Patent ID: 11821414

Abstract:
A fluid control apparatus (10) includes a first major plate (20), a piezoelectric device (30), a second major plate (40), a peripheral plate (50), a first film (61), and a second film (62). A space enclosed by the first major plate (20), the second major plate (40), and the peripheral plate (50) serves as a pump chamber (100) of the fluid control apparatus (10). A rectification base member (80) is provided between the first major plate (20) and the second major plate (40). The first film (61) is provided on the first major plate (20) and includes a movable portion positioned closer to the peripheral plate (50) than a fixed end thereof. The second film (62) is provided on a major surface (802) of the rectification base member (80) and includes a movable portion positioned across the fixed end thereof from the peripheral plate (50).