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M. BADULESCU1,* , A. ANGHEL1, C. C. SURDU-BOB1, M. BADIC2, C. MORARI2,3, I. BALAN2,3
This paper reports preliminary results of the shielding efficiency (SE) obtained for silver coated temperature sensitive organic fabrics. Thin metallic films (Ag) have been deposited in vacuum at room temperature onto organic mesh using the high voltage anodic plasma method. The electromagnetic shielding effectiveness of the silver coated mesh was measured in the frequency range of 0.3 MHz – 4 GHz by ASTM ES7-83 standard test method. It was observed that even for such an open structure of the substrate, increasing the thickness of the coating is reflected in an increase of the SE. It was also found that the shielding efficiency increases with the number of coated sheets, but not proportionally to their number. Another finding was that the SE of a single thick coated sheet was higher than that of a stack of sheets coated with thinner films having a total thickness equal to the single thick coated sheet. This was attributed to the lower surface conductivity of the thinner silver coatings..
Thin films, Anodic plasma, Electromagnetic shielding.
M. BADULESCU, A. ANGHEL, C. C. SURDU-BOB, M. BADIC, C. MORARI, I. BALAN, Preliminary results on the electromagnetic shielding effectiveness of organic fabrics silver coated by high voltage anodic plasma, Optoelectronics and Advanced Materials - Rapid Communications, 9, 9-10, September-October 2015, pp.1230-1233 (2015).
Submitted at: Nov. 14, 2014
Accepted at: Sept. 9, 2015
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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