Design and Construction of Argon D.C Glow Discharge Plasma Using Al Target
Abstract
In this work, we have successfully designed and constructed argon D.C glow
discharge plasma. A planer D.C diode system consisted of two aluminum electrodes
which were designed and constructed to study Paschen's curves at two different
interelectrode distances (3cm and 4.5cm). The breakdown voltage (Vb) was
experimentally measured as a function of the pressure product of inter-electrode distance
(Pd) for argon discharges gas. The behaviour of breakdown voltages as a function of (pd)
coincide with Paschen’s law at the two different interelectrode distances. The minimum
breakdown voltages were (Vb) min =(232, 244)volt for d=(3, 4.5)cm respectively and the
minimum pressure product by the inter-electrode distance namely pdmin=. (1.1,1.5)
mbar.cm at the two above distances.
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Copyright (c) 2015 Abdul Qader Dawood Faisal, Mohammed Odda Dawood
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