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Coating Tribology of Gold on Quartz Crystal Substrate
The QCM works based on the piezoelectric properties of the quartz crystal. It measures the mass change on the surface down to 0.1 nanogram during material deposition by detecting variations in the resonance frequency of the crystal. Due to the extreme sensitive and accurate characteristics of the QCM, it is critical to ensure that the two electrodes on both sides of the quartz plate possess good wear resistance. Any mass loss on the metal electrodes caused by wear can lead to significant error in the measurement. Therefore, reliable and accurate wear evaluation using a Tribometer is important for quality control and R&D of QCMs.
