Detailed measurements and analysis of the dielectric properties of polyimides could bolster the development of 6G wireless communication technologies, report scientists from Tokyo Tech and EM Labs, Inc.
Using a device known as a Fabry--P rot resonator, they measured the dielectric constants and dissipation factors of various types of polyimides at frequencies up to 330 GHz. Their findings provide design pointers for polymer-based insulating materials suitable for applications in high-frequency telecommunications.
Some of these issues can be greatly mitigated by using insulating materials with exceptional dielectric properties. Glass- and ceramic-based insulating materials currently dominate the scene, but their high cost and fabrication complexity render them largely unsuitable for mass-produced devices, which are needed for high-end 6G. Could polymeric materials be a better alternative?
The research team sought to address this knowledge gap by measuring and analyzing the dielectric properties of 11 PIs with different types of molecular structures. To this end, they used a device called a Fabry-Pérot resonator, which is currently the only known tool suitable for measuring the dielectric properties of thin films in the 110-330 GHz range with a low dissipation factor.
Researchers were involved in the development of a switch, an essential device in telecommunications, capable of operating at very high frequency with lower power consumption than conventional ...
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