What is it about?
We systematically analyze the dielectric properties of 11 types of polyimides in the frequency range of 25–330 GHz using Fabry-Pérot resonators, exploring for the first time their potential application as low dielectric materials in 6G mobile communication systems.
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Why is it important?
6G technology is expected to enable ultra-high-speed and large-capacity mobile communications, promoting technological innovations in various fields such as autonomous vehicles, smart cities, and remote medical care. The high-performance polymer insulating materials developed based on the insights gained from this study are anticipated to enhance the performance of future communication devices and provide a more stable communication infrastructure.
Perspectives
This study confirms that the effective introduction of fluorine groups plays a crucial role in enhancing the dielectric properties of polyimides, and these findings are expected to promote further research progress. Additionally, future vibrational spectroscopic analysis in the THz region is anticipated to elucidate the origins of the dielectric responses of various polyimides in the 100 GHz to several THz range. The insights into dielectric properties obtained from this study are expected to aid in the design of high-performance polymer insulating materials and significantly contribute to the development of next-generation mobile communication technologies.
Haonan Liu
Tokyo Kogyo Daigaku
Read the Original
This page is a summary of: Frequency-dependent dielectric properties of aromatic polyimides in the 25–330 GHz range, Applied Physics Letters, June 2024, American Institute of Physics,
DOI: 10.1063/5.0205692.
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