Analyses of CMP Mechanism of NiP Substrate of Computer Hard-disk with Alkali Slurry
In this paper, the chemical character of NiP substrate of computer disk is analyzed, the CMP kinetics processing is discussed to indicate that the chemical reaction is the slowest and the control process. By analyzing essentiality of slurry on NiP film CMP, it is indicated that the chemical component of slurry acts the important role in CMP. New type of alkali slurry for NiP substrate was prepared and its CMP mechanism is studied with alkali slurry. Strong complexation of complex agent improved selectivity of concave area and convex area to get higher removal rate. Low roughness is realized with small size and low hardness silica sol as abrasive.
Hard-disk Substrate Alkali CMP Slurry Mechnism Removal rate Roughness
Baimei Tan Xinhuan Niu Na Bian Huanhuan Zhou Yuling Liu
Institute of Microelectronics,Hebei University of Technology,Tianjin,China
国际会议
2010 International Conference on Material and Manufacturing Technology(2010材料与制造技术国际会议 ICMMT2010)
重庆
英文
580-583
2010-09-17(万方平台首次上网日期,不代表论文的发表时间)