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題名 | 電漿密度量測系統的製作與評估=Making and Evaluation of a Plasma Density Measuring Sysetm |
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作者 | 廖峻德; 游永祥; 魏大欽; | 書刊名 | 中原學報 |
卷期 | 27:1 1999.03[民88.03] |
頁次 | 頁89-93 |
分類號 | 337 |
關鍵詞 | 探測針; 電漿製程; 電漿密度; Proobe; Plasma processing; Plasma density; |
語文 | 中文(Chinese) |
中文摘要 | 本研究設計是以白金線或鎢線探針穿入電漿產生室內部,以靜電式量測電漿中的 電子溫度、電子流束。以此量測操作時,操作室內的電漿離子化密度、均勻性與隨時間變化 的穩定度等相關資訊。利用量測所得的電漿狀態這些數據,可調整各項電漿製程的操作參數 ,使非穩定低溫電漿的產生保持在可控制的狀況。實驗結果顯示:本設計對電子溫度 (或將 之推算為電漿密度 ) 之量測,藉由 F.F.Chen 與 Bohm 的計算模式, 對大面積的陣列天線 式微波電漿系統之電子密度的估算約達 10�e cm�笐� 以上 (N�砟� O�笆q漿 ):對較大型加極板的高 周波密度則推測在 10�壢m�笐艦H上。結果與一般理論值在合理的差距範圍。 本裝置除了提供使 用者監測電漿反應器內的電漿狀態外,也有利於作為電漿相關製程之改良或修正的參考。 |
英文摘要 | Current design utilizes a Pt or W probe penetrated through the plasma reactive chamber and measures statically the state of electron flow to monitor the electron (or ion) density, uniformity and stability of generated plasma. The data can provide information to adjust the various parameters in operation and to mantain its state in a controllable condition. The result has demonstrated a reproducible approach to a theoretical value on the measurement of electron temperature, referred to as plasma density). Using the calculation models from Chen and Bohm, a 3-A antenna array microwave plasma produces an electron density of ca. 10 �翩� 10 �e cm �笐� (for N �� and O �� plasma), compared with Radio-frequency plasma discharge (with electrode) of ca. 10 �間� 10 �� cm �笐�. The result has good agreement with most of theoretical calculations. This device not only provides an approach to trace plasma states, but also a basis for improving and adjusting the plasma-related process. |
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