A New Application of Bimetallic Thin Film

Xiao Yu Yang; Wei Zhou

doi:10.4028/www.scientific.net/AMR.661.128

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 661A New Application of Bimetallic Thin Film

A New Application of Bimetallic Thin Film

Abstract:

To perform the temperature compensation, a bimetallic thin film with different thermal expansion coefficients is deposited on the surface of the crystal plate. The thermal stress generated in the crystal and the thin film will cancel each other when temperature changes, thus improve the frequency stability of the crystal oscillator. In this paper, a finite element simulation was carried out for the crystal plate with bimetal, and then an experiment was performed to verify the FEM simulation results. The result shows that this approach achieves good temperature - frequency characteristics and reduces the frequency shift of crystal oscillator.

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Periodical:

Advanced Materials Research (Volume 661)

Pages:

128-131

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.661.128

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Online since:

February 2013

Authors:

Xiao Yu Yang, Wei Zhou

Keywords:

Bimetallic Thin Film, Stress Frequency, Thermal Stress

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References

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