Overview

Why the resonance frequency of a QCM sensor is 5MHz

The fundamental resonance frequency of QCM-sensors is often
5 MHz, but it could also be 10 MHz, 15 MHz, or even higher.

So, what determines the value of the fundamental resonance frequency? In this overview, we explain the theory behind the number.

Overview details

  • Length
    1 page
  • Technologies
    QCM-D
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Why the resonance frequency of a QCM sensor is 5MHz

In this overview:

  • How resonance frequency in QCM sensors is determined

  • The physical principles and analogies (string model) underlying frequency calculation

  • Influence of material properties (density, thickness, bulk modulus) on sensor resonance frequency

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