2BOWEN C, HOUCK G. New processing technique sweeping of quartz wafers and a practical method for processing quartz resonators under controlled conditions [J]. Proc. of 8th Quartz Devices Conference and Exhib, 1992.13-16.
3KAGAMI T, MATSUMOTO T, SUGAYA N, et al. Heat treatment effect upon etch-channel formation in synthetic quartz crystals [J]. Journal of Crystal Growth,2001, 229(1-4 ): 270-274.
4KAGAMI T, MATSUMOTO T, SUGAYA N, et al. Heat treatment effect upon etch-channel formation synthetic quartz crystals[J]. Journal Crystal Growth,2001,229(5) : 270-274.