Quartz Crystal Radiation Effects
- 1 January 1970
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Nuclear Science
- Vol. 17 (6), 217-221
- https://doi.org/10.1109/tns.1970.4325794
Abstract
The effects of electron irradiation on frequency and on internal friction, Q-1, of 5 MHz, 5th overtone, high precision AT-cut quartz resonators are evaluated. The oscillators were irradiated with 10 MeV electrons to a dose of 1 Mrad(Si), transient and permanent frequency shifts monitored, and resonator internal friction measured before and after irradiation in the temperature range of 4.2 to 475°K. This investigation was carried out under nearly identical manufacturing and experimental conditions on resonators fabricated from natural, electronic grade synthetic, lithium carbonate doped, lithium nitrite doped, low impurity content high-Q, and electrolyzed (swept) electronic grade synthetic quartz crystals. The swept synthetic crystal oscillator shows the highest radiation tolerance.Keywords
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