Design Optimization of Reflectarray Antenna Fabricated above Paper Based Substrate Materials

Malik, H. I.; Ismail, M. Y.; Mokhtar, Muhammad Hezri

doi:10.30880/ijie.2019.11.06.016

Cited by 3 publications

(2 citation statements)

References 8 publications

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“…Depending on the type of application, it is vital to choose a suitable flexible material as a substrate. In last few decades, various types of flexible materials have been adopted as substrates for antennas to provide flexibility including textile or fabrics [ 44 , 155 , 156 , 157 , 158 , 159 ], paper [ 160 , 161 , 162 , 163 , 164 , 165 ] and polymers [ 3 , 7 , 8 , 10 , 14 , 15 , 26 , 28 , 29 , 39 , 55 , 57 , 58 , 59 , 61 , 62 , 63 , 73 , 77 , 78 , 79 , 80 , 81 , 85 , 86 , 104 , 139 , 148 , 149 , 166 , 167 , 168 , 169 , 170 , 171 , 172 , 173 , 174 , 175 , 176 , 177 ...…”

Section: Flexible Substrate Materials For Wearable Antennasmentioning

confidence: 99%

“…Depending on the type of application, it is vital to choose a suitable flexible material as a substrate. In last few decades, various types of flexible materials have been adopted as substrates for antennas to provide flexibility including textile or fabrics [44,[155][156][157][158][159], paper [160][161][162][163][164][165] [189,190]. The relative permittivity of these materials depends on the thickness and the nature of the fabric, whether knitted or woven [154].…”

Section: Flexible Substrate Materials For Wearable Antennasmentioning

confidence: 99%

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Bending Analysis of Polymer-Based Flexible Antennas for Wearable, General IoT Applications: A Review

et al. 2021

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Flexible substrates have become essential in order to provide increased flexibility in wearable sensors, including polymers, plastic, paper, textiles and fabrics. This study is to comprehensively summarize the bending capabilities of flexible polymer substrate for general Internet of Things (IoTs) applications. The basic premise is to investigate the flexibility and bending ability of polymer materials as well as their tendency to withstand deformation. We start by providing a chronological order of flexible materials which have been used during the last few decades. In the future, the IoT is expected to support a diverse set of technologies to enable new applications through wireless connectivity. For wearable IoTs, flexibility and bending capabilities of materials are required. This paper provides an overview of some abundantly used polymer substrates and compares their physical, electrical and mechanical properties. It also studies the bending effects on the radiation performance of antenna designs that use polymer substrates. Moreover, we explore a selection of flexible materials for flexible antennas in IoT applications, namely Polyimides (PI), Polyethylene Terephthalate (PET), Polydimethylsiloxane (PDMS), Polytetrafluoroethylene (PTFE), Rogers RT/Duroid and Liquid Crystal Polymer (LCP). The study includes a complete analysis of bending and folding effects on the radiation characteristics such as S-parameters, resonant frequency deviation and the impedance mismatch with feedline of the flexible polymer substrate microstrip antennas. These flexible polymer substrates are useful for future wearable devices and general IoT applications.

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Section: Flexible Substrate Materials For Wearable Antennasmentioning

confidence: 99%

“…Depending on the type of application, it is vital to choose a suitable flexible material as a substrate. In last few decades, various types of flexible materials have been adopted as substrates for antennas to provide flexibility including textile or fabrics [44,[155][156][157][158][159], paper [160][161][162][163][164][165] [189,190]. The relative permittivity of these materials depends on the thickness and the nature of the fabric, whether knitted or woven [154].…”

Section: Flexible Substrate Materials For Wearable Antennasmentioning

confidence: 99%

Bending Analysis of Polymer-Based Flexible Antennas for Wearable, General IoT Applications: A Review

et al. 2021

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A review on bending analysis of polymer-based flexible patch antenna for IoT and wireless applications

Shekhawat

Singh

2022

Materials Today: Proceedings

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Kemahiran Berfikir Aras Tinggi Melalui Pendekatan Tadzakkur

Jamil

Khafidz

Osman

2019

abqari

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Higher order thinking skills (HOTS) is a necessity for teachers and students today. But, HOTS applications often referred to the western worldview. However, studies had shown some elements found in the Qur'an that can lead to the HOTS approach and one of them is tadzakkur. Tadzakkur is a very proximate element to an Islamic Education teacher (IET) and becomes a practice in IET’s teaching. Therefore, the main objective of this study is to introduce a tadzakkur approach which should be addressed by the teachers especially IETs. Using a qualitative method through document analysis, some papers, articles and books were analysed. The findings showed that tadzakkur approach is a very relevant and appropriate approach and must be implemented seriously by IETs to produce the rabbani and ta'dib generation.

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Design Optimization of Reflectarray Antenna Fabricated above Paper Based Substrate Materials

Cited by 3 publications

References 8 publications

Bending Analysis of Polymer-Based Flexible Antennas for Wearable, General IoT Applications: A Review

Bending Analysis of Polymer-Based Flexible Antennas for Wearable, General IoT Applications: A Review

A review on bending analysis of polymer-based flexible patch antenna for IoT and wireless applications

Kemahiran Berfikir Aras Tinggi Melalui Pendekatan Tadzakkur

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