提供一种能够抑制声波器件部分之间的电磁耦合的弹性波装置。 在压电基片2，第一电极结构3和第二电极结构4是由第一电极结构3和，分别与第二电极结构4，第一和第二弹性波形成 被配置成在装置部分，和压电基板2上的支撑框架11，以包围第一声波器件部分和第二声波元件部形成，所述支撑框架11，第一 已经分隔所述声波装置部分和第二声波元件的一部分，在所述分隔壁部分11a的槽的分隔壁部11a，设置由导电材料制成的屏蔽电极22，弹性 波装置1。

To provide an acoustic wave device capable of suppressing the electromagnetic coupling between the elastic wave element part.
On the piezoelectric substrate 2, a first electrode structure 3 and the second electrode structure 4 is formed by the first electrode structure 3 and the second electrode structure 4, respectively, first, second acoustic wave It is constituted of the element portion, and the support frame 11 on the piezoelectric substrate 2 so as to surround the first acoustic wave element portion and a second acoustic wave element part is formed, the support frame 11, a first has a partition wall portion 11a partitioning the acoustic wave element portion and a second acoustic wave element part, the groove formed in the partition wall portion 11a, a shield electrode 22 made of a conductive material is provided, the elastic wave device 1.