Measurement of line width roughness

  • Hong Bo Li*
  • , Wei Qian Zhao
  • , Xue Zeng Zhao
  • , Si Tian Gao
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The current measurement and research status on line width roughness (LWR) are summarized. The definition of LWR, advantages and disadvantages of various instruments, the LWR measurement methods, analysis and characterization parameters are discussed. The obstacles to LWR measurement are addressed as well. At the same time, the uncertainty compositions of the LWR measurement is analyzed, especially the impact factors using atomic force microscope are discussed.

Original languageEnglish
Pages (from-to)93-99
Number of pages7
JournalJiliang Xuebao/Acta Metrologica Sinica
Volume29
Issue numberSUPPL.
Publication statusPublished - Sept 2008

Keywords

  • AFM
  • Line edge roughness
  • Line width roughness
  • Metrology
  • SEM
  • Scatterometer

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