Abstract
The paper describes the beneficial effect of application of ballast resistors and an ageing process on the stability of field emission from Mo-tips. High-resistant silicon substrates were used as ballast resistor and better emission uniformity was obtained as compared with low-resistant silicon. The emission current of the field emitter arrays (FEAs) increased by 43% and 50% by DC and pulse mode ageing, respectively, and the emission current fluctuation as a function of time was decreased to 3.7%.
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