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, Yawei Chen, Qi‐Xin Liang, Meirong Zhang, Di Zhou
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.
Topics & Concepts
CeramicMaterials sciencePermittivityDielectricSubstrate (aquarium)Antenna (radio)OptoelectronicsDielectric permittivityDielectric lossComposite materialTelecommunicationsComputer scienceOceanographyGeologyMicrowave Dielectric Ceramics SynthesisGa2O3 and related materialsDielectric properties of ceramics