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New Method for the Langmuir Probe Diagnostics of Polymerizing Plasmas

机译:Langmuir探针诊断聚合等离子体的新方法

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摘要

A pulsed Langmuir probe method of plasma diagnostics is proposed and validated for low-pressure, high-density, low-temperature plasmas capable of producing a nonconducting film on the probe surface. The method essentially involves cyclic probe-surface cleaning by ion bombardment. A switching pattern of probe potential is designed, taking into account the mechanism by which a space-charge region is formed near the probe. The method is successfully employed in an experiment on inductively coupled CHF{sub}3 and Ar plasmas.
机译:提出了等离子体诊断的脉冲Langmuir探针方法,并已针对能够在探针表面产生非导电膜的低压,高密度,低温等离子体进行了验证。该方法主要涉及通过离子轰击进行的循环探针表面清洁。考虑到在探针附近形成空间电荷区域的机制,设计探针电位的切换模式。该方法已成功用于感应耦合CHF {sub} 3和Ar等离子体的实验中。

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