β-Ga<sub>2</sub>O<sub>3</sub>: ultralow-loss and low-permittivity dielectric ceramic for high-frequency packaging substrate

Wei Wang, Chao Du, Xin Wang, Diming Xu, Hongsong Qiu, Biaobing Jin, Zhongqi Shi, Fayaz Hussain, Moustafa A. Darwish, Tao Zhou,

Inorganic Chemistry Frontiers · 2023 · 21 citations · 20 references

Concepts

Abstract

The β-Ga 2 O 3 ceramic exhibits excellent dielectric properties with a Q × f of 133 140 GHz and ε r of 9.57. A sub-6 GHz patch antenna was designed and fabricated using a Ga 2 O 3 ceramic substrate, showing great potential for high-frequency applications.

References

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