空腔型薄膜体声波滤波器的关键技术进展
陶桂龙, 支国伟, 罗添友, 欧阳佩东, 衣新燕, 李国强

Progress on Key Technologies of Cavity-structured Thin Film Bulk Acoustic Wave Filter
TAO Guilong, ZHI Guowei, LUO Tianyou, OUYANG Peidong, YI Xinyan, LI Guoqiang
图15 结合FBAR与IPD技术的N77频段混合滤波器[88]
Fig. 15 N77-band hybrid filter based on FBAR and IPD technology[88]
(a) Design schematic; (b) Simulated transmission response curve