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Applied Science and Convergence Technology 2003; 12(2): 112-117

Published online June 1, 2003

Copyright © The Korean Vacuum Society.

Comparison of characteristics of MgO films deposited by vacuum arc method with other methods.

Eun-Sung Lee,Jong-Kuk Kim,Sung-Hun Lee,Gun-Hwan Lee

Abstract

MgO films is widely used in plasma display panel (PDP) technology. In this work, structural and optical properties of the MgO films deposited by e-beam evaporation, reactive magnetron sputtering, which are commercially used, and arc deposition were compared. MgO thin films were deposited on glass substrates by vacuum arc deposition equipment using a magnesium metal target at various oxygen gas flows. In order to investigate the packing density by ellipsometer, to measure reasonable erosion-rates of the MgO protective layers, we introduced an acceleration test method, namely, Ar+ ion beam induced erosion test. Also, XPS and UV test were adopted to examine the effect of the moisture on the optical transmittance of the MgO protective layers, which showed that these of MgO films by arc deposition method sustained more 90% and were insensitive to effect of the moisture. XRD and AFM have been also used to study behaviors of the structure and surface morphology.

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