公开(公告)号：US20240380385A1

公开(公告)日：2024-11-14

申请号：US18781266

申请日：2024-07-23

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yulin Huang ,  Benfeng Zhang ,  Xinyi Li ,  Rongrong Che ,  Zongzhi Gao

IPC: H03H9/64 ,  H03H9/145 ,  H03H9/25

Abstract: An acoustic filter includes a first resonator, a second resonator, and a first acoustic wave suppression structure. The first resonator and the second resonator are arranged in a first direction. The first acoustic wave suppression structure is disposed between the first resonator and the second resonator, and at least one stopband generated by the first acoustic wave suppression structure is used to reduce an acoustic wave that is leaked between the first resonator and the second resonator and that is propagated in the first direction.