Preliminary studies on the use of natural rubber in the design of flexible microstrip antennas

Alias, N. A. L.; Affendi, Nur Adyani Mohd; Awang, Zaiki; Ali, Mohd Tarmizi; Samsuri, Ariffin

doi:10.1109/rfm.2013.6757305

Cited by 6 publications

(2 citation statements)

References 14 publications

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“…The presence of the bonding agents causes an additional increase in the overall thickness of the antenna. According to [11,23], the fringing effect will be increased with the substrate thickness which causes the resonance frequency to decrease. Moreover, during the bonding process, slight misalignment could have occurred between the bonding layers.…”

Section: Flat Conditionsmentioning

confidence: 99%

“…To our knowledge, our work is the first attempt to demonstrate the use of natural rubber as a new material for flexible antennas. A first ever attempt of using natural rubber in flexible antenna design has been proposed by us previously in [11], in which computer simulations proved the viability of using this environmental-friendly natural material in flexible antenna design. Our study has shown in the paper that the antennas were able to operate almost as well as those using existing rigid and flexible substrates.…”

Section: Introductionmentioning

confidence: 99%

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Flexible Antennas Based on Natural Rubber

Awang

Affendi

Alias

et al. 2016

PIER C

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Abstract-Flexible substrates have been increasingly studied in recent years. This paper proposes natural rubber as a new substrate material for flexible antennas. In our work, prototype antennas were built using rubber formulated with different filler contents. Carbon black was used as the filler where its amount was varied to yield different dielectric properties. Prototype inset-feed microstrip patch antennas with outer dimensions 7.52 mm × 10.607 mm × 1.7 mm and copper as its conducting material were fabricated to operate at 2.45 GHz. The prototypes were measured and their performance analyzed in terms of the effects of filler content on Q, return loss and bending effects on their gain and radiation characteristics. The return loss and gain were found to be comparable to those built on existing synthetic substrates, but these new antennas offer an added feature of frequency-tunability by varying the filler content. Under bending conditions, these new antennas were also found to perform better than existing designs, showing less changes in their gain, frequency shift and beamwidth, in addition to less impedance mismatch when bent.

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Section: Flat Conditionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%