Study on chemical mechanical ultra precision process technology of Aluminum Interconnected Line for ULSI
The chemical mechanical polishing ultra precision process technology mechanism of Aluminum Interconnected Line for ULSI was analyzed according the physical and chemical properties of Aluminum.In order to meet the request of environmental protection and reducing ion staining,the alkaline slurry was adopted.The selection reason of pH value regulator and surfactant was discussed,and their actions during polishing were analyzed.According to the experimental results and optimal technological parameters,the higher removal rate and lower surface roughness were gotten,which were 390nm/min and 0.47nm respectively.
ULSI Aluminum interconnection line Chemical mechanical polishing
Niu Xin Huan Wang Juan Sun ming Tan Baimei Gao Baohong
Institute of Microelectronics,Hebei University of Technology,Tianjin,300130,China
国际会议
沈阳
英文
1491-1494
2012-09-26(万方平台首次上网日期,不代表论文的发表时间)