Research Article

Characterization and Modelling of Circular Piezoelectric Micro Speakers for Audio Acoustic Actuation

Figure 4

(a) First resonance frequency versus radius calculated for a piezoelectric layer thickness of 80 um. (b) First resonance frequency versus piezoelectric thickness calculated for a radius of 1 cm.
635268.fig.004a
(a)
635268.fig.004b
(b)