Title :
Ageing of crystal elements manufactured of swept synthetic quartz
Author :
Romanov, L.N. ; Kolodieva, S.V.
Author_Institution :
All Union Res. Inst. for the Synthesis of Mater., Alexandrov, Russia
Abstract :
The improvement of piezoquartz properties obtained under conditions of electric field and high temperature (so-called sweeping) is not irreversible because of the essential contribution in the sweeping process of the polarization effects with great relaxation times. Depolarization, the rate of which exponentially increases vs. temperature, causes long-term ageing of resonators made of swept quartz
Keywords :
ageing; crystal resonators; quartz; depolarization; electric field; long-term ageing; piezoquartz properties; polarization effects; relaxation times; sweeping process; swept synthetic quartz; Aging; Crystalline materials; Etching; Hydrogen; Manufacturing; Polarization; Resonance; Resonant frequency; Stability; Temperature;
Conference_Titel :
Frequency Control Symposium, 1992. 46th., Proceedings of the 1992 IEEE
Conference_Location :
Hershey, PA
Print_ISBN :
0-7803-0476-4
DOI :
10.1109/FREQ.1992.270047
