论文信息 - Improved Bi-mesa Structures Optimized for Resonator Mounting

Improved Bi-mesa Structures Optimized for Resonator Mounting

An improved bi-mesa structure optimized for resonator mounting is proposed. To evaluate mounting influences, the frequency differences between clamp and free X-edge conditions are calculated using a two-dimensional finite element method in the X-Y' region. When the outer mesa height was lower than 20% of the thick area, the frequency differences are less than 10% of standard-type bi-mesa resonator values. These results indicate that the improved bi-mesa structure has good separation from the mounting influences.

[1] M. Okazaki,et al. Miniature AT-Cut Strip Resonators with Tilted Edges , 1975 .

[2] Y. Watanabe,et al. Experimental study of mode-coupling strength of AT-cut quartz resonators with high mesa step height , 2004, Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, 2004..

[3] S. Goka,et al. Frequency-Temperature Behavior of Stepped Bi-Mesa-Shaped AT-Cut Quartz Resonators , 2002 .

[4] A. Ballato,et al. Frequency-temperature-load capacitance behavior of resonators for TCXO application , 1978 .

[5] S. Goka,et al. Mode Decoupling Effect of Multistepped Bi-Mesa AT-Cut Quartz Resonators , 2004 .