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Emission inhomogenity control of the thermionic cаthode working surface during emission tests

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Product Description

The analysis results of emissive no uniform (patchy) surface of thermionic cathode are presented. The presence of two kinds of patches had taken info account. The effect of patches contact field on the value of anode current in a diode is considered as electron interception leg patches with the greater work function. In the capacity of the characteristic which determinates this process interception parameter is proposed. The use of a computer simulation of the emitting surface with two kinds of patches and parameter of interception from the experiment makes possible to detect the values of patches work function and fractions of surface with these patches.

Additional Information

Authors

Кислицын А.П.

Year of publication

2015

1

Volume

121

Language

Russian

Types of files

pdf

Section

Plasma Physics, Electrovacuum and Discharge Devices

Quality

excellent

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