Chapter 1 Introduction Chapter 2 Propagation of Acoustic Wave in Crystals Chapter 3 The Theory of FBAR Chapter 4 The Deposition and Etching of AIN Film Chapter 5 The FBAR with Membrane Structure Chapter 6 Solidly Mounted Acoustic Resonator Chapter 7 The Applications of FBAR in RF Filters Chapter 8 The FBAR Excited by Lateral Filed Chapter 9 High Sensitive Sensors Based on FBAR Index