A Comparative Study of Material Leucaena Leucocephala Stem Wood Plastic Composite (Wpc) Substrate With Fr4 Substrate Throughout Single Patch Antenna Design

Abstract

Abstract-The fabrication of single square patch antenna for proposed Leucaena Leucocephala ("Petai Belalang") Wood Plastic Composite (WPC) substrate board (PB Substrate board) and FR4 substrate board is presented in this paper. The experiment objective is to measure the performance of an antenna fabricated on the FR4 and PB substrate (proposed substrate) by comparing the performance in terms of material's dielectric constant and electron mobility and antennas' loss tangent, return loss (S 11 ), radiation pattern and practical antenna transmitting performance. The new substrate compositions of Leucaena Leucocephala stem and polypropylene (PP) are 30% and 70% consecutively. The result for 150 µm (sample B) indicates stability on most dielectric constant (ε r = 3.02), loss tangent (tan δ = 0.029) and electron mobility (5.31 × 10 3 cm 2 /V s ), with the consistency of antenna result, between simulation and measurement. All results obtained will be analyzed and displayed in the form of data and graphs.

An alternative approach to design conductive hybrid cover yarns for efficient electromagnetic shielding fabrics

“…The kit included a network analyzer, a coaxial probe and software to assess and display the results by converting S-parameter of network analyzer’s data. The analysis was carried out at room temperature and with standard procedures as described in the literature [25,26].…”

Measurement of Dielectric and Thermal Properties of Leucaena Leucocephala Bio composite substrate with Different Composition Mixture

“…Beside the carbon content, MC trapped inside substrate while fabrication process can also increase the value of dielectric properties. Previous research about wood filler and PP substrate were already elaborated by [15]. In their research the substrate were directly kept and used after the process of hot and cold press without concerning about MC.…”

“…In this research paper the existing process was improvised and concern about the content of MC. By referring to figure 1, the venting process and oven process was introduced to minimized the MC and the result by addition of this two process the dielectric properties value can be decrease from average of 3.02 (εr) [15] to 2.36 (εr) for composition of 70% PP and 30% LL as indicated in figure 5d. The average reported for the proposed substrate named as PB7030 were averaged at 2.36 (εr) and 0.064 (Tan δ).…”

“…Bio composite material that applied the wood plastic composite (WPC) method was popular lately especially for microwave frequency (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20) GHz) that serve as antenna substrate [1]. In microwave frequency the usage of substrate (dielectric material) for designing planar antenna was directly rely onto its dielectric constant(εr) and loss tangent(Tan δ) value [2], while thermal conductivity value will show the properties of the material to conduct heat during the usage of wood and polymer filler [3].…”

Circular Planar Pac-man Antenna Toward Multiband Operations

“…It includes a dimension sheet of conducting metal, regularly copper, mounted on a greater sheet of metal called a ground plane. Pac-man antenna works at two various frequencies which are at 1.6 GHz (EPIRB) and 2.45 GHz (WLAN) [2]. The antenna has exhibited structuring a round microstrip antenna for multiband applications utilizing minimum cost substrate [3].…”