Figure 1.
The Butterworth-Van Dyke (BVD) equivalent circuit for (a) an unloaded quartz crystal microbalance (QCM); and (b) a QCM under viscous and mass loading.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.