F. Ayazi, S. Pourkamali and G. K. Ho, “Capacitive Vertical Silicon Bulk Acoustic Resonator (SiBAR),” US patent No. 7,176,770, February 2007.
F. Ayazi, S. Pourkamali and G. K. Ho, “Capacitive Vertical Silicon Bulk Acoustic Resonator (SiBAR),” US patent No. 7,176,770, February 2007.