Abstract
This paper mainly discusses on the effectiveness of multiple plain-woven fabric towards electromagnetic shielding (EMS). The measurement includes the effect of fabric distance from the transmitter antennas in the shielded enclosure test. The conductive fabric consists of copper cover hybrid yarns produced using hollow spindle spinning machine. The electromagnetic shielding test was performed according to IEEE-299 specification at 2000MHz. The range was selected to reflect mobile phones, wireless fidelity, Bluetooth and GPS transmission range frequencies. Four samples of conductive fabrics were used in the work, as 0°/0°, 90°/90°, 0°/90° and 90°/0, respectively. The fabric sample with 0°/90° alignment was found to give the best electromagnetic shielding at -65.79dBM. The initial results also show that the hybrid conductive fabrics have large potential to be utilized for shielding electromagnetic radiation (EMR).
Highlights
Nowadays, electronic devices have been a part of our daily life
The electromagnetic shielding fabric can be categorized as conductive textile
Ortlek [19] found that conductive fabric that consists of metal filament can protect houses and buildings from the emission of electromagnetic radiation originating from cellular phones, televisions, and wireless networks
Summary
Electronic devices have been a part of our daily life. Most of the electronic devices such as mobile phone or medical devices emits the frequency from 200MHz to 5000MHz [1]. Some of the researchers used cotton, polyester, and nylon and combined with a metal filament to produce hybrid yarns with shielding effect [1, 14, 20,21,22,23]. This project used high tenacity polyester combined with copper filament. High-tenacity polyester yarn can be combined with copper filament as an electromagnetic shielding material for smart textile application. The following section of the paper discusses the effect of multiangle layered electromagnetic shielding fabric with different distance from the transmitter signal
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