriguez, Mueller Ulrich, Shayna khatri, Adam Magruder, Charles S Tarrio, Thomas B Lucatorto
Abstract: Laser-produced plasma (LPP) sources for extreme ultraviolet lithography (EUVL) systems utilize CO2 lasers operating with wavelength 10.6μm. Since multilayer-coated optics have high reflectivity for this infrared radiation (IR), a significant and ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915696

2. Improved measurement capabilities at the NIST EUV Reflectometry Facility
Published: 8/1/2014
Authors: Charles S Tarrio, Steven E Grantham, Thomas Avery Germer, Jack Clark Rife, Thomas B Lucatorto, Mike Kriese, Yuriy Platonov, Licai Jiang, Jim Rodriguez
Abstract: The NIST Extreme Ultraviolet (EUV) Reflectometry Facility was designed in the 1990s to accommodate the largest multilayer optics envisioned at that time. However, with increasing power requirements for an EUV scanner, source collection optics have g ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=915694

3. EUV-Driven Carbonaceous Film Deposition and Its Photo-oxidation on a TiO2 Film Surface
Published: 9/23/2013
Authors: Nadir S. Faradzhev, Monica McEntee, John Yate, Shannon Bradley Hill, Thomas B Lucatorto
Abstract: We report the photo-deposition of a carbonaceous layer grown on a TiO2 thin film by EUV radiation-induced chemistry of adsorbed n-tetradecane and the subsequent photo-oxidation of this film. It is found by chemical analysis of the C layer that irradi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913704

4. A synchrotron beamline for extreme-ultraviolet photoresist testing
Published: 9/30/2011
Authors: Charles S Tarrio, Steven E Grantham, Shannon Bradley Hill, Nadir S. Faradzhev, Lee J Richter, Chester Knurek, Thomas B Lucatorto
Abstract: Before being used in an extreme-ultraviolet (EUV) scanner, photoresists must first be evaluated for sensitivity and tested to ensure that they will not contaminate the scanner optics. The new NIST facility described here provides data on the contami ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908231

5. SURF III: A flexible Synchrotron Radiation Source for Radiometry and Research
Published: 9/1/2011
Authors: Uwe Arp, Charles W Clark, Lu Deng, Nadir S. Faradzhev, Alex P. Farrell, Mitchell L. Furst, Steven E Grantham, Edward Walter Hagley, Shannon Bradley Hill, Thomas B Lucatorto, Ping-Shine Shaw, Charles S Tarrio, Robert Edward Vest
Abstract: The calculability of synchrotron radiation (SR) makes electron storage rings wonderful light sources for radiometry. The broadband nature of SR allows coverage of the whole spectral region from the x-ray to the far-infrared. Compact low-energy storag ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906750

6. The NIST EUV facility for advanced photoresist qualification using the witness-sample test
Published: 8/29/2011
Authors: Steven E Grantham, Charles S Tarrio, Shannon Bradley Hill, Lee J Richter, Thomas B Lucatorto, J. van Dijk, C. Kaya, N. Harned, R. Hoefnagels, M. Silova, J. Steinhoff
Abstract: Before being used in an extreme-ultraviolet (EUV) scanner, photoresists must first be qualified to ensure that they will not excessively contaminate the scanner optics or other parts of the vacuum environment of the scanner. At the National Institute ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908029

7. Optics contamination studies in support of high-throughput EUV lithography tools
Published: 3/25/2011
Authors: Shannon Bradley Hill, Fardina Asikin, Lee J Richter, Steven E Grantham, Charles S Tarrio, Thomas B Lucatorto, Sergiy Yulin, Mark Schurmann, Viatcheslav Nesterenko, Torsten Feigl
Abstract: We report on optics contamination rates induced by exposure to broad-bandwidth, high-intensity EUV radiation peaked near 8 nm in a new beamline at the NIST synchrotron. The peak intensity of 50 mW/mm2 allows extension of previous investigations of c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908291

8. Polymer Photochemistry at the EUV Wavelength
Published: 6/8/2010
Authors: Charles S Tarrio, Theodore Fedynyshyn, Russell Goodman, Alberto Cabral, Thomas B Lucatorto
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904827

9. Tracking down sources of carbon contamination in EUVL exposure tools
Published: 8/3/2009
Authors: Charles S Tarrio, Robert Edward Vest, Thomas B Lucatorto, R. Caudillo
Abstract: Optics in EUVL exposure tools are known to suffer reflectivity degradation, mostly from the buildup of carbon. The sources of this carbon have been difficult to identify. Vacuum cleanliness is normally monitored with a residual gas analyzer, but th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901665

10. At-Wavelength Metrology for EUV Lithography at NIST
Published: 7/14/2009
Authors: Charles S Tarrio, Steven E Grantham, Robert Edward Vest, Thomas B Lucatorto
Abstract: The National Institute of Standards and Technology (NIST) is active in many areas of metrology impacting extreme ultraviolet lithography. We will describe our activities in the areas of reflectometry, pulsed radiometry, and long-term multiplayer mir ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841693



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