Ultra-Low Dielectric Constant Ca 3 (BO 3) 2 Microwave Ceramics and Their Performance Simulation in 5G Microstrip Patch Antennas. - Liu, Fangyuan; Song, Fuzhou; Zhu, Wanghuai; Zhang, Zhengpu; Yao, Zhonghua; Liu, Hanxing; Sun, Huaao; Lin, Guangran; Xu, Yue; Zhang, Lingcui; Shen, Yan; Zhao, Jinbo; et al. (Crystals (2073-4352), 2025)