Paper Title:
Electromagnetic Wave Shielding Properties of ITO/PET Thin Film by Film Thickness
  Abstract

The thin films of indium tin oxide (ITO) are used for a variety of electronic devices such as solar cells, touch panels, liquid crystal displays (LCDs). However, these electronic devices are not strong enough against heavy impact since their ITO thin films are deposited on glass substrates. Therefore, ITO thin films were prepared by the inclination opposite target type DC magnetron sputtering equipment onto the Polyethylene Terephthalate (PET) substrate at room temperature using oxidized ITO with In2O3 and SnO2 in a weight ratio of 9:1. In this study, the transmittance, resistivity and electromagnetic wave shielding effectiveness of the ITO thin films prepared at various sputtering time (20~80min namely film thickness; 130~500nm) are measured. The results show that transmittance of the ITO thin films could show about 70% in the range of a visible ray by the variation of film thickness. It also can be seen that a minimum exists in the resistivity of ITO thin films for the variation of film thickness. Electromagnetic wave shielding effectiveness was increased as film thickness increased.

  Info
Periodical
Key Engineering Materials (Volumes 345-346)
Edited by
S.W. Nam, Y.W. Chang, S.B. Lee and N.J. Kim
Pages
1585-1588
DOI
10.4028/www.scientific.net/KEM.345-346.1585
Citation
D. H. Kim, H. K. Yoon, D. H. Shin, R. Murakami, "Electromagnetic Wave Shielding Properties of ITO/PET Thin Film by Film Thickness", Key Engineering Materials, Vols. 345-346, pp. 1585-1588, 2007
Online since
August 2007
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Price
$32.00
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