Article | REF: E2205 V1

Piezoelectric components

Author: Jean-Pierre AUBRY

Publication date: August 10, 1998

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1. Quartz resonators

1.1 General

Early low-frequency resonators operated on elongation modes. The quartz rod is the seat of a deformation, parallel to the length, propagating parallel to the length of the rod. The propagation velocity v of this deformation depends on the elastic properties of the quartz in this propagation direction: v=cρ

with :

c
 : 
elastic coefficient (Young's modulus for an isotropic material)
ρ
 : 
density....
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Quartz resonators