Manufacturing method of a glass substrate for a magnetic disk
作者： Yasunari Hirano , Tomoyuki Yamaguchi , Takuhiro Hirakawa , Kouichi Tamoto
DOI:
关键词: Metal 、 Chemical engineering 、 Surface finish 、 Substrate (printing) 、 Materials science 、 Metallurgy 、 Aqueous solution
摘要: An object of the invention is to remove effectively metallic contaminants adhering glass substrate surfaces without increasing roughness in for a magnetic disk. In manufacturing method disk having cleaning step substrate, comprising treatment contacting with an alkaline aqueous solution gluconate concentration not less than 0.05 wt % and more 2 added thereto pH 9 11 appended.
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