• DocumentCode
    1409513
  • Title

    Reduction of RIE-damage by N2O-anneal of thermal gate oxide

  • Author

    Joshi, Aniruddha B. ; Mann, Richard A. ; Chung, Lee ; Cho, T.H. ; Min, B.W. ; Kwong, D.L.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Rockwell Int. Corp., Newport Beach, CA, USA
  • Volume
    11
  • Issue
    3
  • fYear
    1998
  • fDate
    8/1/1998 12:00:00 AM
  • Firstpage
    495
  • Lastpage
    500
  • Abstract
    We have investigated RIE-induced damage in MOS devices with thermal oxide as well as N2O-annealed oxide as gate dielectrics. A systematic improvement in robustness against RIE-induced damage is seen when N2O flow rate and/or N2O anneal temperature are increased. We have demonstrated a N2O anneal process at 900°C, which provides a robust SiO2/Si interface against plasma damage and hot carrier stress
  • Keywords
    MOSFET; annealing; dielectric thin films; hot carriers; sputter etching; 900 degC; MOS devices; N2O; RIE-damage; Si-SiO2; anneal temperature; annealed oxide; flow rate; gate dielectrics; hot carrier stress; plasma damage; thermal gate oxide; Annealing; CMOS process; Dielectrics; Etching; Hot carriers; Implants; Plasma applications; Plasma temperature; Robustness; Thermal stresses;
  • fLanguage
    English
  • Journal_Title
    Semiconductor Manufacturing, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0894-6507
  • Type

    jour

  • DOI
    10.1109/66.705384
  • Filename
    705384