New nanolayered coatings are designed and deposited on flexible plastic substrate having the thickness of 100 mu m, in order to realize lightweight ultrathin transparent shielding foils. The structure of the coating is optimized considering three figures of merit: the average transmittance in the visible range for normal incidence, the normalized average transmittance for oblique incidence at 550 run, and the transmittance quality factor. The nanotechnology exploited for the deposition of the transparent metals is the dual ion beam sputtering. Tests of durability, optical transmission, and shielding effectiveness demonstrate that the film has a high adhesion under mechanical solicitation, high resistance against aging, peak transmittance in the visible range higher than 70%, onmidirectional properties in the range 0 degrees-60 degrees, and shielding effectiveness of 40 dB up to 6 GHz.

Nanolayered lightweight flexible shields with multidirectional optical transparency / Sarto, Maria Sabrina; LI VOTI, Roberto; F., Sarto; Larciprete, Maria Cristina. - In: IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY. - ISSN 0018-9375. - STAMPA. - 47:3(2005), pp. 602-611. [10.1109/temc.2005.853214]

Nanolayered lightweight flexible shields with multidirectional optical transparency

SARTO, Maria Sabrina;LI VOTI, Roberto;LARCIPRETE, Maria Cristina
2005

Abstract

New nanolayered coatings are designed and deposited on flexible plastic substrate having the thickness of 100 mu m, in order to realize lightweight ultrathin transparent shielding foils. The structure of the coating is optimized considering three figures of merit: the average transmittance in the visible range for normal incidence, the normalized average transmittance for oblique incidence at 550 run, and the transmittance quality factor. The nanotechnology exploited for the deposition of the transparent metals is the dual ion beam sputtering. Tests of durability, optical transmission, and shielding effectiveness demonstrate that the film has a high adhesion under mechanical solicitation, high resistance against aging, peak transmittance in the visible range higher than 70%, onmidirectional properties in the range 0 degrees-60 degrees, and shielding effectiveness of 40 dB up to 6 GHz.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/361457
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