Application of epoxy-barium titanate dielectric composite material towards coaxial antenna design for liver cancer treatment

Nurfarhana, Mustafa and Azahani Natasha, Azman and Ahmad Syahiman, Mohd Shah and Ahmad Afif, Mohd Faudzi and Mohamad Shaiful, Abdul Karim (2023) Application of epoxy-barium titanate dielectric composite material towards coaxial antenna design for liver cancer treatment. In: 2023 13th International Conference on Power, Energy and Electrical Engineering, CPEEE 2023 , 25-27 February 2023 , Tokyo. pp. 440-443. (191926). ISBN 978-166549014-6

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Abstract

New cancer treatment has been explored in thermotherapy technology by using coaxial antennas. Coaxial antenna is used to transmit heat energy from power supply to cancerous tissues. High accuracy energy transmission is very crucial in order to ensure less energy is lost to surrounding or reflected back to antenna. High accuracy of transmission could be achieved if the impedance matching between coaxial antenna and cancerous tissue is good. In this work, the impedance of coaxial antenna is changing by tailored the dielectric material of insulator in the coaxial antenna. Newly developed dielectric composite material is used because of the feasibility to change the dielectric properties only by changing the composition of material used. The permittivity of developed composite material based on epoxy resin and barium titanate is 6.8 while the loss tangent is 0.04 which is suitable to be used as insulator in the coaxial structure. Based on simulation result of coaxial antenna, an improvement in transmission coefficient can be observed with the value of return loss is -63.84 dB. This indicates the heat energy is able to be transmitted with only 0.0004% loss.

Item Type:	Conference or Workshop Item (Paper)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Barium titanate; Coaxial antenna; Dielectric composite material; Dielectric permittivity; Epoxy resin
Subjects:	T Technology > T Technology (General) T Technology > TA Engineering (General). Civil engineering (General) T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division:	Institute of Postgraduate Studies College of Engineering Faculty of Electrical and Electronic Engineering Technology
Depositing User:	Mr Muhamad Firdaus Janih@Jaini
Date Deposited:	14 Nov 2023 03:05
Last Modified:	14 Nov 2023 03:05
URI:	http://umpir.ump.edu.my/id/eprint/39029
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