研究生: |
謝維仁 Wei Jen Hsieh |
---|---|
論文名稱: |
電漿離子佈植及無電鍍系統應用於超大型積體電路之銅製程研究 A study of copper process in ultra large scale integrated circuit using plasma immersion ion implantation and electroless copper system |
指導教授: |
施漢章
Han C. Shih |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 材料科學工程學系 Materials Science and Engineering |
論文出版年: | 2001 |
畢業學年度: | 89 |
語文別: | 中文 |
論文頁數: | 96 |
中文關鍵詞: | 無電鍍銅 、電漿離子佈植 、銅金屬化 、積體電路 、擴散阻障層 |
外文關鍵詞: | electroless copper, plasma immersion ion implantation, copper metallization, ultra large scale intergrated circuit, diffusion barrier layer |
相關次數: | 點閱:4 下載:0 |
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本實驗旨在研究利用電漿離子佈植和無電鍍銅系統鍍至銅膜。首先利用電漿離子佈植系統佈植催化層,如:Pd、Cu……等等。以取代傳統鍍製溶液置換還原法,因電漿離子佈植可大面積且均勻性地佈植催化物且可增加銅膜的附著性……等等多項優點,利用其特性來佈植所需的物質,本實驗先後比較改變電漿離子佈植參數以至影響到所鍍至的銅膜,並且去做退火處理,分別各個影響因子做探討,並研究出一套銅膜的成長機制,利用各種分析工具加以佐證,並且分析銅膜與TaN擴散阻障層相互之間的關係,隨退火溫度上升已造成均質的TaN層形成晶格化的TaN層提供晶界擴散,並造成銅膜電阻率上升。在銅膜填充能力最好可達深寬比(aspect ratio)=1:7,並顯示出無電鍍法有良好的銅膜披覆性,這些特性及性質將在本實驗中將做詳細的探討。
in the experiment,our purpose was to grow copper thin films using plasma immersion ion implantation and electroless copper systems.First,we implanted catalyst layer ,such as Pd,Cu etc,
using plasma immersion ion implantation in large areas uniformly to enhance adhesion.In the experiments,according to the results of changing different parameters and annealing at different temperature to influence Cu thin films properties,
define the correct Cu growth mechanism.Analyze the relation between Cu thin films and TaN layer using different kinds of analysis tools,such as AES,XRD etc.The best gap filling can fill the trenches and vias which aspect ratio is 1:7 and reveal good step coverage.
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