Abstract
Attention is paid to the character of the resonance frequency time dependence of high precision piezoelectric crystal units of the GT type for a frequency of 100 kHz and of the AT type for a frequency of 2·5 MHz. It is shown that the long-term effect of temperature changes plays an important role in ageing in the initial period.
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References
Warner A. W., Stockbridge C. D.: Journal of Appl. Phys.34 (1963), 437.
Warner A. W., Fraser D. B., Stockbridge C. D.: Fundamental Studies of Ageing in Quartz Resonators. Proceedings of the International Conference on Chronometry, Lausanne, June 1964.
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Zelenka, J. A note on the ageing of high precision piezoelectric crystal units. Czech J Phys 16, 437–441 (1966). https://doi.org/10.1007/BF01696254
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DOI: https://doi.org/10.1007/BF01696254