研究生: |
邱丞偉 Cheng-Wei Chiu |
---|---|
論文名稱: |
固定磨粒拋光墊修整技術之研究 A Study of The Fixed Abrasive Pad Conditioning |
指導教授: |
左培倫
Pei-Lum Tso |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 動力機械工程學系 Department of Power Mechanical Engineering |
論文出版年: | 2003 |
畢業學年度: | 91 |
語文別: | 中文 |
論文頁數: | 81 |
中文關鍵詞: | 固定磨粒 、拋光墊 、修整 、鑽石修整器 |
外文關鍵詞: | fixed abrasive, pad, dress, diamond dresser |
相關次數: | 點閱:2 下載:0 |
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化學機械拋光,是目前半導體製程中達全域平坦化最有效的方式,同時也是許多製程中不可缺少的步驟。而拋光墊為化學機械拋光中一項主要耗材,如能延長拋光墊的壽命,將可降低成本,提高製程穩定性。
又使用固定磨粒為近年拋光墊的趨勢,故本論文主要目的即在研究固定磨粒拋光墊之修整技術,藉以延長其壽命。使用鍍上0.3μm厚的奈米鑽石圓形試片作為修整器,對固定磨粒拋光墊進行修整。發現利用奈米鑽石修整器可對固定磨粒拋光墊進行修整。最後,藉由經驗公式的導入與實驗結果相互對照,證實修整器表面粗度值與修整率成線性增加的關係。
Chemical mechanical polishing (CMP) is the most effective method to achieve global planarization in semiconductor industry. The polishing pad is one of the primary consumables in CMP. Extending the life of polishing pad can reduce cost of consumables and improve process stability.
The purpose of this thesis is to study the method of dressing a fixed abrasive pad to prolong its life. The fixed abrasive pad is dressed by a round slice that is coated diamond-like carbon about 0.3μm. We have found that using the nano-diamond dresser can dress the fixed abrasive pad. Compared the formula with the result of experiment, we can verify the dressing rate is linearly increasing with the variation of the surface roughness of dresser.
參考資料
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