Abstract
Kapton is one of the flexible materials used in the development of microwave components for the telecommunications system. The electrical properties of Kapton are dependent on the material's temperature. In this study, this material will be heated, and the electrical properties of dielectric permittivity and loss tangent will be analyzed. This material heating process is done by using Peltier thermoelectric which is installed with Aluminium alloy. The 0 V up to 7 V DC voltage was supplied to the Peltier during the heating process. Then, the electrical properties of Kapton were measured by using a dielectric probe and vector network analyzer (VNA) at frequencies of 1 GHz to 9 GHz. The results obtained show the Kapton temperature was increased from 27 o C to 41 o C. Meanwhile, the dielectric permittivity also varied from 1.72 to 1.64 at the frequency of 5 GHz when 4 V was used. The maximum loss tangent value of 0.5 was observed when the maximum DC voltage of 7 V was applied. The knowledge of this experimental work can be used to design reconfigurable microwave components for smart system applications
Highlights
In a telecommunication system, the application of flexible substrate is most popularly used in antenna design
This paper will analyze the electrical properties of Kapton material such as dielectric permittivity and loss tangent at frequencies of 1 GHz up to 9 GHz
There are three materials have been used in this design work which is Kapton, Peltier thermoelectric and aluminum alloy plate
Summary
The application of flexible substrate is most popularly used in antenna design. Peltier thermoelectric is one of electronics product that can produce cooler or heater effect which is used in many applications such as refrigerator, air conditioner, power generation, etc [8]. In this experimental work, the heater side of Peltier was used to heat the material. This paper will analyze the electrical properties of Kapton material such as dielectric permittivity (εr) and loss tangent at frequencies of 1 GHz up to 9 GHz. The heating process will use the Peltier thermoelectric device with a DC voltage from 0V to 7 V. There are three materials have been used in this design work which is Kapton, Peltier thermoelectric and aluminum alloy plate. This process was done by adopted 20 minutes of relaxing time right after every measurement process
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