Nanoparticle detection limits of TNO's Rapid Nano: Modeling and experimental results

Peter Van Der Walle, Pragati Kumar, Dmitry Ityaksov, Richard Versluis, Diederik J. Maas, Olaf Kievit, Jochem Janssen, Jacques C.J. Van Der Donck

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

TNO has developed the Rapid Nano scanner to detect nanoparticles on EUVL mask blanks. This scanner was designed to be used in particle qualifications of EUV reticle handling equipment. In this paper we present an end-to-end model of the Rapid Nano detection process. All important design parameters concerning illumination, detection and noise are included in the model. The prediction from the model matches the performance that was experimentally determined (59 nm LSE). The model will be used to design and predict the performance of future generations of particle scanners.

Original languageEnglish
Title of host publicationPhotomask Technology 2012
EditorsFrank E. Abboud, Thomas B. Faure
PublisherSPIE
ISBN (Electronic)9780819492609
DOIs
Publication statusPublished - 2012
EventSPIE Conference on Photomask Technology 2012 - Monterey, United States
Duration: 11 Sept 201213 Sept 2012

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8522
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

ConferenceSPIE Conference on Photomask Technology 2012
Country/TerritoryUnited States
CityMonterey
Period11/09/1213/09/12

Bibliographical note

Publisher Copyright:
© 2012 SPIE. All rights reserved.

Keywords

  • BRDF
  • Detection limit
  • EUV
  • Modeling
  • Particle inspection
  • Qualification
  • Rapid Nano
  • Speckle

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